diff options
Diffstat (limited to 'net')
163 files changed, 1834 insertions, 1823 deletions
diff --git a/net/9p/error.c b/net/9p/error.c index 2ab2de7..126fd0d 100644 --- a/net/9p/error.c +++ b/net/9p/error.c @@ -221,15 +221,13 @@ EXPORT_SYMBOL(p9_error_init); int p9_errstr2errno(char *errstr, int len) { int errno; - struct hlist_node *p; struct errormap *c; int bucket; errno = 0; - p = NULL; c = NULL; bucket = jhash(errstr, len, 0) % ERRHASHSZ; - hlist_for_each_entry(c, p, &hash_errmap[bucket], list) { + hlist_for_each_entry(c, &hash_errmap[bucket], list) { if (c->namelen == len && !memcmp(c->name, errstr, len)) { errno = c->val; break; diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c index de2e950..74dea37 100644 --- a/net/9p/trans_virtio.c +++ b/net/9p/trans_virtio.c @@ -655,7 +655,7 @@ static struct p9_trans_module p9_virtio_trans = { .create = p9_virtio_create, .close = p9_virtio_close, .request = p9_virtio_request, - .zc_request = p9_virtio_zc_request, + //.zc_request = p9_virtio_zc_request, .cancel = p9_virtio_cancel, /* * We leave one entry for input and one entry for response diff --git a/net/9p/util.c b/net/9p/util.c index 6ceeeb3..59f278e 100644 --- a/net/9p/util.c +++ b/net/9p/util.c @@ -87,23 +87,18 @@ EXPORT_SYMBOL(p9_idpool_destroy); int p9_idpool_get(struct p9_idpool *p) { - int i = 0; - int error; + int i; unsigned long flags; -retry: - if (idr_pre_get(&p->pool, GFP_NOFS) == 0) - return -1; - + idr_preload(GFP_NOFS); spin_lock_irqsave(&p->lock, flags); /* no need to store exactly p, we just need something non-null */ - error = idr_get_new(&p->pool, p, &i); - spin_unlock_irqrestore(&p->lock, flags); + i = idr_alloc(&p->pool, p, 0, 0, GFP_NOWAIT); - if (error == -EAGAIN) - goto retry; - else if (error) + spin_unlock_irqrestore(&p->lock, flags); + idr_preload_end(); + if (i < 0) return -1; p9_debug(P9_DEBUG_MUX, " id %d pool %p\n", i, p); diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c index 3347529..4a141e3 100644 --- a/net/appletalk/ddp.c +++ b/net/appletalk/ddp.c @@ -93,10 +93,9 @@ static struct sock *atalk_search_socket(struct sockaddr_at *to, struct atalk_iface *atif) { struct sock *s; - struct hlist_node *node; read_lock_bh(&atalk_sockets_lock); - sk_for_each(s, node, &atalk_sockets) { + sk_for_each(s, &atalk_sockets) { struct atalk_sock *at = at_sk(s); if (to->sat_port != at->src_port) @@ -141,11 +140,10 @@ static struct sock *atalk_find_or_insert_socket(struct sock *sk, struct sockaddr_at *sat) { struct sock *s; - struct hlist_node *node; struct atalk_sock *at; write_lock_bh(&atalk_sockets_lock); - sk_for_each(s, node, &atalk_sockets) { + sk_for_each(s, &atalk_sockets) { at = at_sk(s); if (at->src_net == sat->sat_addr.s_net && @@ -1084,9 +1082,8 @@ static int atalk_pick_and_bind_port(struct sock *sk, struct sockaddr_at *sat) sat->sat_port < ATPORT_LAST; sat->sat_port++) { struct sock *s; - struct hlist_node *node; - sk_for_each(s, node, &atalk_sockets) { + sk_for_each(s, &atalk_sockets) { struct atalk_sock *at = at_sk(s); if (at->src_net == sat->sat_addr.s_net && diff --git a/net/atm/common.c b/net/atm/common.c index 806fc0a..7b49100 100644 --- a/net/atm/common.c +++ b/net/atm/common.c @@ -270,11 +270,11 @@ void atm_dev_release_vccs(struct atm_dev *dev) write_lock_irq(&vcc_sklist_lock); for (i = 0; i < VCC_HTABLE_SIZE; i++) { struct hlist_head *head = &vcc_hash[i]; - struct hlist_node *node, *tmp; + struct hlist_node *tmp; struct sock *s; struct atm_vcc *vcc; - sk_for_each_safe(s, node, tmp, head) { + sk_for_each_safe(s, tmp, head) { vcc = atm_sk(s); if (vcc->dev == dev) { vcc_release_async(vcc, -EPIPE); @@ -317,11 +317,10 @@ static int adjust_tp(struct atm_trafprm *tp, unsigned char aal) static int check_ci(const struct atm_vcc *vcc, short vpi, int vci) { struct hlist_head *head = &vcc_hash[vci & (VCC_HTABLE_SIZE - 1)]; - struct hlist_node *node; struct sock *s; struct atm_vcc *walk; - sk_for_each(s, node, head) { + sk_for_each(s, head) { walk = atm_sk(s); if (walk->dev != vcc->dev) continue; diff --git a/net/atm/lec.c b/net/atm/lec.c index 2e3d942..f23916b 100644 --- a/net/atm/lec.c +++ b/net/atm/lec.c @@ -842,7 +842,9 @@ static void *lec_tbl_walk(struct lec_state *state, struct hlist_head *tbl, --*l; } - hlist_for_each_entry_from(tmp, e, next) { + tmp = container_of(e, struct lec_arp_table, next); + + hlist_for_each_entry_from(tmp, next) { if (--*l < 0) break; } @@ -1307,7 +1309,6 @@ lec_arp_add(struct lec_priv *priv, struct lec_arp_table *entry) static int lec_arp_remove(struct lec_priv *priv, struct lec_arp_table *to_remove) { - struct hlist_node *node; struct lec_arp_table *entry; int i, remove_vcc = 1; @@ -1326,7 +1327,7 @@ lec_arp_remove(struct lec_priv *priv, struct lec_arp_table *to_remove) * ESI_FLUSH_PENDING, ESI_FORWARD_DIRECT */ for (i = 0; i < LEC_ARP_TABLE_SIZE; i++) { - hlist_for_each_entry(entry, node, + hlist_for_each_entry(entry, &priv->lec_arp_tables[i], next) { if (memcmp(to_remove->atm_addr, entry->atm_addr, ATM_ESA_LEN) == 0) { @@ -1364,14 +1365,13 @@ static const char *get_status_string(unsigned char st) static void dump_arp_table(struct lec_priv *priv) { - struct hlist_node *node; struct lec_arp_table *rulla; char buf[256]; int i, j, offset; pr_info("Dump %p:\n", priv); for (i = 0; i < LEC_ARP_TABLE_SIZE; i++) { - hlist_for_each_entry(rulla, node, + hlist_for_each_entry(rulla, &priv->lec_arp_tables[i], next) { offset = 0; offset += sprintf(buf, "%d: %p\n", i, rulla); @@ -1403,7 +1403,7 @@ static void dump_arp_table(struct lec_priv *priv) if (!hlist_empty(&priv->lec_no_forward)) pr_info("No forward\n"); - hlist_for_each_entry(rulla, node, &priv->lec_no_forward, next) { + hlist_for_each_entry(rulla, &priv->lec_no_forward, next) { offset = 0; offset += sprintf(buf + offset, "Mac: %pM", rulla->mac_addr); offset += sprintf(buf + offset, " Atm:"); @@ -1428,7 +1428,7 @@ static void dump_arp_table(struct lec_priv *priv) if (!hlist_empty(&priv->lec_arp_empty_ones)) pr_info("Empty ones\n"); - hlist_for_each_entry(rulla, node, &priv->lec_arp_empty_ones, next) { + hlist_for_each_entry(rulla, &priv->lec_arp_empty_ones, next) { offset = 0; offset += sprintf(buf + offset, "Mac: %pM", rulla->mac_addr); offset += sprintf(buf + offset, " Atm:"); @@ -1453,7 +1453,7 @@ static void dump_arp_table(struct lec_priv *priv) if (!hlist_empty(&priv->mcast_fwds)) pr_info("Multicast Forward VCCs\n"); - hlist_for_each_entry(rulla, node, &priv->mcast_fwds, next) { + hlist_for_each_entry(rulla, &priv->mcast_fwds, next) { offset = 0; offset += sprintf(buf + offset, "Mac: %pM", rulla->mac_addr); offset += sprintf(buf + offset, " Atm:"); @@ -1487,7 +1487,7 @@ static void dump_arp_table(struct lec_priv *priv) static void lec_arp_destroy(struct lec_priv *priv) { unsigned long flags; - struct hlist_node *node, *next; + struct hlist_node *next; struct lec_arp_table *entry; int i; @@ -1499,7 +1499,7 @@ static void lec_arp_destroy(struct lec_priv *priv) spin_lock_irqsave(&priv->lec_arp_lock, flags); for (i = 0; i < LEC_ARP_TABLE_SIZE; i++) { - hlist_for_each_entry_safe(entry, node, next, + hlist_for_each_entry_safe(entry, next, &priv->lec_arp_tables[i], next) { lec_arp_remove(priv, entry); lec_arp_put(entry); @@ -1507,7 +1507,7 @@ static void lec_arp_destroy(struct lec_priv *priv) INIT_HLIST_HEAD(&priv->lec_arp_tables[i]); } - hlist_for_each_entry_safe(entry, node, next, + hlist_for_each_entry_safe(entry, next, &priv->lec_arp_empty_ones, next) { del_timer_sync(&entry->timer); lec_arp_clear_vccs(entry); @@ -1516,7 +1516,7 @@ static void lec_arp_destroy(struct lec_priv *priv) } INIT_HLIST_HEAD(&priv->lec_arp_empty_ones); - hlist_for_each_entry_safe(entry, node, next, + hlist_for_each_entry_safe(entry, next, &priv->lec_no_forward, next) { del_timer_sync(&entry->timer); lec_arp_clear_vccs(entry); @@ -1525,7 +1525,7 @@ static void lec_arp_destroy(struct lec_priv *priv) } INIT_HLIST_HEAD(&priv->lec_no_forward); - hlist_for_each_entry_safe(entry, node, next, &priv->mcast_fwds, next) { + hlist_for_each_entry_safe(entry, next, &priv->mcast_fwds, next) { /* No timer, LANEv2 7.1.20 and 2.3.5.3 */ lec_arp_clear_vccs(entry); hlist_del(&entry->next); @@ -1542,14 +1542,13 @@ static void lec_arp_destroy(struct lec_priv *priv) static struct lec_arp_table *lec_arp_find(struct lec_priv *priv, const unsigned char *mac_addr) { - struct hlist_node *node; struct hlist_head *head; struct lec_arp_table *entry; pr_debug("%pM\n", mac_addr); head = &priv->lec_arp_tables[HASH(mac_addr[ETH_ALEN - 1])]; - hlist_for_each_entry(entry, node, head, next) { + hlist_for_each_entry(entry, head, next) { if (ether_addr_equal(mac_addr, entry->mac_addr)) return entry; } @@ -1686,7 +1685,7 @@ static void lec_arp_check_expire(struct work_struct *work) unsigned long flags; struct lec_priv *priv = container_of(work, struct lec_priv, lec_arp_work.work); - struct hlist_node *node, *next; + struct hlist_node *next; struct lec_arp_table *entry; unsigned long now; int i; @@ -1696,7 +1695,7 @@ static void lec_arp_check_expire(struct work_struct *work) restart: spin_lock_irqsave(&priv->lec_arp_lock, flags); for (i = 0; i < LEC_ARP_TABLE_SIZE; i++) { - hlist_for_each_entry_safe(entry, node, next, + hlist_for_each_entry_safe(entry, next, &priv->lec_arp_tables[i], next) { if (__lec_arp_check_expire(entry, now, priv)) { struct sk_buff *skb; @@ -1823,14 +1822,14 @@ lec_addr_delete(struct lec_priv *priv, const unsigned char *atm_addr, unsigned long permanent) { unsigned long flags; - struct hlist_node *node, *next; + struct hlist_node *next; struct lec_arp_table *entry; int i; pr_debug("\n"); spin_lock_irqsave(&priv->lec_arp_lock, flags); for (i = 0; i < LEC_ARP_TABLE_SIZE; i++) { - hlist_for_each_entry_safe(entry, node, next, + hlist_for_each_entry_safe(entry, next, &priv->lec_arp_tables[i], next) { if (!memcmp(atm_addr, entry->atm_addr, ATM_ESA_LEN) && (permanent || @@ -1855,7 +1854,7 @@ lec_arp_update(struct lec_priv *priv, const unsigned char *mac_addr, unsigned int targetless_le_arp) { unsigned long flags; - struct hlist_node *node, *next; + struct hlist_node *next; struct lec_arp_table *entry, *tmp; int i; @@ -1870,7 +1869,7 @@ lec_arp_update(struct lec_priv *priv, const unsigned char *mac_addr, * we have no entry in the cache. 7.1.30 */ if (!hlist_empty(&priv->lec_arp_empty_ones)) { - hlist_for_each_entry_safe(entry, node, next, + hlist_for_each_entry_safe(entry, next, &priv->lec_arp_empty_ones, next) { if (memcmp(entry->atm_addr, atm_addr, ATM_ESA_LEN) == 0) { hlist_del(&entry->next); @@ -1915,7 +1914,7 @@ lec_arp_update(struct lec_priv *priv, const unsigned char *mac_addr, memcpy(entry->atm_addr, atm_addr, ATM_ESA_LEN); del_timer(&entry->timer); for (i = 0; i < LEC_ARP_TABLE_SIZE; i++) { - hlist_for_each_entry(tmp, node, + hlist_for_each_entry(tmp, &priv->lec_arp_tables[i], next) { if (entry != tmp && !memcmp(tmp->atm_addr, atm_addr, ATM_ESA_LEN)) { @@ -1956,7 +1955,6 @@ lec_vcc_added(struct lec_priv *priv, const struct atmlec_ioc *ioc_data, void (*old_push) (struct atm_vcc *vcc, struct sk_buff *skb)) { unsigned long flags; - struct hlist_node *node; struct lec_arp_table *entry; int i, found_entry = 0; @@ -2026,7 +2024,7 @@ lec_vcc_added(struct lec_priv *priv, const struct atmlec_ioc *ioc_data, ioc_data->atm_addr[16], ioc_data->atm_addr[17], ioc_data->atm_addr[18], ioc_data->atm_addr[19]); for (i = 0; i < LEC_ARP_TABLE_SIZE; i++) { - hlist_for_each_entry(entry, node, + hlist_for_each_entry(entry, &priv->lec_arp_tables[i], next) { if (memcmp (ioc_data->atm_addr, entry->atm_addr, @@ -2103,7 +2101,6 @@ out: static void lec_flush_complete(struct lec_priv *priv, unsigned long tran_id) { unsigned long flags; - struct hlist_node *node; struct lec_arp_table *entry; int i; @@ -2111,7 +2108,7 @@ static void lec_flush_complete(struct lec_priv *priv, unsigned long tran_id) restart: spin_lock_irqsave(&priv->lec_arp_lock, flags); for (i = 0; i < LEC_ARP_TABLE_SIZE; i++) { - hlist_for_each_entry(entry, node, + hlist_for_each_entry(entry, &priv->lec_arp_tables[i], next) { if (entry->flush_tran_id == tran_id && entry->status == ESI_FLUSH_PENDING) { @@ -2140,13 +2137,12 @@ lec_set_flush_tran_id(struct lec_priv *priv, const unsigned char *atm_addr, unsigned long tran_id) { unsigned long flags; - struct hlist_node *node; struct lec_arp_table *entry; int i; spin_lock_irqsave(&priv->lec_arp_lock, flags); for (i = 0; i < LEC_ARP_TABLE_SIZE; i++) - hlist_for_each_entry(entry, node, + hlist_for_each_entry(entry, &priv->lec_arp_tables[i], next) { if (!memcmp(atm_addr, entry->atm_addr, ATM_ESA_LEN)) { entry->flush_tran_id = tran_id; @@ -2198,7 +2194,7 @@ out: static void lec_vcc_close(struct lec_priv *priv, struct atm_vcc *vcc) { unsigned long flags; - struct hlist_node *node, *next; + struct hlist_node *next; struct lec_arp_table *entry; int i; @@ -2208,7 +2204,7 @@ static void lec_vcc_close(struct lec_priv *priv, struct atm_vcc *vcc) spin_lock_irqsave(&priv->lec_arp_lock, flags); for (i = 0; i < LEC_ARP_TABLE_SIZE; i++) { - hlist_for_each_entry_safe(entry, node, next, + hlist_for_each_entry_safe(entry, next, &priv->lec_arp_tables[i], next) { if (vcc == entry->vcc) { lec_arp_remove(priv, entry); @@ -2219,7 +2215,7 @@ static void lec_vcc_close(struct lec_priv *priv, struct atm_vcc *vcc) } } - hlist_for_each_entry_safe(entry, node, next, + hlist_for_each_entry_safe(entry, next, &priv->lec_arp_empty_ones, next) { if (entry->vcc == vcc) { lec_arp_clear_vccs(entry); @@ -2229,7 +2225,7 @@ static void lec_vcc_close(struct lec_priv *priv, struct atm_vcc *vcc) } } - hlist_for_each_entry_safe(entry, node, next, + hlist_for_each_entry_safe(entry, next, &priv->lec_no_forward, next) { if (entry->recv_vcc == vcc) { lec_arp_clear_vccs(entry); @@ -2239,7 +2235,7 @@ static void lec_vcc_close(struct lec_priv *priv, struct atm_vcc *vcc) } } - hlist_for_each_entry_safe(entry, node, next, &priv->mcast_fwds, next) { + hlist_for_each_entry_safe(entry, next, &priv->mcast_fwds, next) { if (entry->recv_vcc == vcc) { lec_arp_clear_vccs(entry); /* No timer, LANEv2 7.1.20 and 2.3.5.3 */ @@ -2257,13 +2253,13 @@ lec_arp_check_empties(struct lec_priv *priv, struct atm_vcc *vcc, struct sk_buff *skb) { unsigned long flags; - struct hlist_node *node, *next; + struct hlist_node *next; struct lec_arp_table *entry, *tmp; struct lecdatahdr_8023 *hdr = (struct lecdatahdr_8023 *)skb->data; unsigned char *src = hdr->h_source; spin_lock_irqsave(&priv->lec_arp_lock, flags); - hlist_for_each_entry_safe(entry, node, next, + hlist_for_each_entry_safe(entry, next, &priv->lec_arp_empty_ones, next) { if (vcc == entry->vcc) { del_timer(&entry->timer); diff --git a/net/atm/proc.c b/net/atm/proc.c index b4e7534..6ac35ff 100644 --- a/net/atm/proc.c +++ b/net/atm/proc.c @@ -385,7 +385,7 @@ static ssize_t proc_dev_atm_read(struct file *file, char __user *buf, page = get_zeroed_page(GFP_KERNEL); if (!page) return -ENOMEM; - dev = PDE(file->f_path.dentry->d_inode)->data; + dev = PDE(file_inode(file))->data; if (!dev->ops->proc_read) length = -EINVAL; else { diff --git a/net/atm/signaling.c b/net/atm/signaling.c index 86767ca..4176887 100644 --- a/net/atm/signaling.c +++ b/net/atm/signaling.c @@ -217,7 +217,6 @@ static void purge_vcc(struct atm_vcc *vcc) static void sigd_close(struct atm_vcc *vcc) { - struct hlist_node *node; struct sock *s; int i; @@ -231,7 +230,7 @@ static void sigd_close(struct atm_vcc *vcc) for (i = 0; i < VCC_HTABLE_SIZE; ++i) { struct hlist_head *head = &vcc_hash[i]; - sk_for_each(s, node, head) { + sk_for_each(s, head) { vcc = atm_sk(s); purge_vcc(vcc); diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c index 69a06c4..7b11f8b 100644 --- a/net/ax25/af_ax25.c +++ b/net/ax25/af_ax25.c @@ -81,14 +81,13 @@ static void ax25_kill_by_device(struct net_device *dev) { ax25_dev *ax25_dev; ax25_cb *s; - struct hlist_node *node; if ((ax25_dev = ax25_dev_ax25dev(dev)) == NULL) return; spin_lock_bh(&ax25_list_lock); again: - ax25_for_each(s, node, &ax25_list) { + ax25_for_each(s, &ax25_list) { if (s->ax25_dev == ax25_dev) { s->ax25_dev = NULL; spin_unlock_bh(&ax25_list_lock); @@ -158,10 +157,9 @@ struct sock *ax25_find_listener(ax25_address *addr, int digi, struct net_device *dev, int type) { ax25_cb *s; - struct hlist_node *node; spin_lock(&ax25_list_lock); - ax25_for_each(s, node, &ax25_list) { + ax25_for_each(s, &ax25_list) { if ((s->iamdigi && !digi) || (!s->iamdigi && digi)) continue; if (s->sk && !ax25cmp(&s->source_addr, addr) && @@ -187,10 +185,9 @@ struct sock *ax25_get_socket(ax25_address *my_addr, ax25_address *dest_addr, { struct sock *sk = NULL; ax25_cb *s; - struct hlist_node *node; spin_lock(&ax25_list_lock); - ax25_for_each(s, node, &ax25_list) { + ax25_for_each(s, &ax25_list) { if (s->sk && !ax25cmp(&s->source_addr, my_addr) && !ax25cmp(&s->dest_addr, dest_addr) && s->sk->sk_type == type) { @@ -213,10 +210,9 @@ ax25_cb *ax25_find_cb(ax25_address *src_addr, ax25_address *dest_addr, ax25_digi *digi, struct net_device *dev) { ax25_cb *s; - struct hlist_node *node; spin_lock_bh(&ax25_list_lock); - ax25_for_each(s, node, &ax25_list) { + ax25_for_each(s, &ax25_list) { if (s->sk && s->sk->sk_type != SOCK_SEQPACKET) continue; if (s->ax25_dev == NULL) @@ -248,10 +244,9 @@ void ax25_send_to_raw(ax25_address *addr, struct sk_buff *skb, int proto) { ax25_cb *s; struct sk_buff *copy; - struct hlist_node *node; spin_lock(&ax25_list_lock); - ax25_for_each(s, node, &ax25_list) { + ax25_for_each(s, &ax25_list) { if (s->sk != NULL && ax25cmp(&s->source_addr, addr) == 0 && s->sk->sk_type == SOCK_RAW && s->sk->sk_protocol == proto && diff --git a/net/ax25/ax25_ds_subr.c b/net/ax25/ax25_ds_subr.c index 5ea7fd3..e05bd57 100644 --- a/net/ax25/ax25_ds_subr.c +++ b/net/ax25/ax25_ds_subr.c @@ -39,7 +39,6 @@ void ax25_ds_nr_error_recovery(ax25_cb *ax25) void ax25_ds_enquiry_response(ax25_cb *ax25) { ax25_cb *ax25o; - struct hlist_node *node; /* Please note that neither DK4EG's nor DG2FEF's * DAMA spec mention the following behaviour as seen @@ -80,7 +79,7 @@ void ax25_ds_enquiry_response(ax25_cb *ax25) ax25_ds_set_timer(ax25->ax25_dev); spin_lock(&ax25_list_lock); - ax25_for_each(ax25o, node, &ax25_list) { + ax25_for_each(ax25o, &ax25_list) { if (ax25o == ax25) continue; @@ -159,10 +158,9 @@ static int ax25_check_dama_slave(ax25_dev *ax25_dev) { ax25_cb *ax25; int res = 0; - struct hlist_node *node; spin_lock(&ax25_list_lock); - ax25_for_each(ax25, node, &ax25_list) + ax25_for_each(ax25, &ax25_list) if (ax25->ax25_dev == ax25_dev && (ax25->condition & AX25_COND_DAMA_MODE) && ax25->state > AX25_STATE_1) { res = 1; break; diff --git a/net/ax25/ax25_ds_timer.c b/net/ax25/ax25_ds_timer.c index 993c439..951cd57 100644 --- a/net/ax25/ax25_ds_timer.c +++ b/net/ax25/ax25_ds_timer.c @@ -70,7 +70,6 @@ static void ax25_ds_timeout(unsigned long arg) { ax25_dev *ax25_dev = (struct ax25_dev *) arg; ax25_cb *ax25; - struct hlist_node *node; if (ax25_dev == NULL || !ax25_dev->dama.slave) return; /* Yikes! */ @@ -81,7 +80,7 @@ static void ax25_ds_timeout(unsigned long arg) } spin_lock(&ax25_list_lock); - ax25_for_each(ax25, node, &ax25_list) { + ax25_for_each(ax25, &ax25_list) { if (ax25->ax25_dev != ax25_dev || !(ax25->condition & AX25_COND_DAMA_MODE)) continue; diff --git a/net/ax25/ax25_iface.c b/net/ax25/ax25_iface.c index 7d5f24b..7f16e8a 100644 --- a/net/ax25/ax25_iface.c +++ b/net/ax25/ax25_iface.c @@ -193,10 +193,9 @@ int ax25_listen_mine(ax25_address *callsign, struct net_device *dev) void ax25_link_failed(ax25_cb *ax25, int reason) { struct ax25_linkfail *lf; - struct hlist_node *node; spin_lock_bh(&linkfail_lock); - hlist_for_each_entry(lf, node, &ax25_linkfail_list, lf_node) + hlist_for_each_entry(lf, &ax25_linkfail_list, lf_node) lf->func(ax25, reason); spin_unlock_bh(&linkfail_lock); } diff --git a/net/ax25/ax25_uid.c b/net/ax25/ax25_uid.c index 957999e..71c4bad 100644 --- a/net/ax25/ax25_uid.c +++ b/net/ax25/ax25_uid.c @@ -54,10 +54,9 @@ EXPORT_SYMBOL(ax25_uid_policy); ax25_uid_assoc *ax25_findbyuid(kuid_t uid) { ax25_uid_assoc *ax25_uid, *res = NULL; - struct hlist_node *node; read_lock(&ax25_uid_lock); - ax25_uid_for_each(ax25_uid, node, &ax25_uid_list) { + ax25_uid_for_each(ax25_uid, &ax25_uid_list) { if (uid_eq(ax25_uid->uid, uid)) { ax25_uid_hold(ax25_uid); res = ax25_uid; @@ -74,7 +73,6 @@ EXPORT_SYMBOL(ax25_findbyuid); int ax25_uid_ioctl(int cmd, struct sockaddr_ax25 *sax) { ax25_uid_assoc *ax25_uid; - struct hlist_node *node; ax25_uid_assoc *user; unsigned long res; @@ -82,7 +80,7 @@ int ax25_uid_ioctl(int cmd, struct sockaddr_ax25 *sax) case SIOCAX25GETUID: res = -ENOENT; read_lock(&ax25_uid_lock); - ax25_uid_for_each(ax25_uid, node, &ax25_uid_list) { + ax25_uid_for_each(ax25_uid, &ax25_uid_list) { if (ax25cmp(&sax->sax25_call, &ax25_uid->call) == 0) { res = from_kuid_munged(current_user_ns(), ax25_uid->uid); break; @@ -126,7 +124,7 @@ int ax25_uid_ioctl(int cmd, struct sockaddr_ax25 *sax) ax25_uid = NULL; write_lock(&ax25_uid_lock); - ax25_uid_for_each(ax25_uid, node, &ax25_uid_list) { + ax25_uid_for_each(ax25_uid, &ax25_uid_list) { if (ax25cmp(&sax->sax25_call, &ax25_uid->call) == 0) break; } @@ -212,11 +210,10 @@ const struct file_operations ax25_uid_fops = { void __exit ax25_uid_free(void) { ax25_uid_assoc *ax25_uid; - struct hlist_node *node; write_lock(&ax25_uid_lock); again: - ax25_uid_for_each(ax25_uid, node, &ax25_uid_list) { + ax25_uid_for_each(ax25_uid, &ax25_uid_list) { hlist_del_init(&ax25_uid->uid_node); ax25_uid_put(ax25_uid); goto again; diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c index 72fe1bb..a0b253e 100644 --- a/net/batman-adv/bat_iv_ogm.c +++ b/net/batman-adv/bat_iv_ogm.c @@ -487,7 +487,6 @@ static void batadv_iv_ogm_queue_add(struct batadv_priv *bat_priv, */ struct batadv_forw_packet *forw_packet_aggr = NULL; struct batadv_forw_packet *forw_packet_pos = NULL; - struct hlist_node *tmp_node; struct batadv_ogm_packet *batadv_ogm_packet; bool direct_link; unsigned long max_aggregation_jiffies; @@ -500,7 +499,7 @@ static void batadv_iv_ogm_queue_add(struct batadv_priv *bat_priv, spin_lock_bh(&bat_priv->forw_bat_list_lock); /* own packets are not to be aggregated */ if ((atomic_read(&bat_priv->aggregated_ogms)) && (!own_packet)) { - hlist_for_each_entry(forw_packet_pos, tmp_node, + hlist_for_each_entry(forw_packet_pos, &bat_priv->forw_bat_list, list) { if (batadv_iv_ogm_can_aggregate(batadv_ogm_packet, bat_priv, packet_len, @@ -655,7 +654,6 @@ batadv_iv_ogm_orig_update(struct batadv_priv *bat_priv, struct batadv_neigh_node *neigh_node = NULL, *tmp_neigh_node = NULL; struct batadv_neigh_node *router = NULL; struct batadv_orig_node *orig_node_tmp; - struct hlist_node *node; int if_num; uint8_t sum_orig, sum_neigh; uint8_t *neigh_addr; @@ -665,7 +663,7 @@ batadv_iv_ogm_orig_update(struct batadv_priv *bat_priv, "update_originator(): Searching and updating originator entry of received packet\n"); rcu_read_lock(); - hlist_for_each_entry_rcu(tmp_neigh_node, node, + hlist_for_each_entry_rcu(tmp_neigh_node, &orig_node->neigh_list, list) { neigh_addr = tmp_neigh_node->addr; if (batadv_compare_eth(neigh_addr, ethhdr->h_source) && @@ -801,7 +799,6 @@ static int batadv_iv_ogm_calc_tq(struct batadv_orig_node *orig_node, { struct batadv_priv *bat_priv = netdev_priv(if_incoming->soft_iface); struct batadv_neigh_node *neigh_node = NULL, *tmp_neigh_node; - struct hlist_node *node; uint8_t total_count; uint8_t orig_eq_count, neigh_rq_count, neigh_rq_inv, tq_own; unsigned int neigh_rq_inv_cube, neigh_rq_max_cube; @@ -810,7 +807,7 @@ static int batadv_iv_ogm_calc_tq(struct batadv_orig_node *orig_node, /* find corresponding one hop neighbor */ rcu_read_lock(); - hlist_for_each_entry_rcu(tmp_neigh_node, node, + hlist_for_each_entry_rcu(tmp_neigh_node, &orig_neigh_node->neigh_list, list) { if (!batadv_compare_eth(tmp_neigh_node->addr, orig_neigh_node->orig)) @@ -920,7 +917,6 @@ batadv_iv_ogm_update_seqnos(const struct ethhdr *ethhdr, struct batadv_priv *bat_priv = netdev_priv(if_incoming->soft_iface); struct batadv_orig_node *orig_node; struct batadv_neigh_node *tmp_neigh_node; - struct hlist_node *node; int is_duplicate = 0; int32_t seq_diff; int need_update = 0; @@ -943,7 +939,7 @@ batadv_iv_ogm_update_seqnos(const struct ethhdr *ethhdr, goto out; rcu_read_lock(); - hlist_for_each_entry_rcu(tmp_neigh_node, node, + hlist_for_each_entry_rcu(tmp_neigh_node, &orig_node->neigh_list, list) { is_duplicate |= batadv_test_bit(tmp_neigh_node->real_bits, orig_node->last_real_seqno, diff --git a/net/batman-adv/bridge_loop_avoidance.c b/net/batman-adv/bridge_loop_avoidance.c index 30f4652..6a4f728 100644 --- a/net/batman-adv/bridge_loop_avoidance.c +++ b/net/batman-adv/bridge_loop_avoidance.c @@ -144,7 +144,6 @@ static struct batadv_bla_claim { struct batadv_hashtable *hash = bat_priv->bla.claim_hash; struct hlist_head *head; - struct hlist_node *node; struct batadv_bla_claim *claim; struct batadv_bla_claim *claim_tmp = NULL; int index; @@ -156,7 +155,7 @@ static struct batadv_bla_claim head = &hash->table[index]; rcu_read_lock(); - hlist_for_each_entry_rcu(claim, node, head, hash_entry) { + hlist_for_each_entry_rcu(claim, head, hash_entry) { if (!batadv_compare_claim(&claim->hash_entry, data)) continue; @@ -185,7 +184,6 @@ batadv_backbone_hash_find(struct batadv_priv *bat_priv, { struct batadv_hashtable *hash = bat_priv->bla.backbone_hash; struct hlist_head *head; - struct hlist_node *node; struct batadv_bla_backbone_gw search_entry, *backbone_gw; struct batadv_bla_backbone_gw *backbone_gw_tmp = NULL; int index; @@ -200,7 +198,7 @@ batadv_backbone_hash_find(struct batadv_priv *bat_priv, head = &hash->table[index]; rcu_read_lock(); - hlist_for_each_entry_rcu(backbone_gw, node, head, hash_entry) { + hlist_for_each_entry_rcu(backbone_gw, head, hash_entry) { if (!batadv_compare_backbone_gw(&backbone_gw->hash_entry, &search_entry)) continue; @@ -221,7 +219,7 @@ static void batadv_bla_del_backbone_claims(struct batadv_bla_backbone_gw *backbone_gw) { struct batadv_hashtable *hash; - struct hlist_node *node, *node_tmp; + struct hlist_node *node_tmp; struct hlist_head *head; struct batadv_bla_claim *claim; int i; @@ -236,13 +234,13 @@ batadv_bla_del_backbone_claims(struct batadv_bla_backbone_gw *backbone_gw) list_lock = &hash->list_locks[i]; spin_lock_bh(list_lock); - hlist_for_each_entry_safe(claim, node, node_tmp, + hlist_for_each_entry_safe(claim, node_tmp, head, hash_entry) { if (claim->backbone_gw != backbone_gw) continue; batadv_claim_free_ref(claim); - hlist_del_rcu(node); + hlist_del_rcu(&claim->hash_entry); } spin_unlock_bh(list_lock); } @@ -460,7 +458,6 @@ static void batadv_bla_answer_request(struct batadv_priv *bat_priv, struct batadv_hard_iface *primary_if, short vid) { - struct hlist_node *node; struct hlist_head *head; struct batadv_hashtable *hash; struct batadv_bla_claim *claim; @@ -481,7 +478,7 @@ static void batadv_bla_answer_request(struct batadv_priv *bat_priv, head = &hash->table[i]; rcu_read_lock(); - hlist_for_each_entry_rcu(claim, node, head, hash_entry) { + hlist_for_each_entry_rcu(claim, head, hash_entry) { /* only own claims are interesting */ if (claim->backbone_gw != backbone_gw) continue; @@ -958,7 +955,7 @@ static int batadv_bla_process_claim(struct batadv_priv *bat_priv, static void batadv_bla_purge_backbone_gw(struct batadv_priv *bat_priv, int now) { struct batadv_bla_backbone_gw *backbone_gw; - struct hlist_node *node, *node_tmp; + struct hlist_node *node_tmp; struct hlist_head *head; struct batadv_hashtable *hash; spinlock_t *list_lock; /* protects write access to the hash lists */ @@ -973,7 +970,7 @@ static void batadv_bla_purge_backbone_gw(struct batadv_priv *bat_priv, int now) list_lock = &hash->list_locks[i]; spin_lock_bh(list_lock); - hlist_for_each_entry_safe(backbone_gw, node, node_tmp, + hlist_for_each_entry_safe(backbone_gw, node_tmp, head, hash_entry) { if (now) goto purge_now; @@ -992,7 +989,7 @@ purge_now: batadv_bla_del_backbone_claims(backbone_gw); - hlist_del_rcu(node); + hlist_del_rcu(&backbone_gw->hash_entry); batadv_backbone_gw_free_ref(backbone_gw); } spin_unlock_bh(list_lock); @@ -1013,7 +1010,6 @@ static void batadv_bla_purge_claims(struct batadv_priv *bat_priv, int now) { struct batadv_bla_claim *claim; - struct hlist_node *node; struct hlist_head *head; struct batadv_hashtable *hash; int i; @@ -1026,7 +1022,7 @@ static void batadv_bla_purge_claims(struct batadv_priv *bat_priv, head = &hash->table[i]; rcu_read_lock(); - hlist_for_each_entry_rcu(claim, node, head, hash_entry) { + hlist_for_each_entry_rcu(claim, head, hash_entry) { if (now) goto purge_now; if (!batadv_compare_eth(claim->backbone_gw->orig, @@ -1062,7 +1058,6 @@ void batadv_bla_update_orig_address(struct batadv_priv *bat_priv, struct batadv_hard_iface *oldif) { struct batadv_bla_backbone_gw *backbone_gw; - struct hlist_node *node; struct hlist_head *head; struct batadv_hashtable *hash; __be16 group; @@ -1086,7 +1081,7 @@ void batadv_bla_update_orig_address(struct batadv_priv *bat_priv, head = &hash->table[i]; rcu_read_lock(); - hlist_for_each_entry_rcu(backbone_gw, node, head, hash_entry) { + hlist_for_each_entry_rcu(backbone_gw, head, hash_entry) { /* own orig still holds the old value. */ if (!batadv_compare_eth(backbone_gw->orig, oldif->net_dev->dev_addr)) @@ -1112,7 +1107,6 @@ static void batadv_bla_periodic_work(struct work_struct *work) struct delayed_work *delayed_work; struct batadv_priv *bat_priv; struct batadv_priv_bla *priv_bla; - struct hlist_node *node; struct hlist_head *head; struct batadv_bla_backbone_gw *backbone_gw; struct batadv_hashtable *hash; @@ -1140,7 +1134,7 @@ static void batadv_bla_periodic_work(struct work_struct *work) head = &hash->table[i]; rcu_read_lock(); - hlist_for_each_entry_rcu(backbone_gw, node, head, hash_entry) { + hlist_for_each_entry_rcu(backbone_gw, head, hash_entry) { if (!batadv_compare_eth(backbone_gw->orig, primary_if->net_dev->dev_addr)) continue; @@ -1322,7 +1316,6 @@ int batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv, uint8_t *orig) { struct batadv_hashtable *hash = bat_priv->bla.backbone_hash; struct hlist_head *head; - struct hlist_node *node; struct batadv_bla_backbone_gw *backbone_gw; int i; @@ -1336,7 +1329,7 @@ int batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv, uint8_t *orig) head = &hash->table[i]; rcu_read_lock(); - hlist_for_each_entry_rcu(backbone_gw, node, head, hash_entry) { + hlist_for_each_entry_rcu(backbone_gw, head, hash_entry) { if (batadv_compare_eth(backbone_gw->orig, orig)) { rcu_read_unlock(); return 1; @@ -1607,7 +1600,6 @@ int batadv_bla_claim_table_seq_print_text(struct seq_file *seq, void *offset) struct batadv_hashtable *hash = bat_priv->bla.claim_hash; struct batadv_bla_claim *claim; struct batadv_hard_iface *primary_if; - struct hlist_node *node; struct hlist_head *head; uint32_t i; bool is_own; @@ -1628,7 +1620,7 @@ int batadv_bla_claim_table_seq_print_text(struct seq_file *seq, void *offset) head = &hash->table[i]; rcu_read_lock(); - hlist_for_each_entry_rcu(claim, node, head, hash_entry) { + hlist_for_each_entry_rcu(claim, head, hash_entry) { is_own = batadv_compare_eth(claim->backbone_gw->orig, primary_addr); seq_printf(seq, " * %pM on % 5d by %pM [%c] (%#.4x)\n", @@ -1652,7 +1644,6 @@ int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq, void *offset) struct batadv_hashtable *hash = bat_priv->bla.backbone_hash; struct batadv_bla_backbone_gw *backbone_gw; struct batadv_hard_iface *primary_if; - struct hlist_node *node; struct hlist_head *head; int secs, msecs; uint32_t i; @@ -1674,7 +1665,7 @@ int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq, void *offset) head = &hash->table[i]; rcu_read_lock(); - hlist_for_each_entry_rcu(backbone_gw, node, head, hash_entry) { + hlist_for_each_entry_rcu(backbone_gw, head, hash_entry) { msecs = jiffies_to_msecs(jiffies - backbone_gw->lasttime); secs = msecs / 1000; diff --git a/net/batman-adv/distributed-arp-table.c b/net/batman-adv/distributed-arp-table.c index 761a590..d54188a 100644 --- a/net/batman-adv/distributed-arp-table.c +++ b/net/batman-adv/distributed-arp-table.c @@ -83,7 +83,7 @@ static void __batadv_dat_purge(struct batadv_priv *bat_priv, { spinlock_t *list_lock; /* protects write access to the hash lists */ struct batadv_dat_entry *dat_entry; - struct hlist_node *node, *node_tmp; + struct hlist_node *node_tmp; struct hlist_head *head; uint32_t i; @@ -95,7 +95,7 @@ static void __batadv_dat_purge(struct batadv_priv *bat_priv, list_lock = &bat_priv->dat.hash->list_locks[i]; spin_lock_bh(list_lock); - hlist_for_each_entry_safe(dat_entry, node, node_tmp, head, + hlist_for_each_entry_safe(dat_entry, node_tmp, head, hash_entry) { /* if an helper function has been passed as parameter, * ask it if the entry has to be purged or not @@ -103,7 +103,7 @@ static void __batadv_dat_purge(struct batadv_priv *bat_priv, if (to_purge && !to_purge(dat_entry)) continue; - hlist_del_rcu(node); + hlist_del_rcu(&dat_entry->hash_entry); batadv_dat_entry_free_ref(dat_entry); } spin_unlock_bh(list_lock); @@ -235,7 +235,6 @@ static struct batadv_dat_entry * batadv_dat_entry_hash_find(struct batadv_priv *bat_priv, __be32 ip) { struct hlist_head *head; - struct hlist_node *node; struct batadv_dat_entry *dat_entry, *dat_entry_tmp = NULL; struct batadv_hashtable *hash = bat_priv->dat.hash; uint32_t index; @@ -247,7 +246,7 @@ batadv_dat_entry_hash_find(struct batadv_priv *bat_priv, __be32 ip) head = &hash->table[index]; rcu_read_lock(); - hlist_for_each_entry_rcu(dat_entry, node, head, hash_entry) { + hlist_for_each_entry_rcu(dat_entry, head, hash_entry) { if (dat_entry->ip != ip) continue; @@ -465,7 +464,6 @@ static void batadv_choose_next_candidate(struct batadv_priv *bat_priv, batadv_dat_addr_t max = 0, tmp_max = 0; struct batadv_orig_node *orig_node, *max_orig_node = NULL; struct batadv_hashtable *hash = bat_priv->orig_hash; - struct hlist_node *node; struct hlist_head *head; int i; @@ -481,7 +479,7 @@ static void batadv_choose_next_candidate(struct batadv_priv *bat_priv, head = &hash->table[i]; rcu_read_lock(); - hlist_for_each_entry_rcu(orig_node, node, head, hash_entry) { + hlist_for_each_entry_rcu(orig_node, head, hash_entry) { /* the dht space is a ring and addresses are unsigned */ tmp_max = BATADV_DAT_ADDR_MAX - orig_node->dat_addr + ip_key; @@ -686,7 +684,6 @@ int batadv_dat_cache_seq_print_text(struct seq_file *seq, void *offset) struct batadv_hashtable *hash = bat_priv->dat.hash; struct batadv_dat_entry *dat_entry; struct batadv_hard_iface *primary_if; - struct hlist_node *node; struct hlist_head *head; unsigned long last_seen_jiffies; int last_seen_msecs, last_seen_secs, last_seen_mins; @@ -704,7 +701,7 @@ int batadv_dat_cache_seq_print_text(struct seq_file *seq, void *offset) head = &hash->table[i]; rcu_read_lock(); - hlist_for_each_entry_rcu(dat_entry, node, head, hash_entry) { + hlist_for_each_entry_rcu(dat_entry, head, hash_entry) { last_seen_jiffies = jiffies - dat_entry->last_update; last_seen_msecs = jiffies_to_msecs(last_seen_jiffies); last_seen_mins = last_seen_msecs / 60000; diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c index 074107f..34f99a4 100644 --- a/net/batman-adv/gateway_client.c +++ b/net/batman-adv/gateway_client.c @@ -114,7 +114,6 @@ static struct batadv_gw_node * batadv_gw_get_best_gw_node(struct batadv_priv *bat_priv) { struct batadv_neigh_node *router; - struct hlist_node *node; struct batadv_gw_node *gw_node, *curr_gw = NULL; uint32_t max_gw_factor = 0, tmp_gw_factor = 0; uint32_t gw_divisor; @@ -127,7 +126,7 @@ batadv_gw_get_best_gw_node(struct batadv_priv *bat_priv) gw_divisor *= 64; rcu_read_lock(); - hlist_for_each_entry_rcu(gw_node, node, &bat_priv->gw.list, list) { + hlist_for_each_entry_rcu(gw_node, &bat_priv->gw.list, list) { if (gw_node->deleted) continue; @@ -344,7 +343,6 @@ void batadv_gw_node_update(struct batadv_priv *bat_priv, struct batadv_orig_node *orig_node, uint8_t new_gwflags) { - struct hlist_node *node; struct batadv_gw_node *gw_node, *curr_gw; /* Note: We don't need a NULL check here, since curr_gw never gets @@ -355,7 +353,7 @@ void batadv_gw_node_update(struct batadv_priv *bat_priv, curr_gw = batadv_gw_get_selected_gw_node(bat_priv); rcu_read_lock(); - hlist_for_each_entry_rcu(gw_node, node, &bat_priv->gw.list, list) { + hlist_for_each_entry_rcu(gw_node, &bat_priv->gw.list, list) { if (gw_node->orig_node != orig_node) continue; @@ -403,7 +401,7 @@ void batadv_gw_node_delete(struct batadv_priv *bat_priv, void batadv_gw_node_purge(struct batadv_priv *bat_priv) { struct batadv_gw_node *gw_node, *curr_gw; - struct hlist_node *node, *node_tmp; + struct hlist_node *node_tmp; unsigned long timeout = msecs_to_jiffies(2 * BATADV_PURGE_TIMEOUT); int do_deselect = 0; @@ -411,7 +409,7 @@ void batadv_gw_node_purge(struct batadv_priv *bat_priv) spin_lock_bh(&bat_priv->gw.list_lock); - hlist_for_each_entry_safe(gw_node, node, node_tmp, + hlist_for_each_entry_safe(gw_node, node_tmp, &bat_priv->gw.list, list) { if (((!gw_node->deleted) || (time_before(jiffies, gw_node->deleted + timeout))) && @@ -476,7 +474,6 @@ int batadv_gw_client_seq_print_text(struct seq_file *seq, void *offset) struct batadv_priv *bat_priv = netdev_priv(net_dev); struct batadv_hard_iface *primary_if; struct batadv_gw_node *gw_node; - struct hlist_node *node; int gw_count = 0; primary_if = batadv_seq_print_text_primary_if_get(seq); @@ -490,7 +487,7 @@ int batadv_gw_client_seq_print_text(struct seq_file *seq, void *offset) primary_if->net_dev->dev_addr, net_dev->name); rcu_read_lock(); - hlist_for_each_entry_rcu(gw_node, node, &bat_priv->gw.list, list) { + hlist_for_each_entry_rcu(gw_node, &bat_priv->gw.list, list) { if (gw_node->deleted) continue; diff --git a/net/batman-adv/main.c b/net/batman-adv/main.c index 21fe698..0488d70 100644 --- a/net/batman-adv/main.c +++ b/net/batman-adv/main.c @@ -345,9 +345,8 @@ void batadv_recv_handler_unregister(uint8_t packet_type) static struct batadv_algo_ops *batadv_algo_get(char *name) { struct batadv_algo_ops *bat_algo_ops = NULL, *bat_algo_ops_tmp; - struct hlist_node *node; - hlist_for_each_entry(bat_algo_ops_tmp, node, &batadv_algo_list, list) { + hlist_for_each_entry(bat_algo_ops_tmp, &batadv_algo_list, list) { if (strcmp(bat_algo_ops_tmp->name, name) != 0) continue; @@ -411,11 +410,10 @@ out: int batadv_algo_seq_print_text(struct seq_file *seq, void *offset) { struct batadv_algo_ops *bat_algo_ops; - struct hlist_node *node; seq_printf(seq, "Available routing algorithms:\n"); - hlist_for_each_entry(bat_algo_ops, node, &batadv_algo_list, list) { + hlist_for_each_entry(bat_algo_ops, &batadv_algo_list, list) { seq_printf(seq, "%s\n", bat_algo_ops->name); } diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c index 457ea44..96fb80b 100644 --- a/net/batman-adv/originator.c +++ b/net/batman-adv/originator.c @@ -118,7 +118,7 @@ out: static void batadv_orig_node_free_rcu(struct rcu_head *rcu) { - struct hlist_node *node, *node_tmp; + struct hlist_node *node_tmp; struct batadv_neigh_node *neigh_node, *tmp_neigh_node; struct batadv_orig_node *orig_node; @@ -134,7 +134,7 @@ static void batadv_orig_node_free_rcu(struct rcu_head *rcu) } /* for all neighbors towards this originator ... */ - hlist_for_each_entry_safe(neigh_node, node, node_tmp, + hlist_for_each_entry_safe(neigh_node, node_tmp, &orig_node->neigh_list, list) { hlist_del_rcu(&neigh_node->list); batadv_neigh_node_free_ref(neigh_node); @@ -161,7 +161,7 @@ void batadv_orig_node_free_ref(struct batadv_orig_node *orig_node) void batadv_originator_free(struct batadv_priv *bat_priv) { struct batadv_hashtable *hash = bat_priv->orig_hash; - struct hlist_node *node, *node_tmp; + struct hlist_node *node_tmp; struct hlist_head *head; spinlock_t *list_lock; /* spinlock to protect write access */ struct batadv_orig_node *orig_node; @@ -179,9 +179,9 @@ void batadv_originator_free(struct batadv_priv *bat_priv) list_lock = &hash->list_locks[i]; spin_lock_bh(list_lock); - hlist_for_each_entry_safe(orig_node, node, node_tmp, + hlist_for_each_entry_safe(orig_node, node_tmp, head, hash_entry) { - hlist_del_rcu(node); + hlist_del_rcu(&orig_node->hash_entry); batadv_orig_node_free_ref(orig_node); } spin_unlock_bh(list_lock); @@ -274,7 +274,7 @@ batadv_purge_orig_neighbors(struct batadv_priv *bat_priv, struct batadv_orig_node *orig_node, struct batadv_neigh_node **best_neigh_node) { - struct hlist_node *node, *node_tmp; + struct hlist_node *node_tmp; struct batadv_neigh_node *neigh_node; bool neigh_purged = false; unsigned long last_seen; @@ -285,7 +285,7 @@ batadv_purge_orig_neighbors(struct batadv_priv *bat_priv, spin_lock_bh(&orig_node->neigh_list_lock); /* for all neighbors towards this originator ... */ - hlist_for_each_entry_safe(neigh_node, node, node_tmp, + hlist_for_each_entry_safe(neigh_node, node_tmp, &orig_node->neigh_list, list) { last_seen = neigh_node->last_seen; if_incoming = neigh_node->if_incoming; @@ -348,7 +348,7 @@ static bool batadv_purge_orig_node(struct batadv_priv *bat_priv, static void _batadv_purge_orig(struct batadv_priv *bat_priv) { struct batadv_hashtable *hash = bat_priv->orig_hash; - struct hlist_node *node, *node_tmp; + struct hlist_node *node_tmp; struct hlist_head *head; spinlock_t *list_lock; /* spinlock to protect write access */ struct batadv_orig_node *orig_node; @@ -363,13 +363,13 @@ static void _batadv_purge_orig(struct batadv_priv *bat_priv) list_lock = &hash->list_locks[i]; spin_lock_bh(list_lock); - hlist_for_each_entry_safe(orig_node, node, node_tmp, + hlist_for_each_entry_safe(orig_node, node_tmp, head, hash_entry) { if (batadv_purge_orig_node(bat_priv, orig_node)) { if (orig_node->gw_flags) batadv_gw_node_delete(bat_priv, orig_node); - hlist_del_rcu(node); + hlist_del_rcu(&orig_node->hash_entry); batadv_orig_node_free_ref(orig_node); continue; } @@ -408,7 +408,6 @@ int batadv_orig_seq_print_text(struct seq_file *seq, void *offset) struct net_device *net_dev = (struct net_device *)seq->private; struct batadv_priv *bat_priv = netdev_priv(net_dev); struct batadv_hashtable *hash = bat_priv->orig_hash; - struct hlist_node *node, *node_tmp; struct hlist_head *head; struct batadv_hard_iface *primary_if; struct batadv_orig_node *orig_node; @@ -434,7 +433,7 @@ int batadv_orig_seq_print_text(struct seq_file *seq, void *offset) head = &hash->table[i]; rcu_read_lock(); - hlist_for_each_entry_rcu(orig_node, node, head, hash_entry) { + hlist_for_each_entry_rcu(orig_node, head, hash_entry) { neigh_node = batadv_orig_node_get_router(orig_node); if (!neigh_node) continue; @@ -453,7 +452,7 @@ int batadv_orig_seq_print_text(struct seq_file *seq, void *offset) neigh_node->addr, neigh_node->if_incoming->net_dev->name); - hlist_for_each_entry_rcu(neigh_node_tmp, node_tmp, + hlist_for_each_entry_rcu(neigh_node_tmp, &orig_node->neigh_list, list) { seq_printf(seq, " %pM (%3i)", neigh_node_tmp->addr, @@ -511,7 +510,6 @@ int batadv_orig_hash_add_if(struct batadv_hard_iface *hard_iface, { struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface); struct batadv_hashtable *hash = bat_priv->orig_hash; - struct hlist_node *node; struct hlist_head *head; struct batadv_orig_node *orig_node; uint32_t i; @@ -524,7 +522,7 @@ int batadv_orig_hash_add_if(struct batadv_hard_iface *hard_iface, head = &hash->table[i]; rcu_read_lock(); - hlist_for_each_entry_rcu(orig_node, node, head, hash_entry) { + hlist_for_each_entry_rcu(orig_node, head, hash_entry) { spin_lock_bh(&orig_node->ogm_cnt_lock); ret = batadv_orig_node_add_if(orig_node, max_if_num); spin_unlock_bh(&orig_node->ogm_cnt_lock); @@ -595,7 +593,6 @@ int batadv_orig_hash_del_if(struct batadv_hard_iface *hard_iface, { struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface); struct batadv_hashtable *hash = bat_priv->orig_hash; - struct hlist_node *node; struct hlist_head *head; struct batadv_hard_iface *hard_iface_tmp; struct batadv_orig_node *orig_node; @@ -609,7 +606,7 @@ int batadv_orig_hash_del_if(struct batadv_hard_iface *hard_iface, head = &hash->table[i]; rcu_read_lock(); - hlist_for_each_entry_rcu(orig_node, node, head, hash_entry) { + hlist_for_each_entry_rcu(orig_node, head, hash_entry) { spin_lock_bh(&orig_node->ogm_cnt_lock); ret = batadv_orig_node_del_if(orig_node, max_if_num, hard_iface->if_num); diff --git a/net/batman-adv/originator.h b/net/batman-adv/originator.h index 286bf74..7df48fa 100644 --- a/net/batman-adv/originator.h +++ b/net/batman-adv/originator.h @@ -68,7 +68,6 @@ batadv_orig_hash_find(struct batadv_priv *bat_priv, const void *data) { struct batadv_hashtable *hash = bat_priv->orig_hash; struct hlist_head *head; - struct hlist_node *node; struct batadv_orig_node *orig_node, *orig_node_tmp = NULL; int index; @@ -79,7 +78,7 @@ batadv_orig_hash_find(struct batadv_priv *bat_priv, const void *data) head = &hash->table[index]; rcu_read_lock(); - hlist_for_each_entry_rcu(orig_node, node, head, hash_entry) { + hlist_for_each_entry_rcu(orig_node, head, hash_entry) { if (!batadv_compare_eth(orig_node, data)) continue; diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c index 60ba03f..5ee21ce 100644 --- a/net/batman-adv/routing.c +++ b/net/batman-adv/routing.c @@ -37,7 +37,6 @@ void batadv_slide_own_bcast_window(struct batadv_hard_iface *hard_iface) { struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface); struct batadv_hashtable *hash = bat_priv->orig_hash; - struct hlist_node *node; struct hlist_head *head; struct batadv_orig_node *orig_node; unsigned long *word; @@ -49,7 +48,7 @@ void batadv_slide_own_bcast_window(struct batadv_hard_iface *hard_iface) head = &hash->table[i]; rcu_read_lock(); - hlist_for_each_entry_rcu(orig_node, node, head, hash_entry) { + hlist_for_each_entry_rcu(orig_node, head, hash_entry) { spin_lock_bh(&orig_node->ogm_cnt_lock); word_index = hard_iface->if_num * BATADV_NUM_WORDS; word = &(orig_node->bcast_own[word_index]); @@ -146,7 +145,6 @@ out: void batadv_bonding_candidate_add(struct batadv_orig_node *orig_node, struct batadv_neigh_node *neigh_node) { - struct hlist_node *node; struct batadv_neigh_node *tmp_neigh_node, *router = NULL; uint8_t interference_candidate = 0; @@ -169,7 +167,7 @@ void batadv_bonding_candidate_add(struct batadv_orig_node *orig_node, * interface. If we do, we won't select this candidate because of * possible interference. */ - hlist_for_each_entry_rcu(tmp_neigh_node, node, + hlist_for_each_entry_rcu(tmp_neigh_node, &orig_node->neigh_list, list) { if (tmp_neigh_node == neigh_node) continue; diff --git a/net/batman-adv/send.c b/net/batman-adv/send.c index 80ca65f..a67cffd 100644 --- a/net/batman-adv/send.c +++ b/net/batman-adv/send.c @@ -316,7 +316,7 @@ batadv_purge_outstanding_packets(struct batadv_priv *bat_priv, const struct batadv_hard_iface *hard_iface) { struct batadv_forw_packet *forw_packet; - struct hlist_node *tmp_node, *safe_tmp_node; + struct hlist_node *safe_tmp_node; bool pending; if (hard_iface) @@ -329,7 +329,7 @@ batadv_purge_outstanding_packets(struct batadv_priv *bat_priv, /* free bcast list */ spin_lock_bh(&bat_priv->forw_bcast_list_lock); - hlist_for_each_entry_safe(forw_packet, tmp_node, safe_tmp_node, + hlist_for_each_entry_safe(forw_packet, safe_tmp_node, &bat_priv->forw_bcast_list, list) { /* if purge_outstanding_packets() was called with an argument * we delete only packets belonging to the given interface @@ -355,7 +355,7 @@ batadv_purge_outstanding_packets(struct batadv_priv *bat_priv, /* free batman packet list */ spin_lock_bh(&bat_priv->forw_bat_list_lock); - hlist_for_each_entry_safe(forw_packet, tmp_node, safe_tmp_node, + hlist_for_each_entry_safe(forw_packet, safe_tmp_node, &bat_priv->forw_bat_list, list) { /* if purge_outstanding_packets() was called with an argument * we delete only packets belonging to the given interface diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c index d44672f..98a66a0 100644 --- a/net/batman-adv/translation-table.c +++ b/net/batman-adv/translation-table.c @@ -56,7 +56,6 @@ static struct batadv_tt_common_entry * batadv_tt_hash_find(struct batadv_hashtable *hash, const void *data) { struct hlist_head *head; - struct hlist_node *node; struct batadv_tt_common_entry *tt_common_entry; struct batadv_tt_common_entry *tt_common_entry_tmp = NULL; uint32_t index; @@ -68,7 +67,7 @@ batadv_tt_hash_find(struct batadv_hashtable *hash, const void *data) head = &hash->table[index]; rcu_read_lock(); - hlist_for_each_entry_rcu(tt_common_entry, node, head, hash_entry) { + hlist_for_each_entry_rcu(tt_common_entry, head, hash_entry) { if (!batadv_compare_eth(tt_common_entry, data)) continue; @@ -257,7 +256,6 @@ void batadv_tt_local_add(struct net_device *soft_iface, const uint8_t *addr, struct batadv_tt_local_entry *tt_local; struct batadv_tt_global_entry *tt_global; struct hlist_head *head; - struct hlist_node *node; struct batadv_tt_orig_list_entry *orig_entry; int hash_added; bool roamed_back = false; @@ -339,7 +337,7 @@ check_roaming: /* These node are probably going to update their tt table */ head = &tt_global->orig_list; rcu_read_lock(); - hlist_for_each_entry_rcu(orig_entry, node, head, list) { + hlist_for_each_entry_rcu(orig_entry, head, list) { batadv_send_roam_adv(bat_priv, tt_global->common.addr, orig_entry->orig_node); } @@ -470,7 +468,6 @@ int batadv_tt_local_seq_print_text(struct seq_file *seq, void *offset) struct batadv_tt_common_entry *tt_common_entry; struct batadv_tt_local_entry *tt_local; struct batadv_hard_iface *primary_if; - struct hlist_node *node; struct hlist_head *head; uint32_t i; int last_seen_secs; @@ -494,7 +491,7 @@ int batadv_tt_local_seq_print_text(struct seq_file *seq, void *offset) head = &hash->table[i]; rcu_read_lock(); - hlist_for_each_entry_rcu(tt_common_entry, node, + hlist_for_each_entry_rcu(tt_common_entry, head, hash_entry) { tt_local = container_of(tt_common_entry, struct batadv_tt_local_entry, @@ -605,9 +602,9 @@ static void batadv_tt_local_purge_list(struct batadv_priv *bat_priv, { struct batadv_tt_local_entry *tt_local_entry; struct batadv_tt_common_entry *tt_common_entry; - struct hlist_node *node, *node_tmp; + struct hlist_node *node_tmp; - hlist_for_each_entry_safe(tt_common_entry, node, node_tmp, head, + hlist_for_each_entry_safe(tt_common_entry, node_tmp, head, hash_entry) { tt_local_entry = container_of(tt_common_entry, struct batadv_tt_local_entry, @@ -651,7 +648,7 @@ static void batadv_tt_local_table_free(struct batadv_priv *bat_priv) spinlock_t *list_lock; /* protects write access to the hash lists */ struct batadv_tt_common_entry *tt_common_entry; struct batadv_tt_local_entry *tt_local; - struct hlist_node *node, *node_tmp; + struct hlist_node *node_tmp; struct hlist_head *head; uint32_t i; @@ -665,9 +662,9 @@ static void batadv_tt_local_table_free(struct batadv_priv *bat_priv) list_lock = &hash->list_locks[i]; spin_lock_bh(list_lock); - hlist_for_each_entry_safe(tt_common_entry, node, node_tmp, + hlist_for_each_entry_safe(tt_common_entry, node_tmp, head, hash_entry) { - hlist_del_rcu(node); + hlist_del_rcu(&tt_common_entry->hash_entry); tt_local = container_of(tt_common_entry, struct batadv_tt_local_entry, common); @@ -724,11 +721,10 @@ batadv_tt_global_orig_entry_find(const struct batadv_tt_global_entry *entry, { struct batadv_tt_orig_list_entry *tmp_orig_entry, *orig_entry = NULL; const struct hlist_head *head; - struct hlist_node *node; rcu_read_lock(); head = &entry->orig_list; - hlist_for_each_entry_rcu(tmp_orig_entry, node, head, list) { + hlist_for_each_entry_rcu(tmp_orig_entry, head, list) { if (tmp_orig_entry->orig_node != orig_node) continue; if (!atomic_inc_not_zero(&tmp_orig_entry->refcount)) @@ -940,12 +936,11 @@ batadv_transtable_best_orig(struct batadv_tt_global_entry *tt_global_entry) { struct batadv_neigh_node *router = NULL; struct hlist_head *head; - struct hlist_node *node; struct batadv_tt_orig_list_entry *orig_entry, *best_entry = NULL; int best_tq = 0; head = &tt_global_entry->orig_list; - hlist_for_each_entry_rcu(orig_entry, node, head, list) { + hlist_for_each_entry_rcu(orig_entry, head, list) { router = batadv_orig_node_get_router(orig_entry->orig_node); if (!router) continue; @@ -973,7 +968,6 @@ batadv_tt_global_print_entry(struct batadv_tt_global_entry *tt_global_entry, struct seq_file *seq) { struct hlist_head *head; - struct hlist_node *node; struct batadv_tt_orig_list_entry *orig_entry, *best_entry; struct batadv_tt_common_entry *tt_common_entry; uint16_t flags; @@ -997,7 +991,7 @@ batadv_tt_global_print_entry(struct batadv_tt_global_entry *tt_global_entry, head = &tt_global_entry->orig_list; - hlist_for_each_entry_rcu(orig_entry, node, head, list) { + hlist_for_each_entry_rcu(orig_entry, head, list) { if (best_entry == orig_entry) continue; @@ -1020,7 +1014,6 @@ int batadv_tt_global_seq_print_text(struct seq_file *seq, void *offset) struct batadv_tt_common_entry *tt_common_entry; struct batadv_tt_global_entry *tt_global; struct batadv_hard_iface *primary_if; - struct hlist_node *node; struct hlist_head *head; uint32_t i; @@ -1039,7 +1032,7 @@ int batadv_tt_global_seq_print_text(struct seq_file *seq, void *offset) head = &hash->table[i]; rcu_read_lock(); - hlist_for_each_entry_rcu(tt_common_entry, node, + hlist_for_each_entry_rcu(tt_common_entry, head, hash_entry) { tt_global = container_of(tt_common_entry, struct batadv_tt_global_entry, @@ -1059,13 +1052,13 @@ static void batadv_tt_global_del_orig_list(struct batadv_tt_global_entry *tt_global_entry) { struct hlist_head *head; - struct hlist_node *node, *safe; + struct hlist_node *safe; struct batadv_tt_orig_list_entry *orig_entry; spin_lock_bh(&tt_global_entry->list_lock); head = &tt_global_entry->orig_list; - hlist_for_each_entry_safe(orig_entry, node, safe, head, list) { - hlist_del_rcu(node); + hlist_for_each_entry_safe(orig_entry, safe, head, list) { + hlist_del_rcu(&orig_entry->list); batadv_tt_orig_list_entry_free_ref(orig_entry); } spin_unlock_bh(&tt_global_entry->list_lock); @@ -1078,18 +1071,18 @@ batadv_tt_global_del_orig_entry(struct batadv_priv *bat_priv, const char *message) { struct hlist_head *head; - struct hlist_node *node, *safe; + struct hlist_node *safe; struct batadv_tt_orig_list_entry *orig_entry; spin_lock_bh(&tt_global_entry->list_lock); head = &tt_global_entry->orig_list; - hlist_for_each_entry_safe(orig_entry, node, safe, head, list) { + hlist_for_each_entry_safe(orig_entry, safe, head, list) { if (orig_entry->orig_node == orig_node) { batadv_dbg(BATADV_DBG_TT, bat_priv, "Deleting %pM from global tt entry %pM: %s\n", orig_node->orig, tt_global_entry->common.addr, message); - hlist_del_rcu(node); + hlist_del_rcu(&orig_entry->list); batadv_tt_orig_list_entry_free_ref(orig_entry); } } @@ -1108,7 +1101,6 @@ batadv_tt_global_del_roaming(struct batadv_priv *bat_priv, { bool last_entry = true; struct hlist_head *head; - struct hlist_node *node; struct batadv_tt_orig_list_entry *orig_entry; /* no local entry exists, case 1: @@ -1117,7 +1109,7 @@ batadv_tt_global_del_roaming(struct batadv_priv *bat_priv, rcu_read_lock(); head = &tt_global_entry->orig_list; - hlist_for_each_entry_rcu(orig_entry, node, head, list) { + hlist_for_each_entry_rcu(orig_entry, head, list) { if (orig_entry->orig_node != orig_node) { last_entry = false; break; @@ -1202,7 +1194,7 @@ void batadv_tt_global_del_orig(struct batadv_priv *bat_priv, struct batadv_tt_common_entry *tt_common_entry; uint32_t i; struct batadv_hashtable *hash = bat_priv->tt.global_hash; - struct hlist_node *node, *safe; + struct hlist_node *safe; struct hlist_head *head; spinlock_t *list_lock; /* protects write access to the hash lists */ @@ -1214,7 +1206,7 @@ void batadv_tt_global_del_orig(struct batadv_priv *bat_priv, list_lock = &hash->list_locks[i]; spin_lock_bh(list_lock); - hlist_for_each_entry_safe(tt_common_entry, node, safe, + hlist_for_each_entry_safe(tt_common_entry, safe, head, hash_entry) { tt_global = container_of(tt_common_entry, struct batadv_tt_global_entry, @@ -1227,7 +1219,7 @@ void batadv_tt_global_del_orig(struct batadv_priv *bat_priv, batadv_dbg(BATADV_DBG_TT, bat_priv, "Deleting global tt entry %pM: %s\n", tt_global->common.addr, message); - hlist_del_rcu(node); + hlist_del_rcu(&tt_common_entry->hash_entry); batadv_tt_global_entry_free_ref(tt_global); } } @@ -1262,7 +1254,7 @@ static void batadv_tt_global_purge(struct batadv_priv *bat_priv) { struct batadv_hashtable *hash = bat_priv->tt.global_hash; struct hlist_head *head; - struct hlist_node *node, *node_tmp; + struct hlist_node *node_tmp; spinlock_t *list_lock; /* protects write access to the hash lists */ uint32_t i; char *msg = NULL; @@ -1274,7 +1266,7 @@ static void batadv_tt_global_purge(struct batadv_priv *bat_priv) list_lock = &hash->list_locks[i]; spin_lock_bh(list_lock); - hlist_for_each_entry_safe(tt_common, node, node_tmp, head, + hlist_for_each_entry_safe(tt_common, node_tmp, head, hash_entry) { tt_global = container_of(tt_common, struct batadv_tt_global_entry, @@ -1287,7 +1279,7 @@ static void batadv_tt_global_purge(struct batadv_priv *bat_priv) "Deleting global tt entry (%pM): %s\n", tt_global->common.addr, msg); - hlist_del_rcu(node); + hlist_del_rcu(&tt_common->hash_entry); batadv_tt_global_entry_free_ref(tt_global); } @@ -1301,7 +1293,7 @@ static void batadv_tt_global_table_free(struct batadv_priv *bat_priv) spinlock_t *list_lock; /* protects write access to the hash lists */ struct batadv_tt_common_entry *tt_common_entry; struct batadv_tt_global_entry *tt_global; - struct hlist_node *node, *node_tmp; + struct hlist_node *node_tmp; struct hlist_head *head; uint32_t i; @@ -1315,9 +1307,9 @@ static void batadv_tt_global_table_free(struct batadv_priv *bat_priv) list_lock = &hash->list_locks[i]; spin_lock_bh(list_lock); - hlist_for_each_entry_safe(tt_common_entry, node, node_tmp, + hlist_for_each_entry_safe(tt_common_entry, node_tmp, head, hash_entry) { - hlist_del_rcu(node); + hlist_del_rcu(&tt_common_entry->hash_entry); tt_global = container_of(tt_common_entry, struct batadv_tt_global_entry, common); @@ -1397,7 +1389,6 @@ static uint16_t batadv_tt_global_crc(struct batadv_priv *bat_priv, struct batadv_hashtable *hash = bat_priv->tt.global_hash; struct batadv_tt_common_entry *tt_common; struct batadv_tt_global_entry *tt_global; - struct hlist_node *node; struct hlist_head *head; uint32_t i; int j; @@ -1406,7 +1397,7 @@ static uint16_t batadv_tt_global_crc(struct batadv_priv *bat_priv, head = &hash->table[i]; rcu_read_lock(); - hlist_for_each_entry_rcu(tt_common, node, head, hash_entry) { + hlist_for_each_entry_rcu(tt_common, head, hash_entry) { tt_global = container_of(tt_common, struct batadv_tt_global_entry, common); @@ -1449,7 +1440,6 @@ static uint16_t batadv_tt_local_crc(struct batadv_priv *bat_priv) uint16_t total = 0, total_one; struct batadv_hashtable *hash = bat_priv->tt.local_hash; struct batadv_tt_common_entry *tt_common; - struct hlist_node *node; struct hlist_head *head; uint32_t i; int j; @@ -1458,7 +1448,7 @@ static uint16_t batadv_tt_local_crc(struct batadv_priv *bat_priv) head = &hash->table[i]; rcu_read_lock(); - hlist_for_each_entry_rcu(tt_common, node, head, hash_entry) { + hlist_for_each_entry_rcu(tt_common, head, hash_entry) { /* not yet committed clients have not to be taken into * account while computing the CRC */ @@ -1597,7 +1587,6 @@ batadv_tt_response_fill_table(uint16_t tt_len, uint8_t ttvn, struct batadv_tt_common_entry *tt_common_entry; struct batadv_tt_query_packet *tt_response; struct batadv_tt_change *tt_change; - struct hlist_node *node; struct hlist_head *head; struct sk_buff *skb = NULL; uint16_t tt_tot, tt_count; @@ -1627,7 +1616,7 @@ batadv_tt_response_fill_table(uint16_t tt_len, uint8_t ttvn, for (i = 0; i < hash->size; i++) { head = &hash->table[i]; - hlist_for_each_entry_rcu(tt_common_entry, node, + hlist_for_each_entry_rcu(tt_common_entry, head, hash_entry) { if (tt_count == tt_tot) break; @@ -2307,7 +2296,6 @@ static uint16_t batadv_tt_set_flags(struct batadv_hashtable *hash, uint32_t i; uint16_t changed_num = 0; struct hlist_head *head; - struct hlist_node *node; struct batadv_tt_common_entry *tt_common_entry; if (!hash) @@ -2317,7 +2305,7 @@ static uint16_t batadv_tt_set_flags(struct batadv_hashtable *hash, head = &hash->table[i]; rcu_read_lock(); - hlist_for_each_entry_rcu(tt_common_entry, node, + hlist_for_each_entry_rcu(tt_common_entry, head, hash_entry) { if (enable) { if ((tt_common_entry->flags & flags) == flags) @@ -2342,7 +2330,7 @@ static void batadv_tt_local_purge_pending_clients(struct batadv_priv *bat_priv) struct batadv_hashtable *hash = bat_priv->tt.local_hash; struct batadv_tt_common_entry *tt_common; struct batadv_tt_local_entry *tt_local; - struct hlist_node *node, *node_tmp; + struct hlist_node *node_tmp; struct hlist_head *head; spinlock_t *list_lock; /* protects write access to the hash lists */ uint32_t i; @@ -2355,7 +2343,7 @@ static void batadv_tt_local_purge_pending_clients(struct batadv_priv *bat_priv) list_lock = &hash->list_locks[i]; spin_lock_bh(list_lock); - hlist_for_each_entry_safe(tt_common, node, node_tmp, head, + hlist_for_each_entry_safe(tt_common, node_tmp, head, hash_entry) { if (!(tt_common->flags & BATADV_TT_CLIENT_PENDING)) continue; @@ -2365,7 +2353,7 @@ static void batadv_tt_local_purge_pending_clients(struct batadv_priv *bat_priv) tt_common->addr); atomic_dec(&bat_priv->tt.local_entry_num); - hlist_del_rcu(node); + hlist_del_rcu(&tt_common->hash_entry); tt_local = container_of(tt_common, struct batadv_tt_local_entry, common); diff --git a/net/batman-adv/vis.c b/net/batman-adv/vis.c index 22d2785..c053244 100644 --- a/net/batman-adv/vis.c +++ b/net/batman-adv/vis.c @@ -97,7 +97,6 @@ batadv_vis_hash_find(struct batadv_priv *bat_priv, const void *data) { struct batadv_hashtable *hash = bat_priv->vis.hash; struct hlist_head *head; - struct hlist_node *node; struct batadv_vis_info *vis_info, *vis_info_tmp = NULL; uint32_t index; @@ -108,8 +107,8 @@ batadv_vis_hash_find(struct batadv_priv *bat_priv, const void *data) head = &hash->table[index]; rcu_read_lock(); - hlist_for_each_entry_rcu(vis_info, node, head, hash_entry) { - if (!batadv_vis_info_cmp(node, data)) + hlist_for_each_entry_rcu(vis_info, head, hash_entry) { + if (!batadv_vis_info_cmp(&vis_info->hash_entry, data)) continue; vis_info_tmp = vis_info; @@ -128,9 +127,8 @@ static void batadv_vis_data_insert_interface(const uint8_t *interface, bool primary) { struct batadv_vis_if_list_entry *entry; - struct hlist_node *pos; - hlist_for_each_entry(entry, pos, if_list, list) { + hlist_for_each_entry(entry, if_list, list) { if (batadv_compare_eth(entry->addr, interface)) return; } @@ -148,9 +146,8 @@ static void batadv_vis_data_read_prim_sec(struct seq_file *seq, const struct hlist_head *if_list) { struct batadv_vis_if_list_entry *entry; - struct hlist_node *pos; - hlist_for_each_entry(entry, pos, if_list, list) { + hlist_for_each_entry(entry, if_list, list) { if (entry->primary) seq_printf(seq, "PRIMARY, "); else @@ -198,9 +195,8 @@ static void batadv_vis_data_read_entries(struct seq_file *seq, { int i; struct batadv_vis_if_list_entry *entry; - struct hlist_node *pos; - hlist_for_each_entry(entry, pos, list, list) { + hlist_for_each_entry(entry, list, list) { seq_printf(seq, "%pM,", entry->addr); for (i = 0; i < packet->entries; i++) @@ -218,17 +214,16 @@ static void batadv_vis_data_read_entries(struct seq_file *seq, static void batadv_vis_seq_print_text_bucket(struct seq_file *seq, const struct hlist_head *head) { - struct hlist_node *node; struct batadv_vis_info *info; struct batadv_vis_packet *packet; uint8_t *entries_pos; struct batadv_vis_info_entry *entries; struct batadv_vis_if_list_entry *entry; - struct hlist_node *pos, *n; + struct hlist_node *n; HLIST_HEAD(vis_if_list); - hlist_for_each_entry_rcu(info, node, head, hash_entry) { + hlist_for_each_entry_rcu(info, head, hash_entry) { packet = (struct batadv_vis_packet *)info->skb_packet->data; entries_pos = (uint8_t *)packet + sizeof(*packet); entries = (struct batadv_vis_info_entry *)entries_pos; @@ -240,7 +235,7 @@ static void batadv_vis_seq_print_text_bucket(struct seq_file *seq, batadv_vis_data_read_entries(seq, &vis_if_list, packet, entries); - hlist_for_each_entry_safe(entry, pos, n, &vis_if_list, list) { + hlist_for_each_entry_safe(entry, n, &vis_if_list, list) { hlist_del(&entry->list); kfree(entry); } @@ -519,7 +514,6 @@ static int batadv_find_best_vis_server(struct batadv_priv *bat_priv, { struct batadv_hashtable *hash = bat_priv->orig_hash; struct batadv_neigh_node *router; - struct hlist_node *node; struct hlist_head *head; struct batadv_orig_node *orig_node; struct batadv_vis_packet *packet; @@ -532,7 +526,7 @@ static int batadv_find_best_vis_server(struct batadv_priv *bat_priv, head = &hash->table[i]; rcu_read_lock(); - hlist_for_each_entry_rcu(orig_node, node, head, hash_entry) { + hlist_for_each_entry_rcu(orig_node, head, hash_entry) { router = batadv_orig_node_get_router(orig_node); if (!router) continue; @@ -571,7 +565,6 @@ static bool batadv_vis_packet_full(const struct batadv_vis_info *info) static int batadv_generate_vis_packet(struct batadv_priv *bat_priv) { struct batadv_hashtable *hash = bat_priv->orig_hash; - struct hlist_node *node; struct hlist_head *head; struct batadv_orig_node *orig_node; struct batadv_neigh_node *router; @@ -605,7 +598,7 @@ static int batadv_generate_vis_packet(struct batadv_priv *bat_priv) head = &hash->table[i]; rcu_read_lock(); - hlist_for_each_entry_rcu(orig_node, node, head, hash_entry) { + hlist_for_each_entry_rcu(orig_node, head, hash_entry) { router = batadv_orig_node_get_router(orig_node); if (!router) continue; @@ -644,7 +637,7 @@ next: head = &hash->table[i]; rcu_read_lock(); - hlist_for_each_entry_rcu(tt_common_entry, node, head, + hlist_for_each_entry_rcu(tt_common_entry, head, hash_entry) { packet_pos = skb_put(info->skb_packet, sizeof(*entry)); entry = (struct batadv_vis_info_entry *)packet_pos; @@ -673,14 +666,14 @@ static void batadv_purge_vis_packets(struct batadv_priv *bat_priv) { uint32_t i; struct batadv_hashtable *hash = bat_priv->vis.hash; - struct hlist_node *node, *node_tmp; + struct hlist_node *node_tmp; struct hlist_head *head; struct batadv_vis_info *info; for (i = 0; i < hash->size; i++) { head = &hash->table[i]; - hlist_for_each_entry_safe(info, node, node_tmp, + hlist_for_each_entry_safe(info, node_tmp, head, hash_entry) { /* never purge own data. */ if (info == bat_priv->vis.my_info) @@ -688,7 +681,7 @@ static void batadv_purge_vis_packets(struct batadv_priv *bat_priv) if (batadv_has_timed_out(info->first_seen, BATADV_VIS_TIMEOUT)) { - hlist_del(node); + hlist_del(&info->hash_entry); batadv_send_list_del(info); kref_put(&info->refcount, batadv_free_info); } @@ -700,7 +693,6 @@ static void batadv_broadcast_vis_packet(struct batadv_priv *bat_priv, struct batadv_vis_info *info) { struct batadv_hashtable *hash = bat_priv->orig_hash; - struct hlist_node *node; struct hlist_head *head; struct batadv_orig_node *orig_node; struct batadv_vis_packet *packet; @@ -715,7 +707,7 @@ static void batadv_broadcast_vis_packet(struct batadv_priv *bat_priv, head = &hash->table[i]; rcu_read_lock(); - hlist_for_each_entry_rcu(orig_node, node, head, hash_entry) { + hlist_for_each_entry_rcu(orig_node, head, hash_entry) { /* if it's a vis server and reachable, send it. */ if (!(orig_node->flags & BATADV_VIS_SERVER)) continue; diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c index 07f0739..6a93614 100644 --- a/net/bluetooth/hci_sock.c +++ b/net/bluetooth/hci_sock.c @@ -70,14 +70,13 @@ static struct bt_sock_list hci_sk_list = { void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb) { struct sock *sk; - struct hlist_node *node; struct sk_buff *skb_copy = NULL; BT_DBG("hdev %p len %d", hdev, skb->len); read_lock(&hci_sk_list.lock); - sk_for_each(sk, node, &hci_sk_list.head) { + sk_for_each(sk, &hci_sk_list.head) { struct hci_filter *flt; struct sk_buff *nskb; @@ -142,13 +141,12 @@ void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb) void hci_send_to_control(struct sk_buff *skb, struct sock *skip_sk) { struct sock *sk; - struct hlist_node *node; BT_DBG("len %d", skb->len); read_lock(&hci_sk_list.lock); - sk_for_each(sk, node, &hci_sk_list.head) { + sk_for_each(sk, &hci_sk_list.head) { struct sk_buff *nskb; /* Skip the original socket */ @@ -176,7 +174,6 @@ void hci_send_to_control(struct sk_buff *skb, struct sock *skip_sk) void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb) { struct sock *sk; - struct hlist_node *node; struct sk_buff *skb_copy = NULL; __le16 opcode; @@ -210,7 +207,7 @@ void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb) read_lock(&hci_sk_list.lock); - sk_for_each(sk, node, &hci_sk_list.head) { + sk_for_each(sk, &hci_sk_list.head) { struct sk_buff *nskb; if (sk->sk_state != BT_BOUND) @@ -251,13 +248,12 @@ void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb) static void send_monitor_event(struct sk_buff *skb) { struct sock *sk; - struct hlist_node *node; BT_DBG("len %d", skb->len); read_lock(&hci_sk_list.lock); - sk_for_each(sk, node, &hci_sk_list.head) { + sk_for_each(sk, &hci_sk_list.head) { struct sk_buff *nskb; if (sk->sk_state != BT_BOUND) @@ -393,11 +389,10 @@ void hci_sock_dev_event(struct hci_dev *hdev, int event) if (event == HCI_DEV_UNREG) { struct sock *sk; - struct hlist_node *node; /* Detach sockets from device */ read_lock(&hci_sk_list.lock); - sk_for_each(sk, node, &hci_sk_list.head) { + sk_for_each(sk, &hci_sk_list.head) { bh_lock_sock_nested(sk); if (hci_pi(sk)->hdev == hdev) { hci_pi(sk)->hdev = NULL; diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c index ce3f665..c23bae8 100644 --- a/net/bluetooth/rfcomm/sock.c +++ b/net/bluetooth/rfcomm/sock.c @@ -107,15 +107,14 @@ static void rfcomm_sk_state_change(struct rfcomm_dlc *d, int err) static struct sock *__rfcomm_get_sock_by_addr(u8 channel, bdaddr_t *src) { struct sock *sk = NULL; - struct hlist_node *node; - sk_for_each(sk, node, &rfcomm_sk_list.head) { + sk_for_each(sk, &rfcomm_sk_list.head) { if (rfcomm_pi(sk)->channel == channel && !bacmp(&bt_sk(sk)->src, src)) break; } - return node ? sk : NULL; + return sk ? sk : NULL; } /* Find socket with channel and source bdaddr. @@ -124,11 +123,10 @@ static struct sock *__rfcomm_get_sock_by_addr(u8 channel, bdaddr_t *src) static struct sock *rfcomm_get_sock_by_channel(int state, u8 channel, bdaddr_t *src) { struct sock *sk = NULL, *sk1 = NULL; - struct hlist_node *node; read_lock(&rfcomm_sk_list.lock); - sk_for_each(sk, node, &rfcomm_sk_list.head) { + sk_for_each(sk, &rfcomm_sk_list.head) { if (state && sk->sk_state != state) continue; @@ -145,7 +143,7 @@ static struct sock *rfcomm_get_sock_by_channel(int state, u8 channel, bdaddr_t * read_unlock(&rfcomm_sk_list.lock); - return node ? sk : sk1; + return sk ? sk : sk1; } static void rfcomm_sock_destruct(struct sock *sk) @@ -970,11 +968,10 @@ done: static int rfcomm_sock_debugfs_show(struct seq_file *f, void *p) { struct sock *sk; - struct hlist_node *node; read_lock(&rfcomm_sk_list.lock); - sk_for_each(sk, node, &rfcomm_sk_list.head) { + sk_for_each(sk, &rfcomm_sk_list.head) { seq_printf(f, "%pMR %pMR %d %d\n", &bt_sk(sk)->src, &bt_sk(sk)->dst, sk->sk_state, rfcomm_pi(sk)->channel); diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c index b5178d6..79d87d8 100644 --- a/net/bluetooth/sco.c +++ b/net/bluetooth/sco.c @@ -259,10 +259,9 @@ drop: /* -------- Socket interface ---------- */ static struct sock *__sco_get_sock_listen_by_addr(bdaddr_t *ba) { - struct hlist_node *node; struct sock *sk; - sk_for_each(sk, node, &sco_sk_list.head) { + sk_for_each(sk, &sco_sk_list.head) { if (sk->sk_state != BT_LISTEN) continue; @@ -279,11 +278,10 @@ static struct sock *__sco_get_sock_listen_by_addr(bdaddr_t *ba) static struct sock *sco_get_sock_listen(bdaddr_t *src) { struct sock *sk = NULL, *sk1 = NULL; - struct hlist_node *node; read_lock(&sco_sk_list.lock); - sk_for_each(sk, node, &sco_sk_list.head) { + sk_for_each(sk, &sco_sk_list.head) { if (sk->sk_state != BT_LISTEN) continue; @@ -298,7 +296,7 @@ static struct sock *sco_get_sock_listen(bdaddr_t *src) read_unlock(&sco_sk_list.lock); - return node ? sk : sk1; + return sk ? sk : sk1; } static void sco_sock_destruct(struct sock *sk) @@ -951,14 +949,13 @@ static void sco_conn_ready(struct sco_conn *conn) int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags) { struct sock *sk; - struct hlist_node *node; int lm = 0; BT_DBG("hdev %s, bdaddr %pMR", hdev->name, bdaddr); /* Find listening sockets */ read_lock(&sco_sk_list.lock); - sk_for_each(sk, node, &sco_sk_list.head) { + sk_for_each(sk, &sco_sk_list.head) { if (sk->sk_state != BT_LISTEN) continue; @@ -1018,11 +1015,10 @@ drop: static int sco_debugfs_show(struct seq_file *f, void *p) { struct sock *sk; - struct hlist_node *node; read_lock(&sco_sk_list.lock); - sk_for_each(sk, node, &sco_sk_list.head) { + sk_for_each(sk, &sco_sk_list.head) { seq_printf(f, "%pMR %pMR %d\n", &bt_sk(sk)->src, &bt_sk(sk)->dst, sk->sk_state); } diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c index 8117900..b0812c9 100644 --- a/net/bridge/br_fdb.c +++ b/net/bridge/br_fdb.c @@ -181,9 +181,9 @@ void br_fdb_cleanup(unsigned long _data) spin_lock(&br->hash_lock); for (i = 0; i < BR_HASH_SIZE; i++) { struct net_bridge_fdb_entry *f; - struct hlist_node *h, *n; + struct hlist_node *n; - hlist_for_each_entry_safe(f, h, n, &br->hash[i], hlist) { + hlist_for_each_entry_safe(f, n, &br->hash[i], hlist) { unsigned long this_timer; if (f->is_static) continue; @@ -207,8 +207,8 @@ void br_fdb_flush(struct net_bridge *br) spin_lock_bh(&br->hash_lock); for (i = 0; i < BR_HASH_SIZE; i++) { struct net_bridge_fdb_entry *f; - struct hlist_node *h, *n; - hlist_for_each_entry_safe(f, h, n, &br->hash[i], hlist) { + struct hlist_node *n; + hlist_for_each_entry_safe(f, n, &br->hash[i], hlist) { if (!f->is_static) fdb_delete(br, f); } @@ -266,10 +266,9 @@ struct net_bridge_fdb_entry *__br_fdb_get(struct net_bridge *br, const unsigned char *addr, __u16 vid) { - struct hlist_node *h; struct net_bridge_fdb_entry *fdb; - hlist_for_each_entry_rcu(fdb, h, + hlist_for_each_entry_rcu(fdb, &br->hash[br_mac_hash(addr, vid)], hlist) { if (ether_addr_equal(fdb->addr.addr, addr) && fdb->vlan_id == vid) { @@ -315,14 +314,13 @@ int br_fdb_fillbuf(struct net_bridge *br, void *buf, { struct __fdb_entry *fe = buf; int i, num = 0; - struct hlist_node *h; struct net_bridge_fdb_entry *f; memset(buf, 0, maxnum*sizeof(struct __fdb_entry)); rcu_read_lock(); for (i = 0; i < BR_HASH_SIZE; i++) { - hlist_for_each_entry_rcu(f, h, &br->hash[i], hlist) { + hlist_for_each_entry_rcu(f, &br->hash[i], hlist) { if (num >= maxnum) goto out; @@ -363,10 +361,9 @@ static struct net_bridge_fdb_entry *fdb_find(struct hlist_head *head, const unsigned char *addr, __u16 vid) { - struct hlist_node *h; struct net_bridge_fdb_entry *fdb; - hlist_for_each_entry(fdb, h, head, hlist) { + hlist_for_each_entry(fdb, head, hlist) { if (ether_addr_equal(fdb->addr.addr, addr) && fdb->vlan_id == vid) return fdb; @@ -378,10 +375,9 @@ static struct net_bridge_fdb_entry *fdb_find_rcu(struct hlist_head *head, const unsigned char *addr, __u16 vid) { - struct hlist_node *h; struct net_bridge_fdb_entry *fdb; - hlist_for_each_entry_rcu(fdb, h, head, hlist) { + hlist_for_each_entry_rcu(fdb, head, hlist) { if (ether_addr_equal(fdb->addr.addr, addr) && fdb->vlan_id == vid) return fdb; @@ -593,10 +589,9 @@ int br_fdb_dump(struct sk_buff *skb, goto out; for (i = 0; i < BR_HASH_SIZE; i++) { - struct hlist_node *h; struct net_bridge_fdb_entry *f; - hlist_for_each_entry_rcu(f, h, &br->hash[i], hlist) { + hlist_for_each_entry_rcu(f, &br->hash[i], hlist) { if (idx < cb->args[0]) goto skip; diff --git a/net/bridge/br_mdb.c b/net/bridge/br_mdb.c index 38991e0..9f97b85 100644 --- a/net/bridge/br_mdb.c +++ b/net/bridge/br_mdb.c @@ -18,7 +18,6 @@ static int br_rports_fill_info(struct sk_buff *skb, struct netlink_callback *cb, { struct net_bridge *br = netdev_priv(dev); struct net_bridge_port *p; - struct hlist_node *n; struct nlattr *nest; if (!br->multicast_router || hlist_empty(&br->router_list)) @@ -28,7 +27,7 @@ static int br_rports_fill_info(struct sk_buff *skb, struct netlink_callback *cb, if (nest == NULL) return -EMSGSIZE; - hlist_for_each_entry_rcu(p, n, &br->router_list, rlist) { + hlist_for_each_entry_rcu(p, &br->router_list, rlist) { if (p && nla_put_u32(skb, MDBA_ROUTER_PORT, p->dev->ifindex)) goto fail; } @@ -61,12 +60,11 @@ static int br_mdb_fill_info(struct sk_buff *skb, struct netlink_callback *cb, return -EMSGSIZE; for (i = 0; i < mdb->max; i++) { - struct hlist_node *h; struct net_bridge_mdb_entry *mp; struct net_bridge_port_group *p, **pp; struct net_bridge_port *port; - hlist_for_each_entry_rcu(mp, h, &mdb->mhash[i], hlist[mdb->ver]) { + hlist_for_each_entry_rcu(mp, &mdb->mhash[i], hlist[mdb->ver]) { if (idx < s_idx) goto skip; diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c index 7d886b0..10e6fce 100644 --- a/net/bridge/br_multicast.c +++ b/net/bridge/br_multicast.c @@ -86,9 +86,8 @@ static struct net_bridge_mdb_entry *__br_mdb_ip_get( struct net_bridge_mdb_htable *mdb, struct br_ip *dst, int hash) { struct net_bridge_mdb_entry *mp; - struct hlist_node *p; - hlist_for_each_entry_rcu(mp, p, &mdb->mhash[hash], hlist[mdb->ver]) { + hlist_for_each_entry_rcu(mp, &mdb->mhash[hash], hlist[mdb->ver]) { if (br_ip_equal(&mp->addr, dst)) return mp; } @@ -178,13 +177,12 @@ static int br_mdb_copy(struct net_bridge_mdb_htable *new, int elasticity) { struct net_bridge_mdb_entry *mp; - struct hlist_node *p; int maxlen; int len; int i; for (i = 0; i < old->max; i++) - hlist_for_each_entry(mp, p, &old->mhash[i], hlist[old->ver]) + hlist_for_each_entry(mp, &old->mhash[i], hlist[old->ver]) hlist_add_head(&mp->hlist[new->ver], &new->mhash[br_ip_hash(new, &mp->addr)]); @@ -194,7 +192,7 @@ static int br_mdb_copy(struct net_bridge_mdb_htable *new, maxlen = 0; for (i = 0; i < new->max; i++) { len = 0; - hlist_for_each_entry(mp, p, &new->mhash[i], hlist[new->ver]) + hlist_for_each_entry(mp, &new->mhash[i], hlist[new->ver]) len++; if (len > maxlen) maxlen = len; @@ -510,14 +508,13 @@ static struct net_bridge_mdb_entry *br_multicast_get_group( { struct net_bridge_mdb_htable *mdb; struct net_bridge_mdb_entry *mp; - struct hlist_node *p; unsigned int count = 0; unsigned int max; int elasticity; int err; mdb = rcu_dereference_protected(br->mdb, 1); - hlist_for_each_entry(mp, p, &mdb->mhash[hash], hlist[mdb->ver]) { + hlist_for_each_entry(mp, &mdb->mhash[hash], hlist[mdb->ver]) { count++; if (unlikely(br_ip_equal(group, &mp->addr))) return mp; @@ -882,10 +879,10 @@ void br_multicast_disable_port(struct net_bridge_port *port) { struct net_bridge *br = port->br; struct net_bridge_port_group *pg; - struct hlist_node *p, *n; + struct hlist_node *n; spin_lock(&br->multicast_lock); - hlist_for_each_entry_safe(pg, p, n, &port->mglist, mglist) + hlist_for_each_entry_safe(pg, n, &port->mglist, mglist) br_multicast_del_pg(br, pg); if (!hlist_unhashed(&port->rlist)) @@ -1025,12 +1022,12 @@ static void br_multicast_add_router(struct net_bridge *br, struct net_bridge_port *port) { struct net_bridge_port *p; - struct hlist_node *n, *slot = NULL; + struct hlist_node *slot = NULL; - hlist_for_each_entry(p, n, &br->router_list, rlist) { + hlist_for_each_entry(p, &br->router_list, rlist) { if ((unsigned long) port >= (unsigned long) p) break; - slot = n; + slot = &p->rlist; } if (slot) @@ -1653,7 +1650,7 @@ void br_multicast_stop(struct net_bridge *br) { struct net_bridge_mdb_htable *mdb; struct net_bridge_mdb_entry *mp; - struct hlist_node *p, *n; + struct hlist_node *n; u32 ver; int i; @@ -1670,7 +1667,7 @@ void br_multicast_stop(struct net_bridge *br) ver = mdb->ver; for (i = 0; i < mdb->max; i++) { - hlist_for_each_entry_safe(mp, p, n, &mdb->mhash[i], + hlist_for_each_entry_safe(mp, n, &mdb->mhash[i], hlist[ver]) { del_timer(&mp->timer); call_rcu_bh(&mp->rcu, br_multicast_free_group); diff --git a/net/caif/caif_dev.c b/net/caif/caif_dev.c index 1ae1d9c..21760f0 100644 --- a/net/caif/caif_dev.c +++ b/net/caif/caif_dev.c @@ -118,7 +118,7 @@ static struct caif_device_entry *caif_get(struct net_device *dev) return NULL; } -void caif_flow_cb(struct sk_buff *skb) +static void caif_flow_cb(struct sk_buff *skb) { struct caif_device_entry *caifd; void (*dtor)(struct sk_buff *skb) = NULL; diff --git a/net/caif/caif_usb.c b/net/caif/caif_usb.c index 3ebc8cb..ef8ebaa 100644 --- a/net/caif/caif_usb.c +++ b/net/caif/caif_usb.c @@ -81,8 +81,8 @@ static void cfusbl_ctrlcmd(struct cflayer *layr, enum caif_ctrlcmd ctrl, layr->up->ctrlcmd(layr->up, ctrl, layr->id); } -struct cflayer *cfusbl_create(int phyid, u8 ethaddr[ETH_ALEN], - u8 braddr[ETH_ALEN]) +static struct cflayer *cfusbl_create(int phyid, u8 ethaddr[ETH_ALEN], + u8 braddr[ETH_ALEN]) { struct cfusbl *this = kmalloc(sizeof(struct cfusbl), GFP_ATOMIC); diff --git a/net/can/af_can.c b/net/can/af_can.c index ddac1ee..c48e522 100644 --- a/net/can/af_can.c +++ b/net/can/af_can.c @@ -516,7 +516,6 @@ void can_rx_unregister(struct net_device *dev, canid_t can_id, canid_t mask, { struct receiver *r = NULL; struct hlist_head *rl; - struct hlist_node *next; struct dev_rcv_lists *d; if (dev && dev->type != ARPHRD_CAN) @@ -540,7 +539,7 @@ void can_rx_unregister(struct net_device *dev, canid_t can_id, canid_t mask, * been registered before. */ - hlist_for_each_entry_rcu(r, next, rl, list) { + hlist_for_each_entry_rcu(r, rl, list) { if (r->can_id == can_id && r->mask == mask && r->func == func && r->data == data) break; @@ -552,7 +551,7 @@ void can_rx_unregister(struct net_device *dev, canid_t can_id, canid_t mask, * will be NULL, while r will point to the last item of the list. */ - if (!next) { + if (!r) { printk(KERN_ERR "BUG: receive list entry not found for " "dev %s, id %03X, mask %03X\n", DNAME(dev), can_id, mask); @@ -590,7 +589,6 @@ static inline void deliver(struct sk_buff *skb, struct receiver *r) static int can_rcv_filter(struct dev_rcv_lists *d, struct sk_buff *skb) { struct receiver *r; - struct hlist_node *n; int matches = 0; struct can_frame *cf = (struct can_frame *)skb->data; canid_t can_id = cf->can_id; @@ -600,7 +598,7 @@ static int can_rcv_filter(struct dev_rcv_lists *d, struct sk_buff *skb) if (can_id & CAN_ERR_FLAG) { /* check for error message frame entries only */ - hlist_for_each_entry_rcu(r, n, &d->rx[RX_ERR], list) { + hlist_for_each_entry_rcu(r, &d->rx[RX_ERR], list) { if (can_id & r->mask) { deliver(skb, r); matches++; @@ -610,13 +608,13 @@ static int can_rcv_filter(struct dev_rcv_lists *d, struct sk_buff *skb) } /* check for unfiltered entries */ - hlist_for_each_entry_rcu(r, n, &d->rx[RX_ALL], list) { + hlist_for_each_entry_rcu(r, &d->rx[RX_ALL], list) { deliver(skb, r); matches++; } /* check for can_id/mask entries */ - hlist_for_each_entry_rcu(r, n, &d->rx[RX_FIL], list) { + hlist_for_each_entry_rcu(r, &d->rx[RX_FIL], list) { if ((can_id & r->mask) == r->can_id) { deliver(skb, r); matches++; @@ -624,7 +622,7 @@ static int can_rcv_filter(struct dev_rcv_lists *d, struct sk_buff *skb) } /* check for inverted can_id/mask entries */ - hlist_for_each_entry_rcu(r, n, &d->rx[RX_INV], list) { + hlist_for_each_entry_rcu(r, &d->rx[RX_INV], list) { if ((can_id & r->mask) != r->can_id) { deliver(skb, r); matches++; @@ -636,7 +634,7 @@ static int can_rcv_filter(struct dev_rcv_lists *d, struct sk_buff *skb) return matches; if (can_id & CAN_EFF_FLAG) { - hlist_for_each_entry_rcu(r, n, &d->rx[RX_EFF], list) { + hlist_for_each_entry_rcu(r, &d->rx[RX_EFF], list) { if (r->can_id == can_id) { deliver(skb, r); matches++; @@ -644,7 +642,7 @@ static int can_rcv_filter(struct dev_rcv_lists *d, struct sk_buff *skb) } } else { can_id &= CAN_SFF_MASK; - hlist_for_each_entry_rcu(r, n, &d->rx_sff[can_id], list) { + hlist_for_each_entry_rcu(r, &d->rx_sff[can_id], list) { deliver(skb, r); matches++; } diff --git a/net/can/gw.c b/net/can/gw.c index c185fcd..2d117dc 100644 --- a/net/can/gw.c +++ b/net/can/gw.c @@ -457,11 +457,11 @@ static int cgw_notifier(struct notifier_block *nb, if (msg == NETDEV_UNREGISTER) { struct cgw_job *gwj = NULL; - struct hlist_node *n, *nx; + struct hlist_node *nx; ASSERT_RTNL(); - hlist_for_each_entry_safe(gwj, n, nx, &cgw_list, list) { + hlist_for_each_entry_safe(gwj, nx, &cgw_list, list) { if (gwj->src.dev == dev || gwj->dst.dev == dev) { hlist_del(&gwj->list); @@ -575,12 +575,11 @@ cancel: static int cgw_dump_jobs(struct sk_buff *skb, struct netlink_callback *cb) { struct cgw_job *gwj = NULL; - struct hlist_node *n; int idx = 0; int s_idx = cb->args[0]; rcu_read_lock(); - hlist_for_each_entry_rcu(gwj, n, &cgw_list, list) { + hlist_for_each_entry_rcu(gwj, &cgw_list, list) { if (idx < s_idx) goto cont; @@ -858,11 +857,11 @@ out: static void cgw_remove_all_jobs(void) { struct cgw_job *gwj = NULL; - struct hlist_node *n, *nx; + struct hlist_node *nx; ASSERT_RTNL(); - hlist_for_each_entry_safe(gwj, n, nx, &cgw_list, list) { + hlist_for_each_entry_safe(gwj, nx, &cgw_list, list) { hlist_del(&gwj->list); cgw_unregister_filter(gwj); kfree(gwj); @@ -872,7 +871,7 @@ static void cgw_remove_all_jobs(void) static int cgw_remove_job(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) { struct cgw_job *gwj = NULL; - struct hlist_node *n, *nx; + struct hlist_node *nx; struct rtcanmsg *r; struct cf_mod mod; struct can_can_gw ccgw; @@ -907,7 +906,7 @@ static int cgw_remove_job(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) ASSERT_RTNL(); /* remove only the first matching entry */ - hlist_for_each_entry_safe(gwj, n, nx, &cgw_list, list) { + hlist_for_each_entry_safe(gwj, nx, &cgw_list, list) { if (gwj->flags != r->flags) continue; diff --git a/net/can/proc.c b/net/can/proc.c index 4973358..1ab8c88 100644 --- a/net/can/proc.c +++ b/net/can/proc.c @@ -195,9 +195,8 @@ static void can_print_rcvlist(struct seq_file *m, struct hlist_head *rx_list, struct net_device *dev) { struct receiver *r; - struct hlist_node *n; - hlist_for_each_entry_rcu(r, n, rx_list, list) { + hlist_for_each_entry_rcu(r, rx_list, list) { char *fmt = (r->can_id & CAN_EFF_FLAG)? " %-5s %08x %08x %pK %pK %8ld %s\n" : " %-5s %03x %08x %pK %pK %8ld %s\n"; diff --git a/net/ceph/ceph_common.c b/net/ceph/ceph_common.c index 1deb29a..e65e6e4 100644 --- a/net/ceph/ceph_common.c +++ b/net/ceph/ceph_common.c @@ -28,6 +28,22 @@ #include "crypto.h" +/* + * Module compatibility interface. For now it doesn't do anything, + * but its existence signals a certain level of functionality. + * + * The data buffer is used to pass information both to and from + * libceph. The return value indicates whether libceph determines + * it is compatible with the caller (from another kernel module), + * given the provided data. + * + * The data pointer can be null. + */ +bool libceph_compatible(void *data) +{ + return true; +} +EXPORT_SYMBOL(libceph_compatible); /* * find filename portion of a path (/foo/bar/baz -> baz) @@ -590,10 +606,8 @@ static int __init init_ceph_lib(void) if (ret < 0) goto out_crypto; - pr_info("loaded (mon/osd proto %d/%d, osdmap %d/%d %d/%d)\n", - CEPH_MONC_PROTOCOL, CEPH_OSDC_PROTOCOL, - CEPH_OSDMAP_VERSION, CEPH_OSDMAP_VERSION_EXT, - CEPH_OSDMAP_INC_VERSION, CEPH_OSDMAP_INC_VERSION_EXT); + pr_info("loaded (mon/osd proto %d/%d)\n", + CEPH_MONC_PROTOCOL, CEPH_OSDC_PROTOCOL); return 0; diff --git a/net/ceph/ceph_strings.c b/net/ceph/ceph_strings.c index 3fbda04..1348df9 100644 --- a/net/ceph/ceph_strings.c +++ b/net/ceph/ceph_strings.c @@ -21,9 +21,15 @@ const char *ceph_osd_op_name(int op) switch (op) { case CEPH_OSD_OP_READ: return "read"; case CEPH_OSD_OP_STAT: return "stat"; + case CEPH_OSD_OP_MAPEXT: return "mapext"; + case CEPH_OSD_OP_SPARSE_READ: return "sparse-read"; + case CEPH_OSD_OP_NOTIFY: return "notify"; + case CEPH_OSD_OP_NOTIFY_ACK: return "notify-ack"; + case CEPH_OSD_OP_ASSERT_VER: return "assert-version"; case CEPH_OSD_OP_MASKTRUNC: return "masktrunc"; + case CEPH_OSD_OP_CREATE: return "create"; case CEPH_OSD_OP_WRITE: return "write"; case CEPH_OSD_OP_DELETE: return "delete"; case CEPH_OSD_OP_TRUNCATE: return "truncate"; @@ -39,6 +45,11 @@ const char *ceph_osd_op_name(int op) case CEPH_OSD_OP_TMAPUP: return "tmapup"; case CEPH_OSD_OP_TMAPGET: return "tmapget"; case CEPH_OSD_OP_TMAPPUT: return "tmapput"; + case CEPH_OSD_OP_WATCH: return "watch"; + + case CEPH_OSD_OP_CLONERANGE: return "clonerange"; + case CEPH_OSD_OP_ASSERT_SRC_VERSION: return "assert-src-version"; + case CEPH_OSD_OP_SRC_CMPXATTR: return "src-cmpxattr"; case CEPH_OSD_OP_GETXATTR: return "getxattr"; case CEPH_OSD_OP_GETXATTRS: return "getxattrs"; @@ -53,6 +64,10 @@ const char *ceph_osd_op_name(int op) case CEPH_OSD_OP_BALANCEREADS: return "balance-reads"; case CEPH_OSD_OP_UNBALANCEREADS: return "unbalance-reads"; case CEPH_OSD_OP_SCRUB: return "scrub"; + case CEPH_OSD_OP_SCRUB_RESERVE: return "scrub-reserve"; + case CEPH_OSD_OP_SCRUB_UNRESERVE: return "scrub-unreserve"; + case CEPH_OSD_OP_SCRUB_STOP: return "scrub-stop"; + case CEPH_OSD_OP_SCRUB_MAP: return "scrub-map"; case CEPH_OSD_OP_WRLOCK: return "wrlock"; case CEPH_OSD_OP_WRUNLOCK: return "wrunlock"; @@ -64,10 +79,34 @@ const char *ceph_osd_op_name(int op) case CEPH_OSD_OP_CALL: return "call"; case CEPH_OSD_OP_PGLS: return "pgls"; + case CEPH_OSD_OP_PGLS_FILTER: return "pgls-filter"; + case CEPH_OSD_OP_OMAPGETKEYS: return "omap-get-keys"; + case CEPH_OSD_OP_OMAPGETVALS: return "omap-get-vals"; + case CEPH_OSD_OP_OMAPGETHEADER: return "omap-get-header"; + case CEPH_OSD_OP_OMAPGETVALSBYKEYS: return "omap-get-vals-by-keys"; + case CEPH_OSD_OP_OMAPSETVALS: return "omap-set-vals"; + case CEPH_OSD_OP_OMAPSETHEADER: return "omap-set-header"; + case CEPH_OSD_OP_OMAPCLEAR: return "omap-clear"; + case CEPH_OSD_OP_OMAPRMKEYS: return "omap-rm-keys"; } return "???"; } +const char *ceph_osd_state_name(int s) +{ + switch (s) { + case CEPH_OSD_EXISTS: + return "exists"; + case CEPH_OSD_UP: + return "up"; + case CEPH_OSD_AUTOOUT: + return "autoout"; + case CEPH_OSD_NEW: + return "new"; + default: + return "???"; + } +} const char *ceph_pool_op_name(int op) { diff --git a/net/ceph/crush/mapper.c b/net/ceph/crush/mapper.c index 35fce75..cbd06a9 100644 --- a/net/ceph/crush/mapper.c +++ b/net/ceph/crush/mapper.c @@ -287,6 +287,7 @@ static int is_out(const struct crush_map *map, const __u32 *weight, int item, in * @outpos: our position in that vector * @firstn: true if choosing "first n" items, false if choosing "indep" * @recurse_to_leaf: true if we want one device under each item of given type + * @descend_once: true if we should only try one descent before giving up * @out2: second output vector for leaf items (if @recurse_to_leaf) */ static int crush_choose(const struct crush_map *map, @@ -295,7 +296,7 @@ static int crush_choose(const struct crush_map *map, int x, int numrep, int type, int *out, int outpos, int firstn, int recurse_to_leaf, - int *out2) + int descend_once, int *out2) { int rep; unsigned int ftotal, flocal; @@ -391,7 +392,7 @@ static int crush_choose(const struct crush_map *map, } reject = 0; - if (recurse_to_leaf) { + if (!collide && recurse_to_leaf) { if (item < 0) { if (crush_choose(map, map->buckets[-1-item], @@ -399,6 +400,7 @@ static int crush_choose(const struct crush_map *map, x, outpos+1, 0, out2, outpos, firstn, 0, + map->chooseleaf_descend_once, NULL) <= outpos) /* didn't get leaf */ reject = 1; @@ -422,7 +424,10 @@ reject: ftotal++; flocal++; - if (collide && flocal <= map->choose_local_tries) + if (reject && descend_once) + /* let outer call try again */ + skip_rep = 1; + else if (collide && flocal <= map->choose_local_tries) /* retry locally a few times */ retry_bucket = 1; else if (map->choose_local_fallback_tries > 0 && @@ -485,6 +490,7 @@ int crush_do_rule(const struct crush_map *map, int i, j; int numrep; int firstn; + const int descend_once = 0; if ((__u32)ruleno >= map->max_rules) { dprintk(" bad ruleno %d\n", ruleno); @@ -544,7 +550,8 @@ int crush_do_rule(const struct crush_map *map, curstep->arg2, o+osize, j, firstn, - recurse_to_leaf, c+osize); + recurse_to_leaf, + descend_once, c+osize); } if (recurse_to_leaf) diff --git a/net/ceph/crypto.c b/net/ceph/crypto.c index af14cb4..6e7a236 100644 --- a/net/ceph/crypto.c +++ b/net/ceph/crypto.c @@ -423,7 +423,8 @@ int ceph_encrypt2(struct ceph_crypto_key *secret, void *dst, size_t *dst_len, } } -int ceph_key_instantiate(struct key *key, struct key_preparsed_payload *prep) +static int ceph_key_instantiate(struct key *key, + struct key_preparsed_payload *prep) { struct ceph_crypto_key *ckey; size_t datalen = prep->datalen; @@ -458,12 +459,12 @@ err: return ret; } -int ceph_key_match(const struct key *key, const void *description) +static int ceph_key_match(const struct key *key, const void *description) { return strcmp(key->description, description) == 0; } -void ceph_key_destroy(struct key *key) { +static void ceph_key_destroy(struct key *key) { struct ceph_crypto_key *ckey = key->payload.data; ceph_crypto_key_destroy(ckey); diff --git a/net/ceph/debugfs.c b/net/ceph/debugfs.c index 38b5dc1..00d051f 100644 --- a/net/ceph/debugfs.c +++ b/net/ceph/debugfs.c @@ -66,9 +66,9 @@ static int osdmap_show(struct seq_file *s, void *p) for (n = rb_first(&client->osdc.osdmap->pg_pools); n; n = rb_next(n)) { struct ceph_pg_pool_info *pool = rb_entry(n, struct ceph_pg_pool_info, node); - seq_printf(s, "pg_pool %d pg_num %d / %d, lpg_num %d / %d\n", - pool->id, pool->v.pg_num, pool->pg_num_mask, - pool->v.lpg_num, pool->lpg_num_mask); + seq_printf(s, "pg_pool %llu pg_num %d / %d\n", + (unsigned long long)pool->id, pool->pg_num, + pool->pg_num_mask); } for (i = 0; i < client->osdc.osdmap->max_osd; i++) { struct ceph_entity_addr *addr = @@ -123,26 +123,16 @@ static int osdc_show(struct seq_file *s, void *pp) mutex_lock(&osdc->request_mutex); for (p = rb_first(&osdc->requests); p; p = rb_next(p)) { struct ceph_osd_request *req; - struct ceph_osd_request_head *head; - struct ceph_osd_op *op; - int num_ops; - int opcode, olen; + int opcode; int i; req = rb_entry(p, struct ceph_osd_request, r_node); - seq_printf(s, "%lld\tosd%d\t%d.%x\t", req->r_tid, + seq_printf(s, "%lld\tosd%d\t%lld.%x\t", req->r_tid, req->r_osd ? req->r_osd->o_osd : -1, - le32_to_cpu(req->r_pgid.pool), - le16_to_cpu(req->r_pgid.ps)); + req->r_pgid.pool, req->r_pgid.seed); - head = req->r_request->front.iov_base; - op = (void *)(head + 1); - - num_ops = le16_to_cpu(head->num_ops); - olen = le32_to_cpu(head->object_len); - seq_printf(s, "%.*s", olen, - (const char *)(head->ops + num_ops)); + seq_printf(s, "%.*s", req->r_oid_len, req->r_oid); if (req->r_reassert_version.epoch) seq_printf(s, "\t%u'%llu", @@ -151,10 +141,9 @@ static int osdc_show(struct seq_file *s, void *pp) else seq_printf(s, "\t"); - for (i = 0; i < num_ops; i++) { - opcode = le16_to_cpu(op->op); + for (i = 0; i < req->r_num_ops; i++) { + opcode = le16_to_cpu(req->r_request_ops[i].op); seq_printf(s, "\t%s", ceph_osd_op_name(opcode)); - op++; } seq_printf(s, "\n"); diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index 5ccf87e..2c0669f 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -9,8 +9,9 @@ #include <linux/slab.h> #include <linux/socket.h> #include <linux/string.h> +#ifdef CONFIG_BLOCK #include <linux/bio.h> -#include <linux/blkdev.h> +#endif /* CONFIG_BLOCK */ #include <linux/dns_resolver.h> #include <net/tcp.h> @@ -97,6 +98,57 @@ #define CON_FLAG_SOCK_CLOSED 3 /* socket state changed to closed */ #define CON_FLAG_BACKOFF 4 /* need to retry queuing delayed work */ +static bool con_flag_valid(unsigned long con_flag) +{ + switch (con_flag) { + case CON_FLAG_LOSSYTX: + case CON_FLAG_KEEPALIVE_PENDING: + case CON_FLAG_WRITE_PENDING: + case CON_FLAG_SOCK_CLOSED: + case CON_FLAG_BACKOFF: + return true; + default: + return false; + } +} + +static void con_flag_clear(struct ceph_connection *con, unsigned long con_flag) +{ + BUG_ON(!con_flag_valid(con_flag)); + + clear_bit(con_flag, &con->flags); +} + +static void con_flag_set(struct ceph_connection *con, unsigned long con_flag) +{ + BUG_ON(!con_flag_valid(con_flag)); + + set_bit(con_flag, &con->flags); +} + +static bool con_flag_test(struct ceph_connection *con, unsigned long con_flag) +{ + BUG_ON(!con_flag_valid(con_flag)); + + return test_bit(con_flag, &con->flags); +} + +static bool con_flag_test_and_clear(struct ceph_connection *con, + unsigned long con_flag) +{ + BUG_ON(!con_flag_valid(con_flag)); + + return test_and_clear_bit(con_flag, &con->flags); +} + +static bool con_flag_test_and_set(struct ceph_connection *con, + unsigned long con_flag) +{ + BUG_ON(!con_flag_valid(con_flag)); + + return test_and_set_bit(con_flag, &con->flags); +} + /* static tag bytes (protocol control messages) */ static char tag_msg = CEPH_MSGR_TAG_MSG; static char tag_ack = CEPH_MSGR_TAG_ACK; @@ -114,7 +166,7 @@ static struct lock_class_key socket_class; static void queue_con(struct ceph_connection *con); static void con_work(struct work_struct *); -static void ceph_fault(struct ceph_connection *con); +static void con_fault(struct ceph_connection *con); /* * Nicely render a sockaddr as a string. An array of formatted @@ -171,7 +223,7 @@ static void encode_my_addr(struct ceph_messenger *msgr) */ static struct workqueue_struct *ceph_msgr_wq; -void _ceph_msgr_exit(void) +static void _ceph_msgr_exit(void) { if (ceph_msgr_wq) { destroy_workqueue(ceph_msgr_wq); @@ -308,7 +360,7 @@ static void ceph_sock_write_space(struct sock *sk) * buffer. See net/ipv4/tcp_input.c:tcp_check_space() * and net/core/stream.c:sk_stream_write_space(). */ - if (test_bit(CON_FLAG_WRITE_PENDING, &con->flags)) { + if (con_flag_test(con, CON_FLAG_WRITE_PENDING)) { if (sk_stream_wspace(sk) >= sk_stream_min_wspace(sk)) { dout("%s %p queueing write work\n", __func__, con); clear_bit(SOCK_NOSPACE, &sk->sk_socket->flags); @@ -333,7 +385,7 @@ static void ceph_sock_state_change(struct sock *sk) case TCP_CLOSE_WAIT: dout("%s TCP_CLOSE_WAIT\n", __func__); con_sock_state_closing(con); - set_bit(CON_FLAG_SOCK_CLOSED, &con->flags); + con_flag_set(con, CON_FLAG_SOCK_CLOSED); queue_con(con); break; case TCP_ESTABLISHED: @@ -474,7 +526,7 @@ static int con_close_socket(struct ceph_connection *con) * received a socket close event before we had the chance to * shut the socket down. */ - clear_bit(CON_FLAG_SOCK_CLOSED, &con->flags); + con_flag_clear(con, CON_FLAG_SOCK_CLOSED); con_sock_state_closed(con); return rc; @@ -538,11 +590,10 @@ void ceph_con_close(struct ceph_connection *con) ceph_pr_addr(&con->peer_addr.in_addr)); con->state = CON_STATE_CLOSED; - clear_bit(CON_FLAG_LOSSYTX, &con->flags); /* so we retry next connect */ - clear_bit(CON_FLAG_KEEPALIVE_PENDING, &con->flags); - clear_bit(CON_FLAG_WRITE_PENDING, &con->flags); - clear_bit(CON_FLAG_KEEPALIVE_PENDING, &con->flags); - clear_bit(CON_FLAG_BACKOFF, &con->flags); + con_flag_clear(con, CON_FLAG_LOSSYTX); /* so we retry next connect */ + con_flag_clear(con, CON_FLAG_KEEPALIVE_PENDING); + con_flag_clear(con, CON_FLAG_WRITE_PENDING); + con_flag_clear(con, CON_FLAG_BACKOFF); reset_connection(con); con->peer_global_seq = 0; @@ -798,7 +849,7 @@ static void prepare_write_message(struct ceph_connection *con) /* no, queue up footer too and be done */ prepare_write_message_footer(con); - set_bit(CON_FLAG_WRITE_PENDING, &con->flags); + con_flag_set(con, CON_FLAG_WRITE_PENDING); } /* @@ -819,7 +870,7 @@ static void prepare_write_ack(struct ceph_connection *con) &con->out_temp_ack); con->out_more = 1; /* more will follow.. eventually.. */ - set_bit(CON_FLAG_WRITE_PENDING, &con->flags); + con_flag_set(con, CON_FLAG_WRITE_PENDING); } /* @@ -830,7 +881,7 @@ static void prepare_write_keepalive(struct ceph_connection *con) dout("prepare_write_keepalive %p\n", con); con_out_kvec_reset(con); con_out_kvec_add(con, sizeof (tag_keepalive), &tag_keepalive); - set_bit(CON_FLAG_WRITE_PENDING, &con->flags); + con_flag_set(con, CON_FLAG_WRITE_PENDING); } /* @@ -873,7 +924,7 @@ static void prepare_write_banner(struct ceph_connection *con) &con->msgr->my_enc_addr); con->out_more = 0; - set_bit(CON_FLAG_WRITE_PENDING, &con->flags); + con_flag_set(con, CON_FLAG_WRITE_PENDING); } static int prepare_write_connect(struct ceph_connection *con) @@ -923,7 +974,7 @@ static int prepare_write_connect(struct ceph_connection *con) auth->authorizer_buf); con->out_more = 0; - set_bit(CON_FLAG_WRITE_PENDING, &con->flags); + con_flag_set(con, CON_FLAG_WRITE_PENDING); return 0; } @@ -1643,7 +1694,7 @@ static int process_connect(struct ceph_connection *con) le32_to_cpu(con->in_reply.connect_seq)); if (con->in_reply.flags & CEPH_MSG_CONNECT_LOSSY) - set_bit(CON_FLAG_LOSSYTX, &con->flags); + con_flag_set(con, CON_FLAG_LOSSYTX); con->delay = 0; /* reset backoff memory */ @@ -2080,15 +2131,14 @@ do_next: prepare_write_ack(con); goto more; } - if (test_and_clear_bit(CON_FLAG_KEEPALIVE_PENDING, - &con->flags)) { + if (con_flag_test_and_clear(con, CON_FLAG_KEEPALIVE_PENDING)) { prepare_write_keepalive(con); goto more; } } /* Nothing to do! */ - clear_bit(CON_FLAG_WRITE_PENDING, &con->flags); + con_flag_clear(con, CON_FLAG_WRITE_PENDING); dout("try_write nothing else to write.\n"); ret = 0; out: @@ -2268,7 +2318,7 @@ static void queue_con(struct ceph_connection *con) static bool con_sock_closed(struct ceph_connection *con) { - if (!test_and_clear_bit(CON_FLAG_SOCK_CLOSED, &con->flags)) + if (!con_flag_test_and_clear(con, CON_FLAG_SOCK_CLOSED)) return false; #define CASE(x) \ @@ -2295,6 +2345,41 @@ static bool con_sock_closed(struct ceph_connection *con) return true; } +static bool con_backoff(struct ceph_connection *con) +{ + int ret; + + if (!con_flag_test_and_clear(con, CON_FLAG_BACKOFF)) + return false; + + ret = queue_con_delay(con, round_jiffies_relative(con->delay)); + if (ret) { + dout("%s: con %p FAILED to back off %lu\n", __func__, + con, con->delay); + BUG_ON(ret == -ENOENT); + con_flag_set(con, CON_FLAG_BACKOFF); + } + + return true; +} + +/* Finish fault handling; con->mutex must *not* be held here */ + +static void con_fault_finish(struct ceph_connection *con) +{ + /* + * in case we faulted due to authentication, invalidate our + * current tickets so that we can get new ones. + */ + if (con->auth_retry && con->ops->invalidate_authorizer) { + dout("calling invalidate_authorizer()\n"); + con->ops->invalidate_authorizer(con); + } + + if (con->ops->fault) + con->ops->fault(con); +} + /* * Do some work on a connection. Drop a connection ref when we're done. */ @@ -2302,73 +2387,68 @@ static void con_work(struct work_struct *work) { struct ceph_connection *con = container_of(work, struct ceph_connection, work.work); - int ret; + bool fault; mutex_lock(&con->mutex); -restart: - if (con_sock_closed(con)) - goto fault; + while (true) { + int ret; - if (test_and_clear_bit(CON_FLAG_BACKOFF, &con->flags)) { - dout("con_work %p backing off\n", con); - ret = queue_con_delay(con, round_jiffies_relative(con->delay)); - if (ret) { - dout("con_work %p FAILED to back off %lu\n", con, - con->delay); - BUG_ON(ret == -ENOENT); - set_bit(CON_FLAG_BACKOFF, &con->flags); + if ((fault = con_sock_closed(con))) { + dout("%s: con %p SOCK_CLOSED\n", __func__, con); + break; + } + if (con_backoff(con)) { + dout("%s: con %p BACKOFF\n", __func__, con); + break; + } + if (con->state == CON_STATE_STANDBY) { + dout("%s: con %p STANDBY\n", __func__, con); + break; + } + if (con->state == CON_STATE_CLOSED) { + dout("%s: con %p CLOSED\n", __func__, con); + BUG_ON(con->sock); + break; + } + if (con->state == CON_STATE_PREOPEN) { + dout("%s: con %p PREOPEN\n", __func__, con); + BUG_ON(con->sock); } - goto done; - } - if (con->state == CON_STATE_STANDBY) { - dout("con_work %p STANDBY\n", con); - goto done; - } - if (con->state == CON_STATE_CLOSED) { - dout("con_work %p CLOSED\n", con); - BUG_ON(con->sock); - goto done; - } - if (con->state == CON_STATE_PREOPEN) { - dout("con_work OPENING\n"); - BUG_ON(con->sock); - } + ret = try_read(con); + if (ret < 0) { + if (ret == -EAGAIN) + continue; + con->error_msg = "socket error on read"; + fault = true; + break; + } - ret = try_read(con); - if (ret == -EAGAIN) - goto restart; - if (ret < 0) { - con->error_msg = "socket error on read"; - goto fault; - } + ret = try_write(con); + if (ret < 0) { + if (ret == -EAGAIN) + continue; + con->error_msg = "socket error on write"; + fault = true; + } - ret = try_write(con); - if (ret == -EAGAIN) - goto restart; - if (ret < 0) { - con->error_msg = "socket error on write"; - goto fault; + break; /* If we make it to here, we're done */ } - -done: + if (fault) + con_fault(con); mutex_unlock(&con->mutex); -done_unlocked: - con->ops->put(con); - return; -fault: - ceph_fault(con); /* error/fault path */ - goto done_unlocked; -} + if (fault) + con_fault_finish(con); + con->ops->put(con); +} /* * Generic error/fault handler. A retry mechanism is used with * exponential backoff */ -static void ceph_fault(struct ceph_connection *con) - __releases(con->mutex) +static void con_fault(struct ceph_connection *con) { pr_warning("%s%lld %s %s\n", ENTITY_NAME(con->peer_name), ceph_pr_addr(&con->peer_addr.in_addr), con->error_msg); @@ -2381,10 +2461,10 @@ static void ceph_fault(struct ceph_connection *con) con_close_socket(con); - if (test_bit(CON_FLAG_LOSSYTX, &con->flags)) { + if (con_flag_test(con, CON_FLAG_LOSSYTX)) { dout("fault on LOSSYTX channel, marking CLOSED\n"); con->state = CON_STATE_CLOSED; - goto out_unlock; + return; } if (con->in_msg) { @@ -2401,9 +2481,9 @@ static void ceph_fault(struct ceph_connection *con) /* If there are no messages queued or keepalive pending, place * the connection in a STANDBY state */ if (list_empty(&con->out_queue) && - !test_bit(CON_FLAG_KEEPALIVE_PENDING, &con->flags)) { + !con_flag_test(con, CON_FLAG_KEEPALIVE_PENDING)) { dout("fault %p setting STANDBY clearing WRITE_PENDING\n", con); - clear_bit(CON_FLAG_WRITE_PENDING, &con->flags); + con_flag_clear(con, CON_FLAG_WRITE_PENDING); con->state = CON_STATE_STANDBY; } else { /* retry after a delay. */ @@ -2412,23 +2492,9 @@ static void ceph_fault(struct ceph_connection *con) con->delay = BASE_DELAY_INTERVAL; else if (con->delay < MAX_DELAY_INTERVAL) con->delay *= 2; - set_bit(CON_FLAG_BACKOFF, &con->flags); + con_flag_set(con, CON_FLAG_BACKOFF); queue_con(con); } - -out_unlock: - mutex_unlock(&con->mutex); - /* - * in case we faulted due to authentication, invalidate our - * current tickets so that we can get new ones. - */ - if (con->auth_retry && con->ops->invalidate_authorizer) { - dout("calling invalidate_authorizer()\n"); - con->ops->invalidate_authorizer(con); - } - - if (con->ops->fault) - con->ops->fault(con); } @@ -2469,8 +2535,8 @@ static void clear_standby(struct ceph_connection *con) dout("clear_standby %p and ++connect_seq\n", con); con->state = CON_STATE_PREOPEN; con->connect_seq++; - WARN_ON(test_bit(CON_FLAG_WRITE_PENDING, &con->flags)); - WARN_ON(test_bit(CON_FLAG_KEEPALIVE_PENDING, &con->flags)); + WARN_ON(con_flag_test(con, CON_FLAG_WRITE_PENDING)); + WARN_ON(con_flag_test(con, CON_FLAG_KEEPALIVE_PENDING)); } } @@ -2511,7 +2577,7 @@ void ceph_con_send(struct ceph_connection *con, struct ceph_msg *msg) /* if there wasn't anything waiting to send before, queue * new work */ - if (test_and_set_bit(CON_FLAG_WRITE_PENDING, &con->flags) == 0) + if (con_flag_test_and_set(con, CON_FLAG_WRITE_PENDING) == 0) queue_con(con); } EXPORT_SYMBOL(ceph_con_send); @@ -2600,8 +2666,8 @@ void ceph_con_keepalive(struct ceph_connection *con) mutex_lock(&con->mutex); clear_standby(con); mutex_unlock(&con->mutex); - if (test_and_set_bit(CON_FLAG_KEEPALIVE_PENDING, &con->flags) == 0 && - test_and_set_bit(CON_FLAG_WRITE_PENDING, &con->flags) == 0) + if (con_flag_test_and_set(con, CON_FLAG_KEEPALIVE_PENDING) == 0 && + con_flag_test_and_set(con, CON_FLAG_WRITE_PENDING) == 0) queue_con(con); } EXPORT_SYMBOL(ceph_con_keepalive); @@ -2651,9 +2717,11 @@ struct ceph_msg *ceph_msg_new(int type, int front_len, gfp_t flags, m->page_alignment = 0; m->pages = NULL; m->pagelist = NULL; +#ifdef CONFIG_BLOCK m->bio = NULL; m->bio_iter = NULL; m->bio_seg = 0; +#endif /* CONFIG_BLOCK */ m->trail = NULL; /* front */ diff --git a/net/ceph/mon_client.c b/net/ceph/mon_client.c index 812eb3b..aef5b10 100644 --- a/net/ceph/mon_client.c +++ b/net/ceph/mon_client.c @@ -697,7 +697,7 @@ int ceph_monc_delete_snapid(struct ceph_mon_client *monc, u32 pool, u64 snapid) { return do_poolop(monc, POOL_OP_CREATE_UNMANAGED_SNAP, - pool, snapid, 0, 0); + pool, snapid, NULL, 0); } diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index eb9a444..d730dd4 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -23,7 +23,7 @@ static const struct ceph_connection_operations osd_con_ops; -static void send_queued(struct ceph_osd_client *osdc); +static void __send_queued(struct ceph_osd_client *osdc); static int __reset_osd(struct ceph_osd_client *osdc, struct ceph_osd *osd); static void __register_request(struct ceph_osd_client *osdc, struct ceph_osd_request *req); @@ -32,64 +32,12 @@ static void __unregister_linger_request(struct ceph_osd_client *osdc, static void __send_request(struct ceph_osd_client *osdc, struct ceph_osd_request *req); -static int op_needs_trail(int op) -{ - switch (op) { - case CEPH_OSD_OP_GETXATTR: - case CEPH_OSD_OP_SETXATTR: - case CEPH_OSD_OP_CMPXATTR: - case CEPH_OSD_OP_CALL: - case CEPH_OSD_OP_NOTIFY: - return 1; - default: - return 0; - } -} - static int op_has_extent(int op) { return (op == CEPH_OSD_OP_READ || op == CEPH_OSD_OP_WRITE); } -int ceph_calc_raw_layout(struct ceph_osd_client *osdc, - struct ceph_file_layout *layout, - u64 snapid, - u64 off, u64 *plen, u64 *bno, - struct ceph_osd_request *req, - struct ceph_osd_req_op *op) -{ - struct ceph_osd_request_head *reqhead = req->r_request->front.iov_base; - u64 orig_len = *plen; - u64 objoff, objlen; /* extent in object */ - int r; - - reqhead->snapid = cpu_to_le64(snapid); - - /* object extent? */ - r = ceph_calc_file_object_mapping(layout, off, plen, bno, - &objoff, &objlen); - if (r < 0) - return r; - if (*plen < orig_len) - dout(" skipping last %llu, final file extent %llu~%llu\n", - orig_len - *plen, off, *plen); - - if (op_has_extent(op->op)) { - op->extent.offset = objoff; - op->extent.length = objlen; - } - req->r_num_pages = calc_pages_for(off, *plen); - req->r_page_alignment = off & ~PAGE_MASK; - if (op->op == CEPH_OSD_OP_WRITE) - op->payload_len = *plen; - - dout("calc_layout bno=%llx %llu~%llu (%d pages)\n", - *bno, objoff, objlen, req->r_num_pages); - return 0; -} -EXPORT_SYMBOL(ceph_calc_raw_layout); - /* * Implement client access to distributed object storage cluster. * @@ -115,20 +63,48 @@ EXPORT_SYMBOL(ceph_calc_raw_layout); * * fill osd op in request message. */ -static int calc_layout(struct ceph_osd_client *osdc, - struct ceph_vino vino, +static int calc_layout(struct ceph_vino vino, struct ceph_file_layout *layout, u64 off, u64 *plen, struct ceph_osd_request *req, struct ceph_osd_req_op *op) { - u64 bno; + u64 orig_len = *plen; + u64 bno = 0; + u64 objoff = 0; + u64 objlen = 0; int r; - r = ceph_calc_raw_layout(osdc, layout, vino.snap, off, - plen, &bno, req, op); + /* object extent? */ + r = ceph_calc_file_object_mapping(layout, off, orig_len, &bno, + &objoff, &objlen); if (r < 0) return r; + if (objlen < orig_len) { + *plen = objlen; + dout(" skipping last %llu, final file extent %llu~%llu\n", + orig_len - *plen, off, *plen); + } + + if (op_has_extent(op->op)) { + u32 osize = le32_to_cpu(layout->fl_object_size); + op->extent.offset = objoff; + op->extent.length = objlen; + if (op->extent.truncate_size <= off - objoff) { + op->extent.truncate_size = 0; + } else { + op->extent.truncate_size -= off - objoff; + if (op->extent.truncate_size > osize) + op->extent.truncate_size = osize; + } + } + req->r_num_pages = calc_pages_for(off, *plen); + req->r_page_alignment = off & ~PAGE_MASK; + if (op->op == CEPH_OSD_OP_WRITE) + op->payload_len = *plen; + + dout("calc_layout bno=%llx %llu~%llu (%d pages)\n", + bno, objoff, objlen, req->r_num_pages); snprintf(req->r_oid, sizeof(req->r_oid), "%llx.%08llx", vino.ino, bno); req->r_oid_len = strlen(req->r_oid); @@ -148,25 +124,19 @@ void ceph_osdc_release_request(struct kref *kref) if (req->r_request) ceph_msg_put(req->r_request); if (req->r_con_filling_msg) { - dout("%s revoking pages %p from con %p\n", __func__, - req->r_pages, req->r_con_filling_msg); + dout("%s revoking msg %p from con %p\n", __func__, + req->r_reply, req->r_con_filling_msg); ceph_msg_revoke_incoming(req->r_reply); req->r_con_filling_msg->ops->put(req->r_con_filling_msg); + req->r_con_filling_msg = NULL; } if (req->r_reply) ceph_msg_put(req->r_reply); if (req->r_own_pages) ceph_release_page_vector(req->r_pages, req->r_num_pages); -#ifdef CONFIG_BLOCK - if (req->r_bio) - bio_put(req->r_bio); -#endif ceph_put_snap_context(req->r_snapc); - if (req->r_trail) { - ceph_pagelist_release(req->r_trail); - kfree(req->r_trail); - } + ceph_pagelist_release(&req->r_trail); if (req->r_mempool) mempool_free(req, req->r_osdc->req_mempool); else @@ -174,37 +144,25 @@ void ceph_osdc_release_request(struct kref *kref) } EXPORT_SYMBOL(ceph_osdc_release_request); -static int get_num_ops(struct ceph_osd_req_op *ops, int *needs_trail) -{ - int i = 0; - - if (needs_trail) - *needs_trail = 0; - while (ops[i].op) { - if (needs_trail && op_needs_trail(ops[i].op)) - *needs_trail = 1; - i++; - } - - return i; -} - struct ceph_osd_request *ceph_osdc_alloc_request(struct ceph_osd_client *osdc, - int flags, struct ceph_snap_context *snapc, - struct ceph_osd_req_op *ops, + unsigned int num_ops, bool use_mempool, - gfp_t gfp_flags, - struct page **pages, - struct bio *bio) + gfp_t gfp_flags) { struct ceph_osd_request *req; struct ceph_msg *msg; - int needs_trail; - int num_op = get_num_ops(ops, &needs_trail); - size_t msg_size = sizeof(struct ceph_osd_request_head); - - msg_size += num_op*sizeof(struct ceph_osd_op); + size_t msg_size; + + msg_size = 4 + 4 + 8 + 8 + 4+8; + msg_size += 2 + 4 + 8 + 4 + 4; /* oloc */ + msg_size += 1 + 8 + 4 + 4; /* pg_t */ + msg_size += 4 + MAX_OBJ_NAME_SIZE; + msg_size += 2 + num_ops*sizeof(struct ceph_osd_op); + msg_size += 8; /* snapid */ + msg_size += 8; /* snap_seq */ + msg_size += 8 * (snapc ? snapc->num_snaps : 0); /* snaps */ + msg_size += 4; if (use_mempool) { req = mempool_alloc(osdc->req_mempool, gfp_flags); @@ -228,10 +186,6 @@ struct ceph_osd_request *ceph_osdc_alloc_request(struct ceph_osd_client *osdc, INIT_LIST_HEAD(&req->r_req_lru_item); INIT_LIST_HEAD(&req->r_osd_item); - req->r_flags = flags; - - WARN_ON((flags & (CEPH_OSD_FLAG_READ|CEPH_OSD_FLAG_WRITE)) == 0); - /* create reply message */ if (use_mempool) msg = ceph_msgpool_get(&osdc->msgpool_op_reply, 0); @@ -244,20 +198,9 @@ struct ceph_osd_request *ceph_osdc_alloc_request(struct ceph_osd_client *osdc, } req->r_reply = msg; - /* allocate space for the trailing data */ - if (needs_trail) { - req->r_trail = kmalloc(sizeof(struct ceph_pagelist), gfp_flags); - if (!req->r_trail) { - ceph_osdc_put_request(req); - return NULL; - } - ceph_pagelist_init(req->r_trail); - } + ceph_pagelist_init(&req->r_trail); /* create request message; allow space for oid */ - msg_size += MAX_OBJ_NAME_SIZE; - if (snapc) - msg_size += sizeof(u64) * snapc->num_snaps; if (use_mempool) msg = ceph_msgpool_get(&osdc->msgpool_op, 0); else @@ -270,13 +213,6 @@ struct ceph_osd_request *ceph_osdc_alloc_request(struct ceph_osd_client *osdc, memset(msg->front.iov_base, 0, msg->front.iov_len); req->r_request = msg; - req->r_pages = pages; -#ifdef CONFIG_BLOCK - if (bio) { - req->r_bio = bio; - bio_get(req->r_bio); - } -#endif return req; } @@ -289,6 +225,8 @@ static void osd_req_encode_op(struct ceph_osd_request *req, dst->op = cpu_to_le16(src->op); switch (src->op) { + case CEPH_OSD_OP_STAT: + break; case CEPH_OSD_OP_READ: case CEPH_OSD_OP_WRITE: dst->extent.offset = @@ -300,52 +238,20 @@ static void osd_req_encode_op(struct ceph_osd_request *req, dst->extent.truncate_seq = cpu_to_le32(src->extent.truncate_seq); break; - - case CEPH_OSD_OP_GETXATTR: - case CEPH_OSD_OP_SETXATTR: - case CEPH_OSD_OP_CMPXATTR: - BUG_ON(!req->r_trail); - - dst->xattr.name_len = cpu_to_le32(src->xattr.name_len); - dst->xattr.value_len = cpu_to_le32(src->xattr.value_len); - dst->xattr.cmp_op = src->xattr.cmp_op; - dst->xattr.cmp_mode = src->xattr.cmp_mode; - ceph_pagelist_append(req->r_trail, src->xattr.name, - src->xattr.name_len); - ceph_pagelist_append(req->r_trail, src->xattr.val, - src->xattr.value_len); - break; case CEPH_OSD_OP_CALL: - BUG_ON(!req->r_trail); - dst->cls.class_len = src->cls.class_len; dst->cls.method_len = src->cls.method_len; dst->cls.indata_len = cpu_to_le32(src->cls.indata_len); - ceph_pagelist_append(req->r_trail, src->cls.class_name, + ceph_pagelist_append(&req->r_trail, src->cls.class_name, src->cls.class_len); - ceph_pagelist_append(req->r_trail, src->cls.method_name, + ceph_pagelist_append(&req->r_trail, src->cls.method_name, src->cls.method_len); - ceph_pagelist_append(req->r_trail, src->cls.indata, + ceph_pagelist_append(&req->r_trail, src->cls.indata, src->cls.indata_len); break; - case CEPH_OSD_OP_ROLLBACK: - dst->snap.snapid = cpu_to_le64(src->snap.snapid); - break; case CEPH_OSD_OP_STARTSYNC: break; - case CEPH_OSD_OP_NOTIFY: - { - __le32 prot_ver = cpu_to_le32(src->watch.prot_ver); - __le32 timeout = cpu_to_le32(src->watch.timeout); - - BUG_ON(!req->r_trail); - - ceph_pagelist_append(req->r_trail, - &prot_ver, sizeof(prot_ver)); - ceph_pagelist_append(req->r_trail, - &timeout, sizeof(timeout)); - } case CEPH_OSD_OP_NOTIFY_ACK: case CEPH_OSD_OP_WATCH: dst->watch.cookie = cpu_to_le64(src->watch.cookie); @@ -356,6 +262,64 @@ static void osd_req_encode_op(struct ceph_osd_request *req, pr_err("unrecognized osd opcode %d\n", dst->op); WARN_ON(1); break; + case CEPH_OSD_OP_MAPEXT: + case CEPH_OSD_OP_MASKTRUNC: + case CEPH_OSD_OP_SPARSE_READ: + case CEPH_OSD_OP_NOTIFY: + case CEPH_OSD_OP_ASSERT_VER: + case CEPH_OSD_OP_WRITEFULL: + case CEPH_OSD_OP_TRUNCATE: + case CEPH_OSD_OP_ZERO: + case CEPH_OSD_OP_DELETE: + case CEPH_OSD_OP_APPEND: + case CEPH_OSD_OP_SETTRUNC: + case CEPH_OSD_OP_TRIMTRUNC: + case CEPH_OSD_OP_TMAPUP: + case CEPH_OSD_OP_TMAPPUT: + case CEPH_OSD_OP_TMAPGET: + case CEPH_OSD_OP_CREATE: + case CEPH_OSD_OP_ROLLBACK: + case CEPH_OSD_OP_OMAPGETKEYS: + case CEPH_OSD_OP_OMAPGETVALS: + case CEPH_OSD_OP_OMAPGETHEADER: + case CEPH_OSD_OP_OMAPGETVALSBYKEYS: + case CEPH_OSD_OP_MODE_RD: + case CEPH_OSD_OP_OMAPSETVALS: + case CEPH_OSD_OP_OMAPSETHEADER: + case CEPH_OSD_OP_OMAPCLEAR: + case CEPH_OSD_OP_OMAPRMKEYS: + case CEPH_OSD_OP_OMAP_CMP: + case CEPH_OSD_OP_CLONERANGE: + case CEPH_OSD_OP_ASSERT_SRC_VERSION: + case CEPH_OSD_OP_SRC_CMPXATTR: + case CEPH_OSD_OP_GETXATTR: + case CEPH_OSD_OP_GETXATTRS: + case CEPH_OSD_OP_CMPXATTR: + case CEPH_OSD_OP_SETXATTR: + case CEPH_OSD_OP_SETXATTRS: + case CEPH_OSD_OP_RESETXATTRS: + case CEPH_OSD_OP_RMXATTR: + case CEPH_OSD_OP_PULL: + case CEPH_OSD_OP_PUSH: + case CEPH_OSD_OP_BALANCEREADS: + case CEPH_OSD_OP_UNBALANCEREADS: + case CEPH_OSD_OP_SCRUB: + case CEPH_OSD_OP_SCRUB_RESERVE: + case CEPH_OSD_OP_SCRUB_UNRESERVE: + case CEPH_OSD_OP_SCRUB_STOP: + case CEPH_OSD_OP_SCRUB_MAP: + case CEPH_OSD_OP_WRLOCK: + case CEPH_OSD_OP_WRUNLOCK: + case CEPH_OSD_OP_RDLOCK: + case CEPH_OSD_OP_RDUNLOCK: + case CEPH_OSD_OP_UPLOCK: + case CEPH_OSD_OP_DNLOCK: + case CEPH_OSD_OP_PGLS: + case CEPH_OSD_OP_PGLS_FILTER: + pr_err("unsupported osd opcode %s\n", + ceph_osd_op_name(dst->op)); + WARN_ON(1); + break; } dst->payload_len = cpu_to_le32(src->payload_len); } @@ -365,75 +329,95 @@ static void osd_req_encode_op(struct ceph_osd_request *req, * */ void ceph_osdc_build_request(struct ceph_osd_request *req, - u64 off, u64 *plen, + u64 off, u64 len, unsigned int num_ops, struct ceph_osd_req_op *src_ops, - struct ceph_snap_context *snapc, - struct timespec *mtime, - const char *oid, - int oid_len) + struct ceph_snap_context *snapc, u64 snap_id, + struct timespec *mtime) { struct ceph_msg *msg = req->r_request; - struct ceph_osd_request_head *head; struct ceph_osd_req_op *src_op; - struct ceph_osd_op *op; void *p; - int num_op = get_num_ops(src_ops, NULL); - size_t msg_size = sizeof(*head) + num_op*sizeof(*op); + size_t msg_size; int flags = req->r_flags; - u64 data_len = 0; + u64 data_len; int i; - head = msg->front.iov_base; - op = (void *)(head + 1); - p = (void *)(op + num_op); - + req->r_num_ops = num_ops; + req->r_snapid = snap_id; req->r_snapc = ceph_get_snap_context(snapc); - head->client_inc = cpu_to_le32(1); /* always, for now. */ - head->flags = cpu_to_le32(flags); - if (flags & CEPH_OSD_FLAG_WRITE) - ceph_encode_timespec(&head->mtime, mtime); - head->num_ops = cpu_to_le16(num_op); - - - /* fill in oid */ - head->object_len = cpu_to_le32(oid_len); - memcpy(p, oid, oid_len); - p += oid_len; + /* encode request */ + msg->hdr.version = cpu_to_le16(4); + p = msg->front.iov_base; + ceph_encode_32(&p, 1); /* client_inc is always 1 */ + req->r_request_osdmap_epoch = p; + p += 4; + req->r_request_flags = p; + p += 4; + if (req->r_flags & CEPH_OSD_FLAG_WRITE) + ceph_encode_timespec(p, mtime); + p += sizeof(struct ceph_timespec); + req->r_request_reassert_version = p; + p += sizeof(struct ceph_eversion); /* will get filled in */ + + /* oloc */ + ceph_encode_8(&p, 4); + ceph_encode_8(&p, 4); + ceph_encode_32(&p, 8 + 4 + 4); + req->r_request_pool = p; + p += 8; + ceph_encode_32(&p, -1); /* preferred */ + ceph_encode_32(&p, 0); /* key len */ + + ceph_encode_8(&p, 1); + req->r_request_pgid = p; + p += 8 + 4; + ceph_encode_32(&p, -1); /* preferred */ + + /* oid */ + ceph_encode_32(&p, req->r_oid_len); + memcpy(p, req->r_oid, req->r_oid_len); + dout("oid '%.*s' len %d\n", req->r_oid_len, req->r_oid, req->r_oid_len); + p += req->r_oid_len; + + /* ops */ + ceph_encode_16(&p, num_ops); src_op = src_ops; - while (src_op->op) { - osd_req_encode_op(req, op, src_op); - src_op++; - op++; + req->r_request_ops = p; + for (i = 0; i < num_ops; i++, src_op++) { + osd_req_encode_op(req, p, src_op); + p += sizeof(struct ceph_osd_op); } - if (req->r_trail) - data_len += req->r_trail->length; - - if (snapc) { - head->snap_seq = cpu_to_le64(snapc->seq); - head->num_snaps = cpu_to_le32(snapc->num_snaps); + /* snaps */ + ceph_encode_64(&p, req->r_snapid); + ceph_encode_64(&p, req->r_snapc ? req->r_snapc->seq : 0); + ceph_encode_32(&p, req->r_snapc ? req->r_snapc->num_snaps : 0); + if (req->r_snapc) { for (i = 0; i < snapc->num_snaps; i++) { - put_unaligned_le64(snapc->snaps[i], p); - p += sizeof(u64); + ceph_encode_64(&p, req->r_snapc->snaps[i]); } } + req->r_request_attempts = p; + p += 4; + + data_len = req->r_trail.length; if (flags & CEPH_OSD_FLAG_WRITE) { req->r_request->hdr.data_off = cpu_to_le16(off); - req->r_request->hdr.data_len = cpu_to_le32(*plen + data_len); - } else if (data_len) { - req->r_request->hdr.data_off = 0; - req->r_request->hdr.data_len = cpu_to_le32(data_len); + data_len += len; } - + req->r_request->hdr.data_len = cpu_to_le32(data_len); req->r_request->page_alignment = req->r_page_alignment; BUG_ON(p > msg->front.iov_base + msg->front.iov_len); msg_size = p - msg->front.iov_base; msg->front.iov_len = msg_size; msg->hdr.front_len = cpu_to_le32(msg_size); + + dout("build_request msg_size was %d num_ops %d\n", (int)msg_size, + num_ops); return; } EXPORT_SYMBOL(ceph_osdc_build_request); @@ -459,34 +443,33 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc, u32 truncate_seq, u64 truncate_size, struct timespec *mtime, - bool use_mempool, int num_reply, + bool use_mempool, int page_align) { - struct ceph_osd_req_op ops[3]; + struct ceph_osd_req_op ops[2]; struct ceph_osd_request *req; + unsigned int num_op = 1; int r; + memset(&ops, 0, sizeof ops); + ops[0].op = opcode; ops[0].extent.truncate_seq = truncate_seq; ops[0].extent.truncate_size = truncate_size; - ops[0].payload_len = 0; if (do_sync) { ops[1].op = CEPH_OSD_OP_STARTSYNC; - ops[1].payload_len = 0; - ops[2].op = 0; - } else - ops[1].op = 0; - - req = ceph_osdc_alloc_request(osdc, flags, - snapc, ops, - use_mempool, - GFP_NOFS, NULL, NULL); + num_op++; + } + + req = ceph_osdc_alloc_request(osdc, snapc, num_op, use_mempool, + GFP_NOFS); if (!req) return ERR_PTR(-ENOMEM); + req->r_flags = flags; /* calculate max write size */ - r = calc_layout(osdc, vino, layout, off, plen, req, ops); + r = calc_layout(vino, layout, off, plen, req, ops); if (r < 0) return ERR_PTR(r); req->r_file_layout = *layout; /* keep a copy */ @@ -496,10 +479,8 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc, req->r_num_pages = calc_pages_for(page_align, *plen); req->r_page_alignment = page_align; - ceph_osdc_build_request(req, off, plen, ops, - snapc, - mtime, - req->r_oid, req->r_oid_len); + ceph_osdc_build_request(req, off, *plen, num_op, ops, + snapc, vino.snap, mtime); return req; } @@ -623,8 +604,8 @@ static void osd_reset(struct ceph_connection *con) down_read(&osdc->map_sem); mutex_lock(&osdc->request_mutex); __kick_osd_requests(osdc, osd); + __send_queued(osdc); mutex_unlock(&osdc->request_mutex); - send_queued(osdc); up_read(&osdc->map_sem); } @@ -739,31 +720,35 @@ static void remove_old_osds(struct ceph_osd_client *osdc) */ static int __reset_osd(struct ceph_osd_client *osdc, struct ceph_osd *osd) { - struct ceph_osd_request *req; - int ret = 0; + struct ceph_entity_addr *peer_addr; dout("__reset_osd %p osd%d\n", osd, osd->o_osd); if (list_empty(&osd->o_requests) && list_empty(&osd->o_linger_requests)) { __remove_osd(osdc, osd); - ret = -ENODEV; - } else if (memcmp(&osdc->osdmap->osd_addr[osd->o_osd], - &osd->o_con.peer_addr, - sizeof(osd->o_con.peer_addr)) == 0 && - !ceph_con_opened(&osd->o_con)) { + + return -ENODEV; + } + + peer_addr = &osdc->osdmap->osd_addr[osd->o_osd]; + if (!memcmp(peer_addr, &osd->o_con.peer_addr, sizeof (*peer_addr)) && + !ceph_con_opened(&osd->o_con)) { + struct ceph_osd_request *req; + dout(" osd addr hasn't changed and connection never opened," " letting msgr retry"); /* touch each r_stamp for handle_timeout()'s benfit */ list_for_each_entry(req, &osd->o_requests, r_osd_item) req->r_stamp = jiffies; - ret = -EAGAIN; - } else { - ceph_con_close(&osd->o_con); - ceph_con_open(&osd->o_con, CEPH_ENTITY_TYPE_OSD, osd->o_osd, - &osdc->osdmap->osd_addr[osd->o_osd]); - osd->o_incarnation++; + + return -EAGAIN; } - return ret; + + ceph_con_close(&osd->o_con); + ceph_con_open(&osd->o_con, CEPH_ENTITY_TYPE_OSD, osd->o_osd, peer_addr); + osd->o_incarnation++; + + return 0; } static void __insert_osd(struct ceph_osd_client *osdc, struct ceph_osd *new) @@ -961,20 +946,18 @@ EXPORT_SYMBOL(ceph_osdc_set_request_linger); static int __map_request(struct ceph_osd_client *osdc, struct ceph_osd_request *req, int force_resend) { - struct ceph_osd_request_head *reqhead = req->r_request->front.iov_base; struct ceph_pg pgid; int acting[CEPH_PG_MAX_SIZE]; int o = -1, num = 0; int err; dout("map_request %p tid %lld\n", req, req->r_tid); - err = ceph_calc_object_layout(&reqhead->layout, req->r_oid, + err = ceph_calc_object_layout(&pgid, req->r_oid, &req->r_file_layout, osdc->osdmap); if (err) { list_move(&req->r_req_lru_item, &osdc->req_notarget); return err; } - pgid = reqhead->layout.ol_pgid; req->r_pgid = pgid; err = ceph_calc_pg_acting(osdc->osdmap, pgid, acting); @@ -991,8 +974,8 @@ static int __map_request(struct ceph_osd_client *osdc, (req->r_osd == NULL && o == -1)) return 0; /* no change */ - dout("map_request tid %llu pgid %d.%x osd%d (was osd%d)\n", - req->r_tid, le32_to_cpu(pgid.pool), le16_to_cpu(pgid.ps), o, + dout("map_request tid %llu pgid %lld.%x osd%d (was osd%d)\n", + req->r_tid, pgid.pool, pgid.seed, o, req->r_osd ? req->r_osd->o_osd : -1); /* record full pg acting set */ @@ -1041,15 +1024,22 @@ out: static void __send_request(struct ceph_osd_client *osdc, struct ceph_osd_request *req) { - struct ceph_osd_request_head *reqhead; - - dout("send_request %p tid %llu to osd%d flags %d\n", - req, req->r_tid, req->r_osd->o_osd, req->r_flags); + void *p; - reqhead = req->r_request->front.iov_base; - reqhead->osdmap_epoch = cpu_to_le32(osdc->osdmap->epoch); - reqhead->flags |= cpu_to_le32(req->r_flags); /* e.g., RETRY */ - reqhead->reassert_version = req->r_reassert_version; + dout("send_request %p tid %llu to osd%d flags %d pg %lld.%x\n", + req, req->r_tid, req->r_osd->o_osd, req->r_flags, + (unsigned long long)req->r_pgid.pool, req->r_pgid.seed); + + /* fill in message content that changes each time we send it */ + put_unaligned_le32(osdc->osdmap->epoch, req->r_request_osdmap_epoch); + put_unaligned_le32(req->r_flags, req->r_request_flags); + put_unaligned_le64(req->r_pgid.pool, req->r_request_pool); + p = req->r_request_pgid; + ceph_encode_64(&p, req->r_pgid.pool); + ceph_encode_32(&p, req->r_pgid.seed); + put_unaligned_le64(1, req->r_request_attempts); /* FIXME */ + memcpy(req->r_request_reassert_version, &req->r_reassert_version, + sizeof(req->r_reassert_version)); req->r_stamp = jiffies; list_move_tail(&req->r_req_lru_item, &osdc->req_lru); @@ -1062,16 +1052,13 @@ static void __send_request(struct ceph_osd_client *osdc, /* * Send any requests in the queue (req_unsent). */ -static void send_queued(struct ceph_osd_client *osdc) +static void __send_queued(struct ceph_osd_client *osdc) { struct ceph_osd_request *req, *tmp; - dout("send_queued\n"); - mutex_lock(&osdc->request_mutex); - list_for_each_entry_safe(req, tmp, &osdc->req_unsent, r_req_lru_item) { + dout("__send_queued\n"); + list_for_each_entry_safe(req, tmp, &osdc->req_unsent, r_req_lru_item) __send_request(osdc, req); - } - mutex_unlock(&osdc->request_mutex); } /* @@ -1123,8 +1110,8 @@ static void handle_timeout(struct work_struct *work) } __schedule_osd_timeout(osdc); + __send_queued(osdc); mutex_unlock(&osdc->request_mutex); - send_queued(osdc); up_read(&osdc->map_sem); } @@ -1152,6 +1139,26 @@ static void complete_request(struct ceph_osd_request *req) complete_all(&req->r_safe_completion); /* fsync waiter */ } +static int __decode_pgid(void **p, void *end, struct ceph_pg *pgid) +{ + __u8 v; + + ceph_decode_need(p, end, 1 + 8 + 4 + 4, bad); + v = ceph_decode_8(p); + if (v > 1) { + pr_warning("do not understand pg encoding %d > 1", v); + return -EINVAL; + } + pgid->pool = ceph_decode_64(p); + pgid->seed = ceph_decode_32(p); + *p += 4; + return 0; + +bad: + pr_warning("incomplete pg encoding"); + return -EINVAL; +} + /* * handle osd op reply. either call the callback if it is specified, * or do the completion to wake up the waiting thread. @@ -1159,22 +1166,42 @@ static void complete_request(struct ceph_osd_request *req) static void handle_reply(struct ceph_osd_client *osdc, struct ceph_msg *msg, struct ceph_connection *con) { - struct ceph_osd_reply_head *rhead = msg->front.iov_base; + void *p, *end; struct ceph_osd_request *req; u64 tid; - int numops, object_len, flags; + int object_len; + int numops, payload_len, flags; s32 result; + s32 retry_attempt; + struct ceph_pg pg; + int err; + u32 reassert_epoch; + u64 reassert_version; + u32 osdmap_epoch; + int i; tid = le64_to_cpu(msg->hdr.tid); - if (msg->front.iov_len < sizeof(*rhead)) - goto bad; - numops = le32_to_cpu(rhead->num_ops); - object_len = le32_to_cpu(rhead->object_len); - result = le32_to_cpu(rhead->result); - if (msg->front.iov_len != sizeof(*rhead) + object_len + - numops * sizeof(struct ceph_osd_op)) + dout("handle_reply %p tid %llu\n", msg, tid); + + p = msg->front.iov_base; + end = p + msg->front.iov_len; + + ceph_decode_need(&p, end, 4, bad); + object_len = ceph_decode_32(&p); + ceph_decode_need(&p, end, object_len, bad); + p += object_len; + + err = __decode_pgid(&p, end, &pg); + if (err) goto bad; - dout("handle_reply %p tid %llu result %d\n", msg, tid, (int)result); + + ceph_decode_need(&p, end, 8 + 4 + 4 + 8 + 4, bad); + flags = ceph_decode_64(&p); + result = ceph_decode_32(&p); + reassert_epoch = ceph_decode_32(&p); + reassert_version = ceph_decode_64(&p); + osdmap_epoch = ceph_decode_32(&p); + /* lookup */ mutex_lock(&osdc->request_mutex); req = __lookup_request(osdc, tid); @@ -1184,7 +1211,38 @@ static void handle_reply(struct ceph_osd_client *osdc, struct ceph_msg *msg, return; } ceph_osdc_get_request(req); - flags = le32_to_cpu(rhead->flags); + + dout("handle_reply %p tid %llu req %p result %d\n", msg, tid, + req, result); + + ceph_decode_need(&p, end, 4, bad); + numops = ceph_decode_32(&p); + if (numops > CEPH_OSD_MAX_OP) + goto bad_put; + if (numops != req->r_num_ops) + goto bad_put; + payload_len = 0; + ceph_decode_need(&p, end, numops * sizeof(struct ceph_osd_op), bad); + for (i = 0; i < numops; i++) { + struct ceph_osd_op *op = p; + int len; + + len = le32_to_cpu(op->payload_len); + req->r_reply_op_len[i] = len; + dout(" op %d has %d bytes\n", i, len); + payload_len += len; + p += sizeof(*op); + } + if (payload_len != le32_to_cpu(msg->hdr.data_len)) { + pr_warning("sum of op payload lens %d != data_len %d", + payload_len, le32_to_cpu(msg->hdr.data_len)); + goto bad_put; + } + + ceph_decode_need(&p, end, 4 + numops * 4, bad); + retry_attempt = ceph_decode_32(&p); + for (i = 0; i < numops; i++) + req->r_reply_op_result[i] = ceph_decode_32(&p); /* * if this connection filled our message, drop our reference now, to @@ -1199,7 +1257,7 @@ static void handle_reply(struct ceph_osd_client *osdc, struct ceph_msg *msg, if (!req->r_got_reply) { unsigned int bytes; - req->r_result = le32_to_cpu(rhead->result); + req->r_result = result; bytes = le32_to_cpu(msg->hdr.data_len); dout("handle_reply result %d bytes %d\n", req->r_result, bytes); @@ -1207,7 +1265,8 @@ static void handle_reply(struct ceph_osd_client *osdc, struct ceph_msg *msg, req->r_result = bytes; /* in case this is a write and we need to replay, */ - req->r_reassert_version = rhead->reassert_version; + req->r_reassert_version.epoch = cpu_to_le32(reassert_epoch); + req->r_reassert_version.version = cpu_to_le64(reassert_version); req->r_got_reply = 1; } else if ((flags & CEPH_OSD_FLAG_ONDISK) == 0) { @@ -1242,10 +1301,11 @@ done: ceph_osdc_put_request(req); return; +bad_put: + ceph_osdc_put_request(req); bad: - pr_err("corrupt osd_op_reply got %d %d expected %d\n", - (int)msg->front.iov_len, le32_to_cpu(msg->hdr.front_len), - (int)sizeof(*rhead)); + pr_err("corrupt osd_op_reply got %d %d\n", + (int)msg->front.iov_len, le32_to_cpu(msg->hdr.front_len)); ceph_msg_dump(msg); } @@ -1462,7 +1522,9 @@ done: if (ceph_osdmap_flag(osdc->osdmap, CEPH_OSDMAP_FULL)) ceph_monc_request_next_osdmap(&osdc->client->monc); - send_queued(osdc); + mutex_lock(&osdc->request_mutex); + __send_queued(osdc); + mutex_unlock(&osdc->request_mutex); up_read(&osdc->map_sem); wake_up_all(&osdc->client->auth_wq); return; @@ -1556,8 +1618,7 @@ static void __remove_event(struct ceph_osd_event *event) int ceph_osdc_create_event(struct ceph_osd_client *osdc, void (*event_cb)(u64, u64, u8, void *), - int one_shot, void *data, - struct ceph_osd_event **pevent) + void *data, struct ceph_osd_event **pevent) { struct ceph_osd_event *event; @@ -1567,14 +1628,13 @@ int ceph_osdc_create_event(struct ceph_osd_client *osdc, dout("create_event %p\n", event); event->cb = event_cb; - event->one_shot = one_shot; + event->one_shot = 0; event->data = data; event->osdc = osdc; INIT_LIST_HEAD(&event->osd_node); RB_CLEAR_NODE(&event->node); kref_init(&event->kref); /* one ref for us */ kref_get(&event->kref); /* one ref for the caller */ - init_completion(&event->completion); spin_lock(&osdc->event_lock); event->cookie = ++osdc->event_count; @@ -1610,7 +1670,6 @@ static void do_event_work(struct work_struct *work) dout("do_event_work completing %p\n", event); event->cb(ver, notify_id, opcode, event->data); - complete(&event->completion); dout("do_event_work completed %p\n", event); ceph_osdc_put_event(event); kfree(event_work); @@ -1620,7 +1679,8 @@ static void do_event_work(struct work_struct *work) /* * Process osd watch notifications */ -void handle_watch_notify(struct ceph_osd_client *osdc, struct ceph_msg *msg) +static void handle_watch_notify(struct ceph_osd_client *osdc, + struct ceph_msg *msg) { void *p, *end; u8 proto_ver; @@ -1641,9 +1701,8 @@ void handle_watch_notify(struct ceph_osd_client *osdc, struct ceph_msg *msg) spin_lock(&osdc->event_lock); event = __find_event(osdc, cookie); if (event) { + BUG_ON(event->one_shot); get_event(event); - if (event->one_shot) - __remove_event(event); } spin_unlock(&osdc->event_lock); dout("handle_watch_notify cookie %lld ver %lld event %p\n", @@ -1668,7 +1727,6 @@ void handle_watch_notify(struct ceph_osd_client *osdc, struct ceph_msg *msg) return; done_err: - complete(&event->completion); ceph_osdc_put_event(event); return; @@ -1677,21 +1735,6 @@ bad: return; } -int ceph_osdc_wait_event(struct ceph_osd_event *event, unsigned long timeout) -{ - int err; - - dout("wait_event %p\n", event); - err = wait_for_completion_interruptible_timeout(&event->completion, - timeout * HZ); - ceph_osdc_put_event(event); - if (err > 0) - err = 0; - dout("wait_event %p returns %d\n", event, err); - return err; -} -EXPORT_SYMBOL(ceph_osdc_wait_event); - /* * Register request, send initial attempt. */ @@ -1706,7 +1749,7 @@ int ceph_osdc_start_request(struct ceph_osd_client *osdc, #ifdef CONFIG_BLOCK req->r_request->bio = req->r_bio; #endif - req->r_request->trail = req->r_trail; + req->r_request->trail = &req->r_trail; register_request(osdc, req); @@ -1865,7 +1908,6 @@ out_mempool: out: return err; } -EXPORT_SYMBOL(ceph_osdc_init); void ceph_osdc_stop(struct ceph_osd_client *osdc) { @@ -1882,7 +1924,6 @@ void ceph_osdc_stop(struct ceph_osd_client *osdc) ceph_msgpool_destroy(&osdc->msgpool_op); ceph_msgpool_destroy(&osdc->msgpool_op_reply); } -EXPORT_SYMBOL(ceph_osdc_stop); /* * Read some contiguous pages. If we cross a stripe boundary, shorten @@ -1902,7 +1943,7 @@ int ceph_osdc_readpages(struct ceph_osd_client *osdc, req = ceph_osdc_new_request(osdc, layout, vino, off, plen, CEPH_OSD_OP_READ, CEPH_OSD_FLAG_READ, NULL, 0, truncate_seq, truncate_size, NULL, - false, 1, page_align); + false, page_align); if (IS_ERR(req)) return PTR_ERR(req); @@ -1931,8 +1972,7 @@ int ceph_osdc_writepages(struct ceph_osd_client *osdc, struct ceph_vino vino, u64 off, u64 len, u32 truncate_seq, u64 truncate_size, struct timespec *mtime, - struct page **pages, int num_pages, - int flags, int do_sync, bool nofail) + struct page **pages, int num_pages) { struct ceph_osd_request *req; int rc = 0; @@ -1941,11 +1981,10 @@ int ceph_osdc_writepages(struct ceph_osd_client *osdc, struct ceph_vino vino, BUG_ON(vino.snap != CEPH_NOSNAP); req = ceph_osdc_new_request(osdc, layout, vino, off, &len, CEPH_OSD_OP_WRITE, - flags | CEPH_OSD_FLAG_ONDISK | - CEPH_OSD_FLAG_WRITE, - snapc, do_sync, + CEPH_OSD_FLAG_ONDISK | CEPH_OSD_FLAG_WRITE, + snapc, 0, truncate_seq, truncate_size, mtime, - nofail, 1, page_align); + true, page_align); if (IS_ERR(req)) return PTR_ERR(req); @@ -1954,7 +1993,7 @@ int ceph_osdc_writepages(struct ceph_osd_client *osdc, struct ceph_vino vino, dout("writepages %llu~%llu (%d pages)\n", off, len, req->r_num_pages); - rc = ceph_osdc_start_request(osdc, req, nofail); + rc = ceph_osdc_start_request(osdc, req, true); if (!rc) rc = ceph_osdc_wait_request(osdc, req); @@ -2047,7 +2086,7 @@ static struct ceph_msg *get_reply(struct ceph_connection *con, if (data_len > 0) { int want = calc_pages_for(req->r_page_alignment, data_len); - if (unlikely(req->r_num_pages < want)) { + if (req->r_pages && unlikely(req->r_num_pages < want)) { pr_warning("tid %lld reply has %d bytes %d pages, we" " had only %d pages ready\n", tid, data_len, want, req->r_num_pages); diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c index de73214..69bc4bf 100644 --- a/net/ceph/osdmap.c +++ b/net/ceph/osdmap.c @@ -13,26 +13,18 @@ char *ceph_osdmap_state_str(char *str, int len, int state) { - int flag = 0; - if (!len) - goto done; - - *str = '\0'; - if (state) { - if (state & CEPH_OSD_EXISTS) { - snprintf(str, len, "exists"); - flag = 1; - } - if (state & CEPH_OSD_UP) { - snprintf(str, len, "%s%s%s", str, (flag ? ", " : ""), - "up"); - flag = 1; - } - } else { + return str; + + if ((state & CEPH_OSD_EXISTS) && (state & CEPH_OSD_UP)) + snprintf(str, len, "exists, up"); + else if (state & CEPH_OSD_EXISTS) + snprintf(str, len, "exists"); + else if (state & CEPH_OSD_UP) + snprintf(str, len, "up"); + else snprintf(str, len, "doesn't exist"); - } -done: + return str; } @@ -53,13 +45,8 @@ static int calc_bits_of(unsigned int t) */ static void calc_pg_masks(struct ceph_pg_pool_info *pi) { - pi->pg_num_mask = (1 << calc_bits_of(le32_to_cpu(pi->v.pg_num)-1)) - 1; - pi->pgp_num_mask = - (1 << calc_bits_of(le32_to_cpu(pi->v.pgp_num)-1)) - 1; - pi->lpg_num_mask = - (1 << calc_bits_of(le32_to_cpu(pi->v.lpg_num)-1)) - 1; - pi->lpgp_num_mask = - (1 << calc_bits_of(le32_to_cpu(pi->v.lpgp_num)-1)) - 1; + pi->pg_num_mask = (1 << calc_bits_of(pi->pg_num-1)) - 1; + pi->pgp_num_mask = (1 << calc_bits_of(pi->pgp_num-1)) - 1; } /* @@ -170,6 +157,7 @@ static struct crush_map *crush_decode(void *pbyval, void *end) c->choose_local_tries = 2; c->choose_local_fallback_tries = 5; c->choose_total_tries = 19; + c->chooseleaf_descend_once = 0; ceph_decode_need(p, end, 4*sizeof(u32), bad); magic = ceph_decode_32(p); @@ -336,6 +324,11 @@ static struct crush_map *crush_decode(void *pbyval, void *end) dout("crush decode tunable choose_total_tries = %d", c->choose_total_tries); + ceph_decode_need(p, end, sizeof(u32), done); + c->chooseleaf_descend_once = ceph_decode_32(p); + dout("crush decode tunable chooseleaf_descend_once = %d", + c->chooseleaf_descend_once); + done: dout("crush_decode success\n"); return c; @@ -354,12 +347,13 @@ bad: */ static int pgid_cmp(struct ceph_pg l, struct ceph_pg r) { - u64 a = *(u64 *)&l; - u64 b = *(u64 *)&r; - - if (a < b) + if (l.pool < r.pool) + return -1; + if (l.pool > r.pool) + return 1; + if (l.seed < r.seed) return -1; - if (a > b) + if (l.seed > r.seed) return 1; return 0; } @@ -405,8 +399,8 @@ static struct ceph_pg_mapping *__lookup_pg_mapping(struct rb_root *root, } else if (c > 0) { n = n->rb_right; } else { - dout("__lookup_pg_mapping %llx got %p\n", - *(u64 *)&pgid, pg); + dout("__lookup_pg_mapping %lld.%x got %p\n", + pgid.pool, pgid.seed, pg); return pg; } } @@ -418,12 +412,13 @@ static int __remove_pg_mapping(struct rb_root *root, struct ceph_pg pgid) struct ceph_pg_mapping *pg = __lookup_pg_mapping(root, pgid); if (pg) { - dout("__remove_pg_mapping %llx %p\n", *(u64 *)&pgid, pg); + dout("__remove_pg_mapping %lld.%x %p\n", pgid.pool, pgid.seed, + pg); rb_erase(&pg->node, root); kfree(pg); return 0; } - dout("__remove_pg_mapping %llx dne\n", *(u64 *)&pgid); + dout("__remove_pg_mapping %lld.%x dne\n", pgid.pool, pgid.seed); return -ENOENT; } @@ -452,7 +447,7 @@ static int __insert_pg_pool(struct rb_root *root, struct ceph_pg_pool_info *new) return 0; } -static struct ceph_pg_pool_info *__lookup_pg_pool(struct rb_root *root, int id) +static struct ceph_pg_pool_info *__lookup_pg_pool(struct rb_root *root, u64 id) { struct ceph_pg_pool_info *pi; struct rb_node *n = root->rb_node; @@ -508,24 +503,57 @@ static void __remove_pg_pool(struct rb_root *root, struct ceph_pg_pool_info *pi) static int __decode_pool(void **p, void *end, struct ceph_pg_pool_info *pi) { - unsigned int n, m; + u8 ev, cv; + unsigned len, num; + void *pool_end; + + ceph_decode_need(p, end, 2 + 4, bad); + ev = ceph_decode_8(p); /* encoding version */ + cv = ceph_decode_8(p); /* compat version */ + if (ev < 5) { + pr_warning("got v %d < 5 cv %d of ceph_pg_pool\n", ev, cv); + return -EINVAL; + } + if (cv > 7) { + pr_warning("got v %d cv %d > 7 of ceph_pg_pool\n", ev, cv); + return -EINVAL; + } + len = ceph_decode_32(p); + ceph_decode_need(p, end, len, bad); + pool_end = *p + len; - ceph_decode_copy(p, &pi->v, sizeof(pi->v)); - calc_pg_masks(pi); + pi->type = ceph_decode_8(p); + pi->size = ceph_decode_8(p); + pi->crush_ruleset = ceph_decode_8(p); + pi->object_hash = ceph_decode_8(p); + + pi->pg_num = ceph_decode_32(p); + pi->pgp_num = ceph_decode_32(p); + + *p += 4 + 4; /* skip lpg* */ + *p += 4; /* skip last_change */ + *p += 8 + 4; /* skip snap_seq, snap_epoch */ - /* num_snaps * snap_info_t */ - n = le32_to_cpu(pi->v.num_snaps); - while (n--) { - ceph_decode_need(p, end, sizeof(u64) + 1 + sizeof(u64) + - sizeof(struct ceph_timespec), bad); - *p += sizeof(u64) + /* key */ - 1 + sizeof(u64) + /* u8, snapid */ - sizeof(struct ceph_timespec); - m = ceph_decode_32(p); /* snap name */ - *p += m; + /* skip snaps */ + num = ceph_decode_32(p); + while (num--) { + *p += 8; /* snapid key */ + *p += 1 + 1; /* versions */ + len = ceph_decode_32(p); + *p += len; } - *p += le32_to_cpu(pi->v.num_removed_snap_intervals) * sizeof(u64) * 2; + /* skip removed snaps */ + num = ceph_decode_32(p); + *p += num * (8 + 8); + + *p += 8; /* skip auid */ + pi->flags = ceph_decode_64(p); + + /* ignore the rest */ + + *p = pool_end; + calc_pg_masks(pi); return 0; bad: @@ -535,14 +563,15 @@ bad: static int __decode_pool_names(void **p, void *end, struct ceph_osdmap *map) { struct ceph_pg_pool_info *pi; - u32 num, len, pool; + u32 num, len; + u64 pool; ceph_decode_32_safe(p, end, num, bad); dout(" %d pool names\n", num); while (num--) { - ceph_decode_32_safe(p, end, pool, bad); + ceph_decode_64_safe(p, end, pool, bad); ceph_decode_32_safe(p, end, len, bad); - dout(" pool %d len %d\n", pool, len); + dout(" pool %llu len %d\n", pool, len); ceph_decode_need(p, end, len, bad); pi = __lookup_pg_pool(&map->pg_pools, pool); if (pi) { @@ -633,7 +662,6 @@ struct ceph_osdmap *osdmap_decode(void **p, void *end) struct ceph_osdmap *map; u16 version; u32 len, max, i; - u8 ev; int err = -EINVAL; void *start = *p; struct ceph_pg_pool_info *pi; @@ -646,9 +674,12 @@ struct ceph_osdmap *osdmap_decode(void **p, void *end) map->pg_temp = RB_ROOT; ceph_decode_16_safe(p, end, version, bad); - if (version > CEPH_OSDMAP_VERSION) { - pr_warning("got unknown v %d > %d of osdmap\n", version, - CEPH_OSDMAP_VERSION); + if (version > 6) { + pr_warning("got unknown v %d > 6 of osdmap\n", version); + goto bad; + } + if (version < 6) { + pr_warning("got old v %d < 6 of osdmap\n", version); goto bad; } @@ -660,20 +691,12 @@ struct ceph_osdmap *osdmap_decode(void **p, void *end) ceph_decode_32_safe(p, end, max, bad); while (max--) { - ceph_decode_need(p, end, 4 + 1 + sizeof(pi->v), bad); + ceph_decode_need(p, end, 8 + 2, bad); err = -ENOMEM; pi = kzalloc(sizeof(*pi), GFP_NOFS); if (!pi) goto bad; - pi->id = ceph_decode_32(p); - err = -EINVAL; - ev = ceph_decode_8(p); /* encoding version */ - if (ev > CEPH_PG_POOL_VERSION) { - pr_warning("got unknown v %d > %d of ceph_pg_pool\n", - ev, CEPH_PG_POOL_VERSION); - kfree(pi); - goto bad; - } + pi->id = ceph_decode_64(p); err = __decode_pool(p, end, pi); if (err < 0) { kfree(pi); @@ -682,12 +705,10 @@ struct ceph_osdmap *osdmap_decode(void **p, void *end) __insert_pg_pool(&map->pg_pools, pi); } - if (version >= 5) { - err = __decode_pool_names(p, end, map); - if (err < 0) { - dout("fail to decode pool names"); - goto bad; - } + err = __decode_pool_names(p, end, map); + if (err < 0) { + dout("fail to decode pool names"); + goto bad; } ceph_decode_32_safe(p, end, map->pool_max, bad); @@ -724,10 +745,13 @@ struct ceph_osdmap *osdmap_decode(void **p, void *end) for (i = 0; i < len; i++) { int n, j; struct ceph_pg pgid; + struct ceph_pg_v1 pgid_v1; struct ceph_pg_mapping *pg; ceph_decode_need(p, end, sizeof(u32) + sizeof(u64), bad); - ceph_decode_copy(p, &pgid, sizeof(pgid)); + ceph_decode_copy(p, &pgid_v1, sizeof(pgid_v1)); + pgid.pool = le32_to_cpu(pgid_v1.pool); + pgid.seed = le16_to_cpu(pgid_v1.ps); n = ceph_decode_32(p); err = -EINVAL; if (n > (UINT_MAX - sizeof(*pg)) / sizeof(u32)) @@ -745,7 +769,8 @@ struct ceph_osdmap *osdmap_decode(void **p, void *end) err = __insert_pg_mapping(pg, &map->pg_temp); if (err) goto bad; - dout(" added pg_temp %llx len %d\n", *(u64 *)&pgid, len); + dout(" added pg_temp %lld.%x len %d\n", pgid.pool, pgid.seed, + len); } /* crush */ @@ -784,16 +809,17 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end, struct ceph_fsid fsid; u32 epoch = 0; struct ceph_timespec modified; - u32 len, pool; - __s32 new_pool_max, new_flags, max; + s32 len; + u64 pool; + __s64 new_pool_max; + __s32 new_flags, max; void *start = *p; int err = -EINVAL; u16 version; ceph_decode_16_safe(p, end, version, bad); - if (version > CEPH_OSDMAP_INC_VERSION) { - pr_warning("got unknown v %d > %d of inc osdmap\n", version, - CEPH_OSDMAP_INC_VERSION); + if (version > 6) { + pr_warning("got unknown v %d > %d of inc osdmap\n", version, 6); goto bad; } @@ -803,7 +829,7 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end, epoch = ceph_decode_32(p); BUG_ON(epoch != map->epoch+1); ceph_decode_copy(p, &modified, sizeof(modified)); - new_pool_max = ceph_decode_32(p); + new_pool_max = ceph_decode_64(p); new_flags = ceph_decode_32(p); /* full map? */ @@ -853,18 +879,9 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end, /* new_pool */ ceph_decode_32_safe(p, end, len, bad); while (len--) { - __u8 ev; struct ceph_pg_pool_info *pi; - ceph_decode_32_safe(p, end, pool, bad); - ceph_decode_need(p, end, 1 + sizeof(pi->v), bad); - ev = ceph_decode_8(p); /* encoding version */ - if (ev > CEPH_PG_POOL_VERSION) { - pr_warning("got unknown v %d > %d of ceph_pg_pool\n", - ev, CEPH_PG_POOL_VERSION); - err = -EINVAL; - goto bad; - } + ceph_decode_64_safe(p, end, pool, bad); pi = __lookup_pg_pool(&map->pg_pools, pool); if (!pi) { pi = kzalloc(sizeof(*pi), GFP_NOFS); @@ -890,7 +907,7 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end, while (len--) { struct ceph_pg_pool_info *pi; - ceph_decode_32_safe(p, end, pool, bad); + ceph_decode_64_safe(p, end, pool, bad); pi = __lookup_pg_pool(&map->pg_pools, pool); if (pi) __remove_pg_pool(&map->pg_pools, pi); @@ -946,10 +963,13 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end, while (len--) { struct ceph_pg_mapping *pg; int j; + struct ceph_pg_v1 pgid_v1; struct ceph_pg pgid; u32 pglen; ceph_decode_need(p, end, sizeof(u64) + sizeof(u32), bad); - ceph_decode_copy(p, &pgid, sizeof(pgid)); + ceph_decode_copy(p, &pgid_v1, sizeof(pgid_v1)); + pgid.pool = le32_to_cpu(pgid_v1.pool); + pgid.seed = le16_to_cpu(pgid_v1.ps); pglen = ceph_decode_32(p); if (pglen) { @@ -975,8 +995,8 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end, kfree(pg); goto bad; } - dout(" added pg_temp %llx len %d\n", *(u64 *)&pgid, - pglen); + dout(" added pg_temp %lld.%x len %d\n", pgid.pool, + pgid.seed, pglen); } else { /* remove */ __remove_pg_mapping(&map->pg_temp, pgid); @@ -1010,7 +1030,7 @@ bad: * pass a stride back to the caller. */ int ceph_calc_file_object_mapping(struct ceph_file_layout *layout, - u64 off, u64 *plen, + u64 off, u64 len, u64 *ono, u64 *oxoff, u64 *oxlen) { @@ -1021,7 +1041,7 @@ int ceph_calc_file_object_mapping(struct ceph_file_layout *layout, u32 su_per_object; u64 t, su_offset; - dout("mapping %llu~%llu osize %u fl_su %u\n", off, *plen, + dout("mapping %llu~%llu osize %u fl_su %u\n", off, len, osize, su); if (su == 0 || sc == 0) goto invalid; @@ -1054,11 +1074,10 @@ int ceph_calc_file_object_mapping(struct ceph_file_layout *layout, /* * Calculate the length of the extent being written to the selected - * object. This is the minimum of the full length requested (plen) or + * object. This is the minimum of the full length requested (len) or * the remainder of the current stripe being written to. */ - *oxlen = min_t(u64, *plen, su - su_offset); - *plen = *oxlen; + *oxlen = min_t(u64, len, su - su_offset); dout(" obj extent %llu~%llu\n", *oxoff, *oxlen); return 0; @@ -1076,33 +1095,24 @@ EXPORT_SYMBOL(ceph_calc_file_object_mapping); * calculate an object layout (i.e. pgid) from an oid, * file_layout, and osdmap */ -int ceph_calc_object_layout(struct ceph_object_layout *ol, +int ceph_calc_object_layout(struct ceph_pg *pg, const char *oid, struct ceph_file_layout *fl, struct ceph_osdmap *osdmap) { unsigned int num, num_mask; - struct ceph_pg pgid; - int poolid = le32_to_cpu(fl->fl_pg_pool); struct ceph_pg_pool_info *pool; - unsigned int ps; BUG_ON(!osdmap); - - pool = __lookup_pg_pool(&osdmap->pg_pools, poolid); + pg->pool = le32_to_cpu(fl->fl_pg_pool); + pool = __lookup_pg_pool(&osdmap->pg_pools, pg->pool); if (!pool) return -EIO; - ps = ceph_str_hash(pool->v.object_hash, oid, strlen(oid)); - num = le32_to_cpu(pool->v.pg_num); + pg->seed = ceph_str_hash(pool->object_hash, oid, strlen(oid)); + num = pool->pg_num; num_mask = pool->pg_num_mask; - pgid.ps = cpu_to_le16(ps); - pgid.preferred = cpu_to_le16(-1); - pgid.pool = fl->fl_pg_pool; - dout("calc_object_layout '%s' pgid %d.%x\n", oid, poolid, ps); - - ol->ol_pgid = pgid; - ol->ol_stripe_unit = fl->fl_object_stripe_unit; + dout("calc_object_layout '%s' pgid %lld.%x\n", oid, pg->pool, pg->seed); return 0; } EXPORT_SYMBOL(ceph_calc_object_layout); @@ -1117,19 +1127,16 @@ static int *calc_pg_raw(struct ceph_osdmap *osdmap, struct ceph_pg pgid, struct ceph_pg_mapping *pg; struct ceph_pg_pool_info *pool; int ruleno; - unsigned int poolid, ps, pps, t, r; - - poolid = le32_to_cpu(pgid.pool); - ps = le16_to_cpu(pgid.ps); + int r; + u32 pps; - pool = __lookup_pg_pool(&osdmap->pg_pools, poolid); + pool = __lookup_pg_pool(&osdmap->pg_pools, pgid.pool); if (!pool) return NULL; /* pg_temp? */ - t = ceph_stable_mod(ps, le32_to_cpu(pool->v.pg_num), - pool->pgp_num_mask); - pgid.ps = cpu_to_le16(t); + pgid.seed = ceph_stable_mod(pgid.seed, pool->pg_num, + pool->pgp_num_mask); pg = __lookup_pg_mapping(&osdmap->pg_temp, pgid); if (pg) { *num = pg->len; @@ -1137,26 +1144,39 @@ static int *calc_pg_raw(struct ceph_osdmap *osdmap, struct ceph_pg pgid, } /* crush */ - ruleno = crush_find_rule(osdmap->crush, pool->v.crush_ruleset, - pool->v.type, pool->v.size); + ruleno = crush_find_rule(osdmap->crush, pool->crush_ruleset, + pool->type, pool->size); if (ruleno < 0) { - pr_err("no crush rule pool %d ruleset %d type %d size %d\n", - poolid, pool->v.crush_ruleset, pool->v.type, - pool->v.size); + pr_err("no crush rule pool %lld ruleset %d type %d size %d\n", + pgid.pool, pool->crush_ruleset, pool->type, + pool->size); return NULL; } - pps = ceph_stable_mod(ps, - le32_to_cpu(pool->v.pgp_num), - pool->pgp_num_mask); - pps += poolid; + if (pool->flags & CEPH_POOL_FLAG_HASHPSPOOL) { + /* hash pool id and seed sothat pool PGs do not overlap */ + pps = crush_hash32_2(CRUSH_HASH_RJENKINS1, + ceph_stable_mod(pgid.seed, pool->pgp_num, + pool->pgp_num_mask), + pgid.pool); + } else { + /* + * legacy ehavior: add ps and pool together. this is + * not a great approach because the PGs from each pool + * will overlap on top of each other: 0.5 == 1.4 == + * 2.3 == ... + */ + pps = ceph_stable_mod(pgid.seed, pool->pgp_num, + pool->pgp_num_mask) + + (unsigned)pgid.pool; + } r = crush_do_rule(osdmap->crush, ruleno, pps, osds, - min_t(int, pool->v.size, *num), + min_t(int, pool->size, *num), osdmap->osd_weight); if (r < 0) { - pr_err("error %d from crush rule: pool %d ruleset %d type %d" - " size %d\n", r, poolid, pool->v.crush_ruleset, - pool->v.type, pool->v.size); + pr_err("error %d from crush rule: pool %lld ruleset %d type %d" + " size %d\n", r, pgid.pool, pool->crush_ruleset, + pool->type, pool->size); return NULL; } *num = r; diff --git a/net/ceph/pagevec.c b/net/ceph/pagevec.c index cd9c21d..815a224 100644 --- a/net/ceph/pagevec.c +++ b/net/ceph/pagevec.c @@ -12,7 +12,7 @@ /* * build a vector of user pages */ -struct page **ceph_get_direct_page_vector(const char __user *data, +struct page **ceph_get_direct_page_vector(const void __user *data, int num_pages, bool write_page) { struct page **pages; @@ -93,7 +93,7 @@ EXPORT_SYMBOL(ceph_alloc_page_vector); * copy user data into a page vector */ int ceph_copy_user_to_page_vector(struct page **pages, - const char __user *data, + const void __user *data, loff_t off, size_t len) { int i = 0; @@ -118,17 +118,17 @@ int ceph_copy_user_to_page_vector(struct page **pages, } EXPORT_SYMBOL(ceph_copy_user_to_page_vector); -int ceph_copy_to_page_vector(struct page **pages, - const char *data, +void ceph_copy_to_page_vector(struct page **pages, + const void *data, loff_t off, size_t len) { int i = 0; size_t po = off & ~PAGE_CACHE_MASK; size_t left = len; - size_t l; while (left > 0) { - l = min_t(size_t, PAGE_CACHE_SIZE-po, left); + size_t l = min_t(size_t, PAGE_CACHE_SIZE-po, left); + memcpy(page_address(pages[i]) + po, data, l); data += l; left -= l; @@ -138,21 +138,20 @@ int ceph_copy_to_page_vector(struct page **pages, i++; } } - return len; } EXPORT_SYMBOL(ceph_copy_to_page_vector); -int ceph_copy_from_page_vector(struct page **pages, - char *data, +void ceph_copy_from_page_vector(struct page **pages, + void *data, loff_t off, size_t len) { int i = 0; size_t po = off & ~PAGE_CACHE_MASK; size_t left = len; - size_t l; while (left > 0) { - l = min_t(size_t, PAGE_CACHE_SIZE-po, left); + size_t l = min_t(size_t, PAGE_CACHE_SIZE-po, left); + memcpy(data, page_address(pages[i]) + po, l); data += l; left -= l; @@ -162,7 +161,6 @@ int ceph_copy_from_page_vector(struct page **pages, i++; } } - return len; } EXPORT_SYMBOL(ceph_copy_from_page_vector); @@ -170,7 +168,7 @@ EXPORT_SYMBOL(ceph_copy_from_page_vector); * copy user data from a page vector into a user pointer */ int ceph_copy_page_vector_to_user(struct page **pages, - char __user *data, + void __user *data, loff_t off, size_t len) { int i = 0; diff --git a/net/core/dev.c b/net/core/dev.c index 18d8b5a..8f152f9 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -658,11 +658,10 @@ __setup("netdev=", netdev_boot_setup); struct net_device *__dev_get_by_name(struct net *net, const char *name) { - struct hlist_node *p; struct net_device *dev; struct hlist_head *head = dev_name_hash(net, name); - hlist_for_each_entry(dev, p, head, name_hlist) + hlist_for_each_entry(dev, head, name_hlist) if (!strncmp(dev->name, name, IFNAMSIZ)) return dev; @@ -684,11 +683,10 @@ EXPORT_SYMBOL(__dev_get_by_name); struct net_device *dev_get_by_name_rcu(struct net *net, const char *name) { - struct hlist_node *p; struct net_device *dev; struct hlist_head *head = dev_name_hash(net, name); - hlist_for_each_entry_rcu(dev, p, head, name_hlist) + hlist_for_each_entry_rcu(dev, head, name_hlist) if (!strncmp(dev->name, name, IFNAMSIZ)) return dev; @@ -735,11 +733,10 @@ EXPORT_SYMBOL(dev_get_by_name); struct net_device *__dev_get_by_index(struct net *net, int ifindex) { - struct hlist_node *p; struct net_device *dev; struct hlist_head *head = dev_index_hash(net, ifindex); - hlist_for_each_entry(dev, p, head, index_hlist) + hlist_for_each_entry(dev, head, index_hlist) if (dev->ifindex == ifindex) return dev; @@ -760,11 +757,10 @@ EXPORT_SYMBOL(__dev_get_by_index); struct net_device *dev_get_by_index_rcu(struct net *net, int ifindex) { - struct hlist_node *p; struct net_device *dev; struct hlist_head *head = dev_index_hash(net, ifindex); - hlist_for_each_entry_rcu(dev, p, head, index_hlist) + hlist_for_each_entry_rcu(dev, head, index_hlist) if (dev->ifindex == ifindex) return dev; @@ -4107,7 +4103,7 @@ static void net_rx_action(struct softirq_action *h) * Allow this to run for 2 jiffies since which will allow * an average latency of 1.5/HZ. */ - if (unlikely(budget <= 0 || time_after(jiffies, time_limit))) + if (unlikely(budget <= 0 || time_after_eq(jiffies, time_limit))) goto softnet_break; local_irq_enable(); @@ -4784,7 +4780,7 @@ EXPORT_SYMBOL(dev_set_mac_address); /** * dev_change_carrier - Change device carrier * @dev: device - * @new_carries: new value + * @new_carrier: new value * * Change device carrier */ diff --git a/net/core/flow.c b/net/core/flow.c index 43f7495..c56ea6f 100644 --- a/net/core/flow.c +++ b/net/core/flow.c @@ -132,14 +132,14 @@ static void __flow_cache_shrink(struct flow_cache *fc, int shrink_to) { struct flow_cache_entry *fle; - struct hlist_node *entry, *tmp; + struct hlist_node *tmp; LIST_HEAD(gc_list); int i, deleted = 0; for (i = 0; i < flow_cache_hash_size(fc); i++) { int saved = 0; - hlist_for_each_entry_safe(fle, entry, tmp, + hlist_for_each_entry_safe(fle, tmp, &fcp->hash_table[i], u.hlist) { if (saved < shrink_to && flow_entry_valid(fle)) { @@ -211,7 +211,6 @@ flow_cache_lookup(struct net *net, const struct flowi *key, u16 family, u8 dir, struct flow_cache *fc = &flow_cache_global; struct flow_cache_percpu *fcp; struct flow_cache_entry *fle, *tfle; - struct hlist_node *entry; struct flow_cache_object *flo; size_t keysize; unsigned int hash; @@ -235,7 +234,7 @@ flow_cache_lookup(struct net *net, const struct flowi *key, u16 family, u8 dir, flow_new_hash_rnd(fc, fcp); hash = flow_hash_code(fc, fcp, key, keysize); - hlist_for_each_entry(tfle, entry, &fcp->hash_table[hash], u.hlist) { + hlist_for_each_entry(tfle, &fcp->hash_table[hash], u.hlist) { if (tfle->net == net && tfle->family == family && tfle->dir == dir && @@ -301,13 +300,13 @@ static void flow_cache_flush_tasklet(unsigned long data) struct flow_cache *fc = info->cache; struct flow_cache_percpu *fcp; struct flow_cache_entry *fle; - struct hlist_node *entry, *tmp; + struct hlist_node *tmp; LIST_HEAD(gc_list); int i, deleted = 0; fcp = this_cpu_ptr(fc->percpu); for (i = 0; i < flow_cache_hash_size(fc); i++) { - hlist_for_each_entry_safe(fle, entry, tmp, + hlist_for_each_entry_safe(fle, tmp, &fcp->hash_table[i], u.hlist) { if (flow_entry_valid(fle)) continue; diff --git a/net/core/net-procfs.c b/net/core/net-procfs.c index 0f6bb6f..3174f19 100644 --- a/net/core/net-procfs.c +++ b/net/core/net-procfs.c @@ -16,12 +16,11 @@ static inline struct net_device *dev_from_same_bucket(struct seq_file *seq, loff { struct net *net = seq_file_net(seq); struct net_device *dev; - struct hlist_node *p; struct hlist_head *h; unsigned int count = 0, offset = get_offset(*pos); h = &net->dev_name_head[get_bucket(*pos)]; - hlist_for_each_entry_rcu(dev, p, h, name_hlist) { + hlist_for_each_entry_rcu(dev, h, name_hlist) { if (++count == offset) return dev; } diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c index 8acce01..80e271d 100644 --- a/net/core/net_namespace.c +++ b/net/core/net_namespace.c @@ -344,7 +344,7 @@ struct net *get_net_ns_by_fd(int fd) if (IS_ERR(file)) return ERR_CAST(file); - ei = PROC_I(file->f_dentry->d_inode); + ei = PROC_I(file_inode(file)); if (ei->ns_ops == &netns_operations) net = get_net(ei->ns); else diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index d8aa20f..b376410 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -1060,7 +1060,6 @@ static int rtnl_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb) int idx = 0, s_idx; struct net_device *dev; struct hlist_head *head; - struct hlist_node *node; struct nlattr *tb[IFLA_MAX+1]; u32 ext_filter_mask = 0; @@ -1080,7 +1079,7 @@ static int rtnl_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb) for (h = s_h; h < NETDEV_HASHENTRIES; h++, s_idx = 0) { idx = 0; head = &net->dev_index_head[h]; - hlist_for_each_entry_rcu(dev, node, head, index_hlist) { + hlist_for_each_entry_rcu(dev, head, index_hlist) { if (idx < s_idx) goto cont; if (rtnl_fill_ifinfo(skb, dev, RTM_NEWLINK, diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c index c4a2def..c21f200 100644 --- a/net/decnet/af_decnet.c +++ b/net/decnet/af_decnet.c @@ -175,12 +175,11 @@ static struct hlist_head *dn_find_list(struct sock *sk) static int check_port(__le16 port) { struct sock *sk; - struct hlist_node *node; if (port == 0) return -1; - sk_for_each(sk, node, &dn_sk_hash[le16_to_cpu(port) & DN_SK_HASH_MASK]) { + sk_for_each(sk, &dn_sk_hash[le16_to_cpu(port) & DN_SK_HASH_MASK]) { struct dn_scp *scp = DN_SK(sk); if (scp->addrloc == port) return -1; @@ -374,11 +373,10 @@ int dn_username2sockaddr(unsigned char *data, int len, struct sockaddr_dn *sdn, struct sock *dn_sklist_find_listener(struct sockaddr_dn *addr) { struct hlist_head *list = listen_hash(addr); - struct hlist_node *node; struct sock *sk; read_lock(&dn_hash_lock); - sk_for_each(sk, node, list) { + sk_for_each(sk, list) { struct dn_scp *scp = DN_SK(sk); if (sk->sk_state != TCP_LISTEN) continue; @@ -414,11 +412,10 @@ struct sock *dn_find_by_skb(struct sk_buff *skb) { struct dn_skb_cb *cb = DN_SKB_CB(skb); struct sock *sk; - struct hlist_node *node; struct dn_scp *scp; read_lock(&dn_hash_lock); - sk_for_each(sk, node, &dn_sk_hash[le16_to_cpu(cb->dst_port) & DN_SK_HASH_MASK]) { + sk_for_each(sk, &dn_sk_hash[le16_to_cpu(cb->dst_port) & DN_SK_HASH_MASK]) { scp = DN_SK(sk); if (cb->src != dn_saddr2dn(&scp->peer)) continue; diff --git a/net/decnet/dn_table.c b/net/decnet/dn_table.c index f968c1b..6c2445b 100644 --- a/net/decnet/dn_table.c +++ b/net/decnet/dn_table.c @@ -483,7 +483,6 @@ int dn_fib_dump(struct sk_buff *skb, struct netlink_callback *cb) unsigned int h, s_h; unsigned int e = 0, s_e; struct dn_fib_table *tb; - struct hlist_node *node; int dumped = 0; if (!net_eq(net, &init_net)) @@ -498,7 +497,7 @@ int dn_fib_dump(struct sk_buff *skb, struct netlink_callback *cb) for (h = s_h; h < DN_FIB_TABLE_HASHSZ; h++, s_h = 0) { e = 0; - hlist_for_each_entry(tb, node, &dn_fib_table_hash[h], hlist) { + hlist_for_each_entry(tb, &dn_fib_table_hash[h], hlist) { if (e < s_e) goto next; if (dumped) @@ -828,7 +827,6 @@ out: struct dn_fib_table *dn_fib_get_table(u32 n, int create) { struct dn_fib_table *t; - struct hlist_node *node; unsigned int h; if (n < RT_TABLE_MIN) @@ -839,7 +837,7 @@ struct dn_fib_table *dn_fib_get_table(u32 n, int create) h = n & (DN_FIB_TABLE_HASHSZ - 1); rcu_read_lock(); - hlist_for_each_entry_rcu(t, node, &dn_fib_table_hash[h], hlist) { + hlist_for_each_entry_rcu(t, &dn_fib_table_hash[h], hlist) { if (t->n == n) { rcu_read_unlock(); return t; @@ -885,11 +883,10 @@ void dn_fib_flush(void) { int flushed = 0; struct dn_fib_table *tb; - struct hlist_node *node; unsigned int h; for (h = 0; h < DN_FIB_TABLE_HASHSZ; h++) { - hlist_for_each_entry(tb, node, &dn_fib_table_hash[h], hlist) + hlist_for_each_entry(tb, &dn_fib_table_hash[h], hlist) flushed += tb->flush(tb); } @@ -908,12 +905,12 @@ void __init dn_fib_table_init(void) void __exit dn_fib_table_cleanup(void) { struct dn_fib_table *t; - struct hlist_node *node, *next; + struct hlist_node *next; unsigned int h; write_lock(&dn_fib_tables_lock); for (h = 0; h < DN_FIB_TABLE_HASHSZ; h++) { - hlist_for_each_entry_safe(t, node, next, &dn_fib_table_hash[h], + hlist_for_each_entry_safe(t, next, &dn_fib_table_hash[h], hlist) { hlist_del(&t->hlist); kfree(t); diff --git a/net/ieee802154/dgram.c b/net/ieee802154/dgram.c index 1670561..e0da175 100644 --- a/net/ieee802154/dgram.c +++ b/net/ieee802154/dgram.c @@ -350,7 +350,6 @@ static inline int ieee802154_match_sock(u8 *hw_addr, u16 pan_id, int ieee802154_dgram_deliver(struct net_device *dev, struct sk_buff *skb) { struct sock *sk, *prev = NULL; - struct hlist_node *node; int ret = NET_RX_SUCCESS; u16 pan_id, short_addr; @@ -361,7 +360,7 @@ int ieee802154_dgram_deliver(struct net_device *dev, struct sk_buff *skb) short_addr = ieee802154_mlme_ops(dev)->get_short_addr(dev); read_lock(&dgram_lock); - sk_for_each(sk, node, &dgram_head) { + sk_for_each(sk, &dgram_head) { if (ieee802154_match_sock(dev->dev_addr, pan_id, short_addr, dgram_sk(sk))) { if (prev) { diff --git a/net/ieee802154/raw.c b/net/ieee802154/raw.c index 50e8239..41f538b 100644 --- a/net/ieee802154/raw.c +++ b/net/ieee802154/raw.c @@ -221,10 +221,9 @@ static int raw_rcv_skb(struct sock *sk, struct sk_buff *skb) void ieee802154_raw_deliver(struct net_device *dev, struct sk_buff *skb) { struct sock *sk; - struct hlist_node *node; read_lock(&raw_lock); - sk_for_each(sk, node, &raw_head) { + sk_for_each(sk, &raw_head) { bh_lock_sock(sk); if (!sk->sk_bound_dev_if || sk->sk_bound_dev_if == dev->ifindex) { diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index 5281314..f678507 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -139,10 +139,9 @@ struct net_device *__ip_dev_find(struct net *net, __be32 addr, bool devref) u32 hash = inet_addr_hash(net, addr); struct net_device *result = NULL; struct in_ifaddr *ifa; - struct hlist_node *node; rcu_read_lock(); - hlist_for_each_entry_rcu(ifa, node, &inet_addr_lst[hash], hash) { + hlist_for_each_entry_rcu(ifa, &inet_addr_lst[hash], hash) { if (ifa->ifa_local == addr) { struct net_device *dev = ifa->ifa_dev->dev; @@ -588,7 +587,6 @@ static void check_lifetime(struct work_struct *work) { unsigned long now, next, next_sec, next_sched; struct in_ifaddr *ifa; - struct hlist_node *node; int i; now = jiffies; @@ -596,8 +594,7 @@ static void check_lifetime(struct work_struct *work) rcu_read_lock(); for (i = 0; i < IN4_ADDR_HSIZE; i++) { - hlist_for_each_entry_rcu(ifa, node, - &inet_addr_lst[i], hash) { + hlist_for_each_entry_rcu(ifa, &inet_addr_lst[i], hash) { unsigned long age; if (ifa->ifa_flags & IFA_F_PERMANENT) @@ -1493,7 +1490,6 @@ static int inet_dump_ifaddr(struct sk_buff *skb, struct netlink_callback *cb) struct in_device *in_dev; struct in_ifaddr *ifa; struct hlist_head *head; - struct hlist_node *node; s_h = cb->args[0]; s_idx = idx = cb->args[1]; @@ -1503,7 +1499,7 @@ static int inet_dump_ifaddr(struct sk_buff *skb, struct netlink_callback *cb) idx = 0; head = &net->dev_index_head[h]; rcu_read_lock(); - hlist_for_each_entry_rcu(dev, node, head, index_hlist) { + hlist_for_each_entry_rcu(dev, head, index_hlist) { if (idx < s_idx) goto cont; if (h > s_h || idx > s_idx) diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c index 99f00d3..eb4bb12 100644 --- a/net/ipv4/fib_frontend.c +++ b/net/ipv4/fib_frontend.c @@ -112,7 +112,6 @@ struct fib_table *fib_new_table(struct net *net, u32 id) struct fib_table *fib_get_table(struct net *net, u32 id) { struct fib_table *tb; - struct hlist_node *node; struct hlist_head *head; unsigned int h; @@ -122,7 +121,7 @@ struct fib_table *fib_get_table(struct net *net, u32 id) rcu_read_lock(); head = &net->ipv4.fib_table_hash[h]; - hlist_for_each_entry_rcu(tb, node, head, tb_hlist) { + hlist_for_each_entry_rcu(tb, head, tb_hlist) { if (tb->tb_id == id) { rcu_read_unlock(); return tb; @@ -137,13 +136,12 @@ static void fib_flush(struct net *net) { int flushed = 0; struct fib_table *tb; - struct hlist_node *node; struct hlist_head *head; unsigned int h; for (h = 0; h < FIB_TABLE_HASHSZ; h++) { head = &net->ipv4.fib_table_hash[h]; - hlist_for_each_entry(tb, node, head, tb_hlist) + hlist_for_each_entry(tb, head, tb_hlist) flushed += fib_table_flush(tb); } @@ -656,7 +654,6 @@ static int inet_dump_fib(struct sk_buff *skb, struct netlink_callback *cb) unsigned int h, s_h; unsigned int e = 0, s_e; struct fib_table *tb; - struct hlist_node *node; struct hlist_head *head; int dumped = 0; @@ -670,7 +667,7 @@ static int inet_dump_fib(struct sk_buff *skb, struct netlink_callback *cb) for (h = s_h; h < FIB_TABLE_HASHSZ; h++, s_e = 0) { e = 0; head = &net->ipv4.fib_table_hash[h]; - hlist_for_each_entry(tb, node, head, tb_hlist) { + hlist_for_each_entry(tb, head, tb_hlist) { if (e < s_e) goto next; if (dumped) @@ -1117,11 +1114,11 @@ static void ip_fib_net_exit(struct net *net) for (i = 0; i < FIB_TABLE_HASHSZ; i++) { struct fib_table *tb; struct hlist_head *head; - struct hlist_node *node, *tmp; + struct hlist_node *tmp; head = &net->ipv4.fib_table_hash[i]; - hlist_for_each_entry_safe(tb, node, tmp, head, tb_hlist) { - hlist_del(node); + hlist_for_each_entry_safe(tb, tmp, head, tb_hlist) { + hlist_del(&tb->tb_hlist); fib_table_flush(tb); fib_free_table(tb); } diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c index 4797a80..8f6cb7a 100644 --- a/net/ipv4/fib_semantics.c +++ b/net/ipv4/fib_semantics.c @@ -298,14 +298,13 @@ static inline unsigned int fib_info_hashfn(const struct fib_info *fi) static struct fib_info *fib_find_info(const struct fib_info *nfi) { struct hlist_head *head; - struct hlist_node *node; struct fib_info *fi; unsigned int hash; hash = fib_info_hashfn(nfi); head = &fib_info_hash[hash]; - hlist_for_each_entry(fi, node, head, fib_hash) { + hlist_for_each_entry(fi, head, fib_hash) { if (!net_eq(fi->fib_net, nfi->fib_net)) continue; if (fi->fib_nhs != nfi->fib_nhs) @@ -331,7 +330,6 @@ static struct fib_info *fib_find_info(const struct fib_info *nfi) int ip_fib_check_default(__be32 gw, struct net_device *dev) { struct hlist_head *head; - struct hlist_node *node; struct fib_nh *nh; unsigned int hash; @@ -339,7 +337,7 @@ int ip_fib_check_default(__be32 gw, struct net_device *dev) hash = fib_devindex_hashfn(dev->ifindex); head = &fib_info_devhash[hash]; - hlist_for_each_entry(nh, node, head, nh_hash) { + hlist_for_each_entry(nh, head, nh_hash) { if (nh->nh_dev == dev && nh->nh_gw == gw && !(nh->nh_flags & RTNH_F_DEAD)) { @@ -721,10 +719,10 @@ static void fib_info_hash_move(struct hlist_head *new_info_hash, for (i = 0; i < old_size; i++) { struct hlist_head *head = &fib_info_hash[i]; - struct hlist_node *node, *n; + struct hlist_node *n; struct fib_info *fi; - hlist_for_each_entry_safe(fi, node, n, head, fib_hash) { + hlist_for_each_entry_safe(fi, n, head, fib_hash) { struct hlist_head *dest; unsigned int new_hash; @@ -739,10 +737,10 @@ static void fib_info_hash_move(struct hlist_head *new_info_hash, for (i = 0; i < old_size; i++) { struct hlist_head *lhead = &fib_info_laddrhash[i]; - struct hlist_node *node, *n; + struct hlist_node *n; struct fib_info *fi; - hlist_for_each_entry_safe(fi, node, n, lhead, fib_lhash) { + hlist_for_each_entry_safe(fi, n, lhead, fib_lhash) { struct hlist_head *ldest; unsigned int new_hash; @@ -1096,13 +1094,12 @@ int fib_sync_down_addr(struct net *net, __be32 local) int ret = 0; unsigned int hash = fib_laddr_hashfn(local); struct hlist_head *head = &fib_info_laddrhash[hash]; - struct hlist_node *node; struct fib_info *fi; if (fib_info_laddrhash == NULL || local == 0) return 0; - hlist_for_each_entry(fi, node, head, fib_lhash) { + hlist_for_each_entry(fi, head, fib_lhash) { if (!net_eq(fi->fib_net, net)) continue; if (fi->fib_prefsrc == local) { @@ -1120,13 +1117,12 @@ int fib_sync_down_dev(struct net_device *dev, int force) struct fib_info *prev_fi = NULL; unsigned int hash = fib_devindex_hashfn(dev->ifindex); struct hlist_head *head = &fib_info_devhash[hash]; - struct hlist_node *node; struct fib_nh *nh; if (force) scope = -1; - hlist_for_each_entry(nh, node, head, nh_hash) { + hlist_for_each_entry(nh, head, nh_hash) { struct fib_info *fi = nh->nh_parent; int dead; @@ -1232,7 +1228,6 @@ int fib_sync_up(struct net_device *dev) struct fib_info *prev_fi; unsigned int hash; struct hlist_head *head; - struct hlist_node *node; struct fib_nh *nh; int ret; @@ -1244,7 +1239,7 @@ int fib_sync_up(struct net_device *dev) head = &fib_info_devhash[hash]; ret = 0; - hlist_for_each_entry(nh, node, head, nh_hash) { + hlist_for_each_entry(nh, head, nh_hash) { struct fib_info *fi = nh->nh_parent; int alive; diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c index 61e03da..ff06b75 100644 --- a/net/ipv4/fib_trie.c +++ b/net/ipv4/fib_trie.c @@ -920,10 +920,9 @@ nomem: static struct leaf_info *find_leaf_info(struct leaf *l, int plen) { struct hlist_head *head = &l->list; - struct hlist_node *node; struct leaf_info *li; - hlist_for_each_entry_rcu(li, node, head, hlist) + hlist_for_each_entry_rcu(li, head, hlist) if (li->plen == plen) return li; @@ -943,12 +942,11 @@ static inline struct list_head *get_fa_head(struct leaf *l, int plen) static void insert_leaf_info(struct hlist_head *head, struct leaf_info *new) { struct leaf_info *li = NULL, *last = NULL; - struct hlist_node *node; if (hlist_empty(head)) { hlist_add_head_rcu(&new->hlist, head); } else { - hlist_for_each_entry(li, node, head, hlist) { + hlist_for_each_entry(li, head, hlist) { if (new->plen > li->plen) break; @@ -1354,9 +1352,8 @@ static int check_leaf(struct fib_table *tb, struct trie *t, struct leaf *l, { struct leaf_info *li; struct hlist_head *hhead = &l->list; - struct hlist_node *node; - hlist_for_each_entry_rcu(li, node, hhead, hlist) { + hlist_for_each_entry_rcu(li, hhead, hlist) { struct fib_alias *fa; if (l->key != (key & li->mask_plen)) @@ -1740,10 +1737,10 @@ static int trie_flush_leaf(struct leaf *l) { int found = 0; struct hlist_head *lih = &l->list; - struct hlist_node *node, *tmp; + struct hlist_node *tmp; struct leaf_info *li = NULL; - hlist_for_each_entry_safe(li, node, tmp, lih, hlist) { + hlist_for_each_entry_safe(li, tmp, lih, hlist) { found += trie_flush_list(&li->falh); if (list_empty(&li->falh)) { @@ -1895,14 +1892,13 @@ static int fn_trie_dump_leaf(struct leaf *l, struct fib_table *tb, struct sk_buff *skb, struct netlink_callback *cb) { struct leaf_info *li; - struct hlist_node *node; int i, s_i; s_i = cb->args[4]; i = 0; /* rcu_read_lock is hold by caller */ - hlist_for_each_entry_rcu(li, node, &l->list, hlist) { + hlist_for_each_entry_rcu(li, &l->list, hlist) { if (i < s_i) { i++; continue; @@ -2092,14 +2088,13 @@ static void trie_collect_stats(struct trie *t, struct trie_stat *s) if (IS_LEAF(n)) { struct leaf *l = (struct leaf *)n; struct leaf_info *li; - struct hlist_node *tmp; s->leaves++; s->totdepth += iter.depth; if (iter.depth > s->maxdepth) s->maxdepth = iter.depth; - hlist_for_each_entry_rcu(li, tmp, &l->list, hlist) + hlist_for_each_entry_rcu(li, &l->list, hlist) ++s->prefixes; } else { const struct tnode *tn = (const struct tnode *) n; @@ -2200,10 +2195,9 @@ static int fib_triestat_seq_show(struct seq_file *seq, void *v) for (h = 0; h < FIB_TABLE_HASHSZ; h++) { struct hlist_head *head = &net->ipv4.fib_table_hash[h]; - struct hlist_node *node; struct fib_table *tb; - hlist_for_each_entry_rcu(tb, node, head, tb_hlist) { + hlist_for_each_entry_rcu(tb, head, tb_hlist) { struct trie *t = (struct trie *) tb->tb_data; struct trie_stat stat; @@ -2245,10 +2239,9 @@ static struct rt_trie_node *fib_trie_get_idx(struct seq_file *seq, loff_t pos) for (h = 0; h < FIB_TABLE_HASHSZ; h++) { struct hlist_head *head = &net->ipv4.fib_table_hash[h]; - struct hlist_node *node; struct fib_table *tb; - hlist_for_each_entry_rcu(tb, node, head, tb_hlist) { + hlist_for_each_entry_rcu(tb, head, tb_hlist) { struct rt_trie_node *n; for (n = fib_trie_get_first(iter, @@ -2298,7 +2291,7 @@ static void *fib_trie_seq_next(struct seq_file *seq, void *v, loff_t *pos) /* new hash chain */ while (++h < FIB_TABLE_HASHSZ) { struct hlist_head *head = &net->ipv4.fib_table_hash[h]; - hlist_for_each_entry_rcu(tb, tb_node, head, tb_hlist) { + hlist_for_each_entry_rcu(tb, head, tb_hlist) { n = fib_trie_get_first(iter, (struct trie *) tb->tb_data); if (n) goto found; @@ -2381,13 +2374,12 @@ static int fib_trie_seq_show(struct seq_file *seq, void *v) } else { struct leaf *l = (struct leaf *) n; struct leaf_info *li; - struct hlist_node *node; __be32 val = htonl(l->key); seq_indent(seq, iter->depth); seq_printf(seq, " |-- %pI4\n", &val); - hlist_for_each_entry_rcu(li, node, &l->list, hlist) { + hlist_for_each_entry_rcu(li, &l->list, hlist) { struct fib_alias *fa; list_for_each_entry_rcu(fa, &li->falh, fa_list) { @@ -2532,7 +2524,6 @@ static int fib_route_seq_show(struct seq_file *seq, void *v) { struct leaf *l = v; struct leaf_info *li; - struct hlist_node *node; if (v == SEQ_START_TOKEN) { seq_printf(seq, "%-127s\n", "Iface\tDestination\tGateway " @@ -2541,7 +2532,7 @@ static int fib_route_seq_show(struct seq_file *seq, void *v) return 0; } - hlist_for_each_entry_rcu(li, node, &l->list, hlist) { + hlist_for_each_entry_rcu(li, &l->list, hlist) { struct fib_alias *fa; __be32 mask, prefix; diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c index 11cb497..7d1874b 100644 --- a/net/ipv4/inet_connection_sock.c +++ b/net/ipv4/inet_connection_sock.c @@ -57,7 +57,6 @@ int inet_csk_bind_conflict(const struct sock *sk, const struct inet_bind_bucket *tb, bool relax) { struct sock *sk2; - struct hlist_node *node; int reuse = sk->sk_reuse; int reuseport = sk->sk_reuseport; kuid_t uid = sock_i_uid((struct sock *)sk); @@ -69,7 +68,7 @@ int inet_csk_bind_conflict(const struct sock *sk, * one this bucket belongs to. */ - sk_for_each_bound(sk2, node, &tb->owners) { + sk_for_each_bound(sk2, &tb->owners) { if (sk != sk2 && !inet_v6_ipv6only(sk2) && (!sk->sk_bound_dev_if || @@ -95,7 +94,7 @@ int inet_csk_bind_conflict(const struct sock *sk, } } } - return node != NULL; + return sk2 != NULL; } EXPORT_SYMBOL_GPL(inet_csk_bind_conflict); @@ -106,7 +105,6 @@ int inet_csk_get_port(struct sock *sk, unsigned short snum) { struct inet_hashinfo *hashinfo = sk->sk_prot->h.hashinfo; struct inet_bind_hashbucket *head; - struct hlist_node *node; struct inet_bind_bucket *tb; int ret, attempts = 5; struct net *net = sock_net(sk); @@ -129,7 +127,7 @@ again: head = &hashinfo->bhash[inet_bhashfn(net, rover, hashinfo->bhash_size)]; spin_lock(&head->lock); - inet_bind_bucket_for_each(tb, node, &head->chain) + inet_bind_bucket_for_each(tb, &head->chain) if (net_eq(ib_net(tb), net) && tb->port == rover) { if (((tb->fastreuse > 0 && sk->sk_reuse && @@ -183,7 +181,7 @@ have_snum: head = &hashinfo->bhash[inet_bhashfn(net, snum, hashinfo->bhash_size)]; spin_lock(&head->lock); - inet_bind_bucket_for_each(tb, node, &head->chain) + inet_bind_bucket_for_each(tb, &head->chain) if (net_eq(ib_net(tb), net) && tb->port == snum) goto tb_found; } diff --git a/net/ipv4/inet_fragment.c b/net/ipv4/inet_fragment.c index 2e453bd..245ae07 100644 --- a/net/ipv4/inet_fragment.c +++ b/net/ipv4/inet_fragment.c @@ -33,9 +33,9 @@ static void inet_frag_secret_rebuild(unsigned long dummy) get_random_bytes(&f->rnd, sizeof(u32)); for (i = 0; i < INETFRAGS_HASHSZ; i++) { struct inet_frag_queue *q; - struct hlist_node *p, *n; + struct hlist_node *n; - hlist_for_each_entry_safe(q, p, n, &f->hash[i], list) { + hlist_for_each_entry_safe(q, n, &f->hash[i], list) { unsigned int hval = f->hashfn(q); if (hval != i) { @@ -203,7 +203,6 @@ static struct inet_frag_queue *inet_frag_intern(struct netns_frags *nf, { struct inet_frag_queue *qp; #ifdef CONFIG_SMP - struct hlist_node *n; #endif unsigned int hash; @@ -219,7 +218,7 @@ static struct inet_frag_queue *inet_frag_intern(struct netns_frags *nf, * such entry could be created on other cpu, while we * promoted read lock to write lock. */ - hlist_for_each_entry(qp, n, &f->hash[hash], list) { + hlist_for_each_entry(qp, &f->hash[hash], list) { if (qp->net == nf && f->match(qp, arg)) { atomic_inc(&qp->refcnt); write_unlock(&f->lock); @@ -278,9 +277,8 @@ struct inet_frag_queue *inet_frag_find(struct netns_frags *nf, __releases(&f->lock) { struct inet_frag_queue *q; - struct hlist_node *n; - hlist_for_each_entry(q, n, &f->hash[hash], list) { + hlist_for_each_entry(q, &f->hash[hash], list) { if (q->net == nf && f->match(q, key)) { atomic_inc(&q->refcnt); read_unlock(&f->lock); diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c index 0ce0595..6af375a 100644 --- a/net/ipv4/inet_hashtables.c +++ b/net/ipv4/inet_hashtables.c @@ -120,13 +120,12 @@ int __inet_inherit_port(struct sock *sk, struct sock *child) * that the listener socket's icsk_bind_hash is the same * as that of the child socket. We have to look up or * create a new bind bucket for the child here. */ - struct hlist_node *node; - inet_bind_bucket_for_each(tb, node, &head->chain) { + inet_bind_bucket_for_each(tb, &head->chain) { if (net_eq(ib_net(tb), sock_net(sk)) && tb->port == port) break; } - if (!node) { + if (!tb) { tb = inet_bind_bucket_create(table->bind_bucket_cachep, sock_net(sk), head, port); if (!tb) { @@ -493,7 +492,6 @@ int __inet_hash_connect(struct inet_timewait_death_row *death_row, int i, remaining, low, high, port; static u32 hint; u32 offset = hint + port_offset; - struct hlist_node *node; struct inet_timewait_sock *tw = NULL; inet_get_local_port_range(&low, &high); @@ -512,7 +510,7 @@ int __inet_hash_connect(struct inet_timewait_death_row *death_row, * because the established check is already * unique enough. */ - inet_bind_bucket_for_each(tb, node, &head->chain) { + inet_bind_bucket_for_each(tb, &head->chain) { if (net_eq(ib_net(tb), net) && tb->port == port) { if (tb->fastreuse >= 0 || diff --git a/net/ipv4/inet_timewait_sock.c b/net/ipv4/inet_timewait_sock.c index 2784db3..1f27c9f 100644 --- a/net/ipv4/inet_timewait_sock.c +++ b/net/ipv4/inet_timewait_sock.c @@ -216,7 +216,6 @@ static int inet_twdr_do_twkill_work(struct inet_timewait_death_row *twdr, const int slot) { struct inet_timewait_sock *tw; - struct hlist_node *node; unsigned int killed; int ret; @@ -229,7 +228,7 @@ static int inet_twdr_do_twkill_work(struct inet_timewait_death_row *twdr, killed = 0; ret = 0; rescan: - inet_twsk_for_each_inmate(tw, node, &twdr->cells[slot]) { + inet_twsk_for_each_inmate(tw, &twdr->cells[slot]) { __inet_twsk_del_dead_node(tw); spin_unlock(&twdr->death_lock); __inet_twsk_kill(tw, twdr->hashinfo); @@ -438,10 +437,10 @@ void inet_twdr_twcal_tick(unsigned long data) for (n = 0; n < INET_TWDR_RECYCLE_SLOTS; n++) { if (time_before_eq(j, now)) { - struct hlist_node *node, *safe; + struct hlist_node *safe; struct inet_timewait_sock *tw; - inet_twsk_for_each_inmate_safe(tw, node, safe, + inet_twsk_for_each_inmate_safe(tw, safe, &twdr->twcal_row[slot]) { __inet_twsk_del_dead_node(tw); __inet_twsk_kill(tw, twdr->hashinfo); diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c index 87abd3e..2bdf802 100644 --- a/net/ipv4/ip_input.c +++ b/net/ipv4/ip_input.c @@ -228,9 +228,11 @@ static int ip_local_deliver_finish(struct sk_buff *skb) icmp_send(skb, ICMP_DEST_UNREACH, ICMP_PROT_UNREACH, 0); } - } else + kfree_skb(skb); + } else { IP_INC_STATS_BH(net, IPSTATS_MIB_INDELIVERS); - kfree_skb(skb); + consume_skb(skb); + } } } out: diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c index f6289bf..310a364 100644 --- a/net/ipv4/ip_options.c +++ b/net/ipv4/ip_options.c @@ -423,7 +423,7 @@ int ip_options_compile(struct net *net, put_unaligned_be32(midtime, timeptr); opt->is_changed = 1; } - } else { + } else if ((optptr[3]&0xF) != IPOPT_TS_PRESPEC) { unsigned int overflow = optptr[3]>>4; if (overflow == 15) { pp_ptr = optptr + 3; diff --git a/net/ipv4/netfilter/ipt_CLUSTERIP.c b/net/ipv4/netfilter/ipt_CLUSTERIP.c index 75e33a7..5852b24 100644 --- a/net/ipv4/netfilter/ipt_CLUSTERIP.c +++ b/net/ipv4/netfilter/ipt_CLUSTERIP.c @@ -657,7 +657,7 @@ static int clusterip_proc_release(struct inode *inode, struct file *file) static ssize_t clusterip_proc_write(struct file *file, const char __user *input, size_t size, loff_t *ofs) { - struct clusterip_config *c = PDE(file->f_path.dentry->d_inode)->data; + struct clusterip_config *c = PDE(file_inode(file))->data; #define PROC_WRITELEN 10 char buffer[PROC_WRITELEN+1]; unsigned long nodenum; diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c index 53ddebc..dd44e0a 100644 --- a/net/ipv4/raw.c +++ b/net/ipv4/raw.c @@ -111,9 +111,7 @@ EXPORT_SYMBOL_GPL(raw_unhash_sk); static struct sock *__raw_v4_lookup(struct net *net, struct sock *sk, unsigned short num, __be32 raddr, __be32 laddr, int dif) { - struct hlist_node *node; - - sk_for_each_from(sk, node) { + sk_for_each_from(sk) { struct inet_sock *inet = inet_sk(sk); if (net_eq(sock_net(sk), net) && inet->inet_num == num && @@ -914,9 +912,7 @@ static struct sock *raw_get_first(struct seq_file *seq) for (state->bucket = 0; state->bucket < RAW_HTABLE_SIZE; ++state->bucket) { - struct hlist_node *node; - - sk_for_each(sk, node, &state->h->ht[state->bucket]) + sk_for_each(sk, &state->h->ht[state->bucket]) if (sock_net(sk) == seq_file_net(seq)) goto found; } diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index a759e19..0d9bdac 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -5485,6 +5485,9 @@ int tcp_rcv_established(struct sock *sk, struct sk_buff *skb, if (tcp_checksum_complete_user(sk, skb)) goto csum_error; + if ((int)skb->truesize > sk->sk_forward_alloc) + goto step5; + /* Predicted packet is in window by definition. * seq == rcv_nxt and rcv_wup <= rcv_nxt. * Hence, check seq<=rcv_wup reduces to: @@ -5496,9 +5499,6 @@ int tcp_rcv_established(struct sock *sk, struct sk_buff *skb, tcp_rcv_rtt_measure_ts(sk, skb); - if ((int)skb->truesize > sk->sk_forward_alloc) - goto step5; - NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPHPHITS); /* Bulk data transfer: receiver */ diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 145d3bf..4a8ec45 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -954,7 +954,6 @@ struct tcp_md5sig_key *tcp_md5_do_lookup(struct sock *sk, { struct tcp_sock *tp = tcp_sk(sk); struct tcp_md5sig_key *key; - struct hlist_node *pos; unsigned int size = sizeof(struct in_addr); struct tcp_md5sig_info *md5sig; @@ -968,7 +967,7 @@ struct tcp_md5sig_key *tcp_md5_do_lookup(struct sock *sk, if (family == AF_INET6) size = sizeof(struct in6_addr); #endif - hlist_for_each_entry_rcu(key, pos, &md5sig->head, node) { + hlist_for_each_entry_rcu(key, &md5sig->head, node) { if (key->family != family) continue; if (!memcmp(&key->addr, addr, size)) @@ -1069,14 +1068,14 @@ static void tcp_clear_md5_list(struct sock *sk) { struct tcp_sock *tp = tcp_sk(sk); struct tcp_md5sig_key *key; - struct hlist_node *pos, *n; + struct hlist_node *n; struct tcp_md5sig_info *md5sig; md5sig = rcu_dereference_protected(tp->md5sig_info, 1); if (!hlist_empty(&md5sig->head)) tcp_free_md5sig_pool(); - hlist_for_each_entry_safe(key, pos, n, &md5sig->head, node) { + hlist_for_each_entry_safe(key, n, &md5sig->head, node) { hlist_del_rcu(&key->node); atomic_sub(sizeof(*key), &sk->sk_omem_alloc); kfree_rcu(key, rcu); diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 4dc0d44..f2c7e61 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -1419,11 +1419,10 @@ int ipv6_chk_addr(struct net *net, const struct in6_addr *addr, struct net_device *dev, int strict) { struct inet6_ifaddr *ifp; - struct hlist_node *node; unsigned int hash = inet6_addr_hash(addr); rcu_read_lock_bh(); - hlist_for_each_entry_rcu(ifp, node, &inet6_addr_lst[hash], addr_lst) { + hlist_for_each_entry_rcu(ifp, &inet6_addr_lst[hash], addr_lst) { if (!net_eq(dev_net(ifp->idev->dev), net)) continue; if (ipv6_addr_equal(&ifp->addr, addr) && @@ -1445,9 +1444,8 @@ static bool ipv6_chk_same_addr(struct net *net, const struct in6_addr *addr, { unsigned int hash = inet6_addr_hash(addr); struct inet6_ifaddr *ifp; - struct hlist_node *node; - hlist_for_each_entry(ifp, node, &inet6_addr_lst[hash], addr_lst) { + hlist_for_each_entry(ifp, &inet6_addr_lst[hash], addr_lst) { if (!net_eq(dev_net(ifp->idev->dev), net)) continue; if (ipv6_addr_equal(&ifp->addr, addr)) { @@ -1487,10 +1485,9 @@ struct inet6_ifaddr *ipv6_get_ifaddr(struct net *net, const struct in6_addr *add { struct inet6_ifaddr *ifp, *result = NULL; unsigned int hash = inet6_addr_hash(addr); - struct hlist_node *node; rcu_read_lock_bh(); - hlist_for_each_entry_rcu_bh(ifp, node, &inet6_addr_lst[hash], addr_lst) { + hlist_for_each_entry_rcu_bh(ifp, &inet6_addr_lst[hash], addr_lst) { if (!net_eq(dev_net(ifp->idev->dev), net)) continue; if (ipv6_addr_equal(&ifp->addr, addr)) { @@ -2907,11 +2904,10 @@ static int addrconf_ifdown(struct net_device *dev, int how) /* Step 2: clear hash table */ for (i = 0; i < IN6_ADDR_HSIZE; i++) { struct hlist_head *h = &inet6_addr_lst[i]; - struct hlist_node *n; spin_lock_bh(&addrconf_hash_lock); restart: - hlist_for_each_entry_rcu(ifa, n, h, addr_lst) { + hlist_for_each_entry_rcu(ifa, h, addr_lst) { if (ifa->idev == idev) { hlist_del_init_rcu(&ifa->addr_lst); addrconf_del_timer(ifa); @@ -3218,8 +3214,7 @@ static struct inet6_ifaddr *if6_get_first(struct seq_file *seq, loff_t pos) } for (; state->bucket < IN6_ADDR_HSIZE; ++state->bucket) { - struct hlist_node *n; - hlist_for_each_entry_rcu_bh(ifa, n, &inet6_addr_lst[state->bucket], + hlist_for_each_entry_rcu_bh(ifa, &inet6_addr_lst[state->bucket], addr_lst) { if (!net_eq(dev_net(ifa->idev->dev), net)) continue; @@ -3244,9 +3239,8 @@ static struct inet6_ifaddr *if6_get_next(struct seq_file *seq, { struct if6_iter_state *state = seq->private; struct net *net = seq_file_net(seq); - struct hlist_node *n = &ifa->addr_lst; - hlist_for_each_entry_continue_rcu_bh(ifa, n, addr_lst) { + hlist_for_each_entry_continue_rcu_bh(ifa, addr_lst) { if (!net_eq(dev_net(ifa->idev->dev), net)) continue; state->offset++; @@ -3255,7 +3249,7 @@ static struct inet6_ifaddr *if6_get_next(struct seq_file *seq, while (++state->bucket < IN6_ADDR_HSIZE) { state->offset = 0; - hlist_for_each_entry_rcu_bh(ifa, n, + hlist_for_each_entry_rcu_bh(ifa, &inet6_addr_lst[state->bucket], addr_lst) { if (!net_eq(dev_net(ifa->idev->dev), net)) continue; @@ -3357,11 +3351,10 @@ int ipv6_chk_home_addr(struct net *net, const struct in6_addr *addr) { int ret = 0; struct inet6_ifaddr *ifp = NULL; - struct hlist_node *n; unsigned int hash = inet6_addr_hash(addr); rcu_read_lock_bh(); - hlist_for_each_entry_rcu_bh(ifp, n, &inet6_addr_lst[hash], addr_lst) { + hlist_for_each_entry_rcu_bh(ifp, &inet6_addr_lst[hash], addr_lst) { if (!net_eq(dev_net(ifp->idev->dev), net)) continue; if (ipv6_addr_equal(&ifp->addr, addr) && @@ -3383,7 +3376,6 @@ static void addrconf_verify(unsigned long foo) { unsigned long now, next, next_sec, next_sched; struct inet6_ifaddr *ifp; - struct hlist_node *node; int i; rcu_read_lock_bh(); @@ -3395,7 +3387,7 @@ static void addrconf_verify(unsigned long foo) for (i = 0; i < IN6_ADDR_HSIZE; i++) { restart: - hlist_for_each_entry_rcu_bh(ifp, node, + hlist_for_each_entry_rcu_bh(ifp, &inet6_addr_lst[i], addr_lst) { unsigned long age; @@ -3866,7 +3858,6 @@ static int inet6_dump_addr(struct sk_buff *skb, struct netlink_callback *cb, struct net_device *dev; struct inet6_dev *idev; struct hlist_head *head; - struct hlist_node *node; s_h = cb->args[0]; s_idx = idx = cb->args[1]; @@ -3876,7 +3867,7 @@ static int inet6_dump_addr(struct sk_buff *skb, struct netlink_callback *cb, for (h = s_h; h < NETDEV_HASHENTRIES; h++, s_idx = 0) { idx = 0; head = &net->dev_index_head[h]; - hlist_for_each_entry_rcu(dev, node, head, index_hlist) { + hlist_for_each_entry_rcu(dev, head, index_hlist) { if (idx < s_idx) goto cont; if (h > s_h || idx > s_idx) @@ -4222,7 +4213,6 @@ static int inet6_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb) struct net_device *dev; struct inet6_dev *idev; struct hlist_head *head; - struct hlist_node *node; s_h = cb->args[0]; s_idx = cb->args[1]; @@ -4231,7 +4221,7 @@ static int inet6_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb) for (h = s_h; h < NETDEV_HASHENTRIES; h++, s_idx = 0) { idx = 0; head = &net->dev_index_head[h]; - hlist_for_each_entry_rcu(dev, node, head, index_hlist) { + hlist_for_each_entry_rcu(dev, head, index_hlist) { if (idx < s_idx) goto cont; idev = __in6_dev_get(dev); diff --git a/net/ipv6/addrlabel.c b/net/ipv6/addrlabel.c index ff76eec..aad6435 100644 --- a/net/ipv6/addrlabel.c +++ b/net/ipv6/addrlabel.c @@ -173,9 +173,8 @@ static struct ip6addrlbl_entry *__ipv6_addr_label(struct net *net, const struct in6_addr *addr, int type, int ifindex) { - struct hlist_node *pos; struct ip6addrlbl_entry *p; - hlist_for_each_entry_rcu(p, pos, &ip6addrlbl_table.head, list) { + hlist_for_each_entry_rcu(p, &ip6addrlbl_table.head, list) { if (__ip6addrlbl_match(net, p, addr, type, ifindex)) return p; } @@ -261,9 +260,9 @@ static int __ip6addrlbl_add(struct ip6addrlbl_entry *newp, int replace) if (hlist_empty(&ip6addrlbl_table.head)) { hlist_add_head_rcu(&newp->list, &ip6addrlbl_table.head); } else { - struct hlist_node *pos, *n; + struct hlist_node *n; struct ip6addrlbl_entry *p = NULL; - hlist_for_each_entry_safe(p, pos, n, + hlist_for_each_entry_safe(p, n, &ip6addrlbl_table.head, list) { if (p->prefixlen == newp->prefixlen && net_eq(ip6addrlbl_net(p), ip6addrlbl_net(newp)) && @@ -319,13 +318,13 @@ static int __ip6addrlbl_del(struct net *net, int ifindex) { struct ip6addrlbl_entry *p = NULL; - struct hlist_node *pos, *n; + struct hlist_node *n; int ret = -ESRCH; ADDRLABEL(KERN_DEBUG "%s(prefix=%pI6, prefixlen=%d, ifindex=%d)\n", __func__, prefix, prefixlen, ifindex); - hlist_for_each_entry_safe(p, pos, n, &ip6addrlbl_table.head, list) { + hlist_for_each_entry_safe(p, n, &ip6addrlbl_table.head, list) { if (p->prefixlen == prefixlen && net_eq(ip6addrlbl_net(p), net) && p->ifindex == ifindex && @@ -380,11 +379,11 @@ static int __net_init ip6addrlbl_net_init(struct net *net) static void __net_exit ip6addrlbl_net_exit(struct net *net) { struct ip6addrlbl_entry *p = NULL; - struct hlist_node *pos, *n; + struct hlist_node *n; /* Remove all labels belonging to the exiting net */ spin_lock(&ip6addrlbl_table.lock); - hlist_for_each_entry_safe(p, pos, n, &ip6addrlbl_table.head, list) { + hlist_for_each_entry_safe(p, n, &ip6addrlbl_table.head, list) { if (net_eq(ip6addrlbl_net(p), net)) { hlist_del_rcu(&p->list); ip6addrlbl_put(p); @@ -505,12 +504,11 @@ static int ip6addrlbl_dump(struct sk_buff *skb, struct netlink_callback *cb) { struct net *net = sock_net(skb->sk); struct ip6addrlbl_entry *p; - struct hlist_node *pos; int idx = 0, s_idx = cb->args[0]; int err; rcu_read_lock(); - hlist_for_each_entry_rcu(p, pos, &ip6addrlbl_table.head, list) { + hlist_for_each_entry_rcu(p, &ip6addrlbl_table.head, list) { if (idx >= s_idx && net_eq(ip6addrlbl_net(p), net)) { if ((err = ip6addrlbl_fill(skb, p, diff --git a/net/ipv6/inet6_connection_sock.c b/net/ipv6/inet6_connection_sock.c index b386a2c..9bfab19 100644 --- a/net/ipv6/inet6_connection_sock.c +++ b/net/ipv6/inet6_connection_sock.c @@ -31,7 +31,6 @@ int inet6_csk_bind_conflict(const struct sock *sk, const struct inet_bind_bucket *tb, bool relax) { const struct sock *sk2; - const struct hlist_node *node; int reuse = sk->sk_reuse; int reuseport = sk->sk_reuseport; kuid_t uid = sock_i_uid((struct sock *)sk); @@ -41,7 +40,7 @@ int inet6_csk_bind_conflict(const struct sock *sk, * See comment in inet_csk_bind_conflict about sock lookup * vs net namespaces issues. */ - sk_for_each_bound(sk2, node, &tb->owners) { + sk_for_each_bound(sk2, &tb->owners) { if (sk != sk2 && (!sk->sk_bound_dev_if || !sk2->sk_bound_dev_if || @@ -58,7 +57,7 @@ int inet6_csk_bind_conflict(const struct sock *sk, } } - return node != NULL; + return sk2 != NULL; } EXPORT_SYMBOL_GPL(inet6_csk_bind_conflict); diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c index 710cafd..192dd1a 100644 --- a/net/ipv6/ip6_fib.c +++ b/net/ipv6/ip6_fib.c @@ -224,7 +224,6 @@ struct fib6_table *fib6_get_table(struct net *net, u32 id) { struct fib6_table *tb; struct hlist_head *head; - struct hlist_node *node; unsigned int h; if (id == 0) @@ -232,7 +231,7 @@ struct fib6_table *fib6_get_table(struct net *net, u32 id) h = id & (FIB6_TABLE_HASHSZ - 1); rcu_read_lock(); head = &net->ipv6.fib_table_hash[h]; - hlist_for_each_entry_rcu(tb, node, head, tb6_hlist) { + hlist_for_each_entry_rcu(tb, head, tb6_hlist) { if (tb->tb6_id == id) { rcu_read_unlock(); return tb; @@ -363,7 +362,6 @@ static int inet6_dump_fib(struct sk_buff *skb, struct netlink_callback *cb) struct rt6_rtnl_dump_arg arg; struct fib6_walker_t *w; struct fib6_table *tb; - struct hlist_node *node; struct hlist_head *head; int res = 0; @@ -398,7 +396,7 @@ static int inet6_dump_fib(struct sk_buff *skb, struct netlink_callback *cb) for (h = s_h; h < FIB6_TABLE_HASHSZ; h++, s_e = 0) { e = 0; head = &net->ipv6.fib_table_hash[h]; - hlist_for_each_entry_rcu(tb, node, head, tb6_hlist) { + hlist_for_each_entry_rcu(tb, head, tb6_hlist) { if (e < s_e) goto next; res = fib6_dump_table(tb, skb, cb); @@ -1520,14 +1518,13 @@ void fib6_clean_all_ro(struct net *net, int (*func)(struct rt6_info *, void *arg int prune, void *arg) { struct fib6_table *table; - struct hlist_node *node; struct hlist_head *head; unsigned int h; rcu_read_lock(); for (h = 0; h < FIB6_TABLE_HASHSZ; h++) { head = &net->ipv6.fib_table_hash[h]; - hlist_for_each_entry_rcu(table, node, head, tb6_hlist) { + hlist_for_each_entry_rcu(table, head, tb6_hlist) { read_lock_bh(&table->tb6_lock); fib6_clean_tree(net, &table->tb6_root, func, prune, arg); @@ -1540,14 +1537,13 @@ void fib6_clean_all(struct net *net, int (*func)(struct rt6_info *, void *arg), int prune, void *arg) { struct fib6_table *table; - struct hlist_node *node; struct hlist_head *head; unsigned int h; rcu_read_lock(); for (h = 0; h < FIB6_TABLE_HASHSZ; h++) { head = &net->ipv6.fib_table_hash[h]; - hlist_for_each_entry_rcu(table, node, head, tb6_hlist) { + hlist_for_each_entry_rcu(table, head, tb6_hlist) { write_lock_bh(&table->tb6_lock); fib6_clean_tree(net, &table->tb6_root, func, prune, arg); diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c index 5b10414..b1876e5 100644 --- a/net/ipv6/ip6_input.c +++ b/net/ipv6/ip6_input.c @@ -241,9 +241,11 @@ resubmit: icmpv6_send(skb, ICMPV6_PARAMPROB, ICMPV6_UNK_NEXTHDR, nhoff); } - } else + kfree_skb(skb); + } else { IP6_INC_STATS_BH(net, idev, IPSTATS_MIB_INDELIVERS); - kfree_skb(skb); + consume_skb(skb); + } } rcu_read_unlock(); return 0; diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c index c65907d..330b5e7 100644 --- a/net/ipv6/raw.c +++ b/net/ipv6/raw.c @@ -71,10 +71,9 @@ static struct sock *__raw_v6_lookup(struct net *net, struct sock *sk, unsigned short num, const struct in6_addr *loc_addr, const struct in6_addr *rmt_addr, int dif) { - struct hlist_node *node; bool is_multicast = ipv6_addr_is_multicast(loc_addr); - sk_for_each_from(sk, node) + sk_for_each_from(sk) if (inet_sk(sk)->inet_num == num) { struct ipv6_pinfo *np = inet6_sk(sk); diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 9282665..e5fe004 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -1915,7 +1915,8 @@ void rt6_purge_dflt_routers(struct net *net) restart: read_lock_bh(&table->tb6_lock); for (rt = table->tb6_root.leaf; rt; rt = rt->dst.rt6_next) { - if (rt->rt6i_flags & (RTF_DEFAULT | RTF_ADDRCONF)) { + if (rt->rt6i_flags & (RTF_DEFAULT | RTF_ADDRCONF) && + (!rt->rt6i_idev || rt->rt6i_idev->cnf.accept_ra != 2)) { dst_hold(&rt->dst); read_unlock_bh(&table->tb6_lock); ip6_del_rt(rt); diff --git a/net/ipv6/xfrm6_tunnel.c b/net/ipv6/xfrm6_tunnel.c index 6cc4801..de2bcfa 100644 --- a/net/ipv6/xfrm6_tunnel.c +++ b/net/ipv6/xfrm6_tunnel.c @@ -89,9 +89,8 @@ static struct xfrm6_tunnel_spi *__xfrm6_tunnel_spi_lookup(struct net *net, const { struct xfrm6_tunnel_net *xfrm6_tn = xfrm6_tunnel_pernet(net); struct xfrm6_tunnel_spi *x6spi; - struct hlist_node *pos; - hlist_for_each_entry_rcu(x6spi, pos, + hlist_for_each_entry_rcu(x6spi, &xfrm6_tn->spi_byaddr[xfrm6_tunnel_spi_hash_byaddr(saddr)], list_byaddr) { if (xfrm6_addr_equal(&x6spi->addr, saddr)) @@ -120,9 +119,8 @@ static int __xfrm6_tunnel_spi_check(struct net *net, u32 spi) struct xfrm6_tunnel_net *xfrm6_tn = xfrm6_tunnel_pernet(net); struct xfrm6_tunnel_spi *x6spi; int index = xfrm6_tunnel_spi_hash_byspi(spi); - struct hlist_node *pos; - hlist_for_each_entry(x6spi, pos, + hlist_for_each_entry(x6spi, &xfrm6_tn->spi_byspi[index], list_byspi) { if (x6spi->spi == spi) @@ -203,11 +201,11 @@ static void xfrm6_tunnel_free_spi(struct net *net, xfrm_address_t *saddr) { struct xfrm6_tunnel_net *xfrm6_tn = xfrm6_tunnel_pernet(net); struct xfrm6_tunnel_spi *x6spi; - struct hlist_node *pos, *n; + struct hlist_node *n; spin_lock_bh(&xfrm6_tunnel_spi_lock); - hlist_for_each_entry_safe(x6spi, pos, n, + hlist_for_each_entry_safe(x6spi, n, &xfrm6_tn->spi_byaddr[xfrm6_tunnel_spi_hash_byaddr(saddr)], list_byaddr) { diff --git a/net/ipx/af_ipx.c b/net/ipx/af_ipx.c index dfd6faa..f547a47 100644 --- a/net/ipx/af_ipx.c +++ b/net/ipx/af_ipx.c @@ -228,9 +228,8 @@ static struct sock *__ipxitf_find_socket(struct ipx_interface *intrfc, __be16 port) { struct sock *s; - struct hlist_node *node; - sk_for_each(s, node, &intrfc->if_sklist) + sk_for_each(s, &intrfc->if_sklist) if (ipx_sk(s)->port == port) goto found; s = NULL; @@ -259,12 +258,11 @@ static struct sock *ipxitf_find_internal_socket(struct ipx_interface *intrfc, __be16 port) { struct sock *s; - struct hlist_node *node; ipxitf_hold(intrfc); spin_lock_bh(&intrfc->if_sklist_lock); - sk_for_each(s, node, &intrfc->if_sklist) { + sk_for_each(s, &intrfc->if_sklist) { struct ipx_sock *ipxs = ipx_sk(s); if (ipxs->port == port && @@ -282,14 +280,14 @@ found: static void __ipxitf_down(struct ipx_interface *intrfc) { struct sock *s; - struct hlist_node *node, *t; + struct hlist_node *t; /* Delete all routes associated with this interface */ ipxrtr_del_routes(intrfc); spin_lock_bh(&intrfc->if_sklist_lock); /* error sockets */ - sk_for_each_safe(s, node, t, &intrfc->if_sklist) { + sk_for_each_safe(s, t, &intrfc->if_sklist) { struct ipx_sock *ipxs = ipx_sk(s); s->sk_err = ENOLINK; @@ -385,12 +383,11 @@ static int ipxitf_demux_socket(struct ipx_interface *intrfc, int is_broadcast = !memcmp(ipx->ipx_dest.node, ipx_broadcast_node, IPX_NODE_LEN); struct sock *s; - struct hlist_node *node; int rc; spin_lock_bh(&intrfc->if_sklist_lock); - sk_for_each(s, node, &intrfc->if_sklist) { + sk_for_each(s, &intrfc->if_sklist) { struct ipx_sock *ipxs = ipx_sk(s); if (ipxs->port == ipx->ipx_dest.sock && @@ -446,12 +443,11 @@ static struct sock *ncp_connection_hack(struct ipx_interface *intrfc, connection = (((int) *(ncphdr + 9)) << 8) | (int) *(ncphdr + 8); if (connection) { - struct hlist_node *node; /* Now we have to look for a special NCP connection handling * socket. Only these sockets have ipx_ncp_conn != 0, set by * SIOCIPXNCPCONN. */ spin_lock_bh(&intrfc->if_sklist_lock); - sk_for_each(sk, node, &intrfc->if_sklist) + sk_for_each(sk, &intrfc->if_sklist) if (ipx_sk(sk)->ipx_ncp_conn == connection) { sock_hold(sk); goto found; diff --git a/net/ipx/ipx_proc.c b/net/ipx/ipx_proc.c index 02ff7f2..65e8833 100644 --- a/net/ipx/ipx_proc.c +++ b/net/ipx/ipx_proc.c @@ -103,19 +103,18 @@ out: static __inline__ struct sock *ipx_get_socket_idx(loff_t pos) { struct sock *s = NULL; - struct hlist_node *node; struct ipx_interface *i; list_for_each_entry(i, &ipx_interfaces, node) { spin_lock_bh(&i->if_sklist_lock); - sk_for_each(s, node, &i->if_sklist) { + sk_for_each(s, &i->if_sklist) { if (!pos) break; --pos; } spin_unlock_bh(&i->if_sklist_lock); if (!pos) { - if (node) + if (s) goto found; break; } diff --git a/net/irda/ircomm/ircomm_tty.c b/net/irda/ircomm/ircomm_tty.c index 9a5fd3c..362ba47 100644 --- a/net/irda/ircomm/ircomm_tty.c +++ b/net/irda/ircomm/ircomm_tty.c @@ -280,7 +280,7 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self, struct tty_port *port = &self->port; DECLARE_WAITQUEUE(wait, current); int retval; - int do_clocal = 0, extra_count = 0; + int do_clocal = 0; unsigned long flags; IRDA_DEBUG(2, "%s()\n", __func__ ); @@ -289,8 +289,15 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self, * If non-blocking mode is set, or the port is not enabled, * then make the check up front and then exit. */ - if (filp->f_flags & O_NONBLOCK || tty->flags & (1 << TTY_IO_ERROR)){ - /* nonblock mode is set or port is not enabled */ + if (test_bit(TTY_IO_ERROR, &tty->flags)) { + port->flags |= ASYNC_NORMAL_ACTIVE; + return 0; + } + + if (filp->f_flags & O_NONBLOCK) { + /* nonblock mode is set */ + if (tty->termios.c_cflag & CBAUD) + tty_port_raise_dtr_rts(port); port->flags |= ASYNC_NORMAL_ACTIVE; IRDA_DEBUG(1, "%s(), O_NONBLOCK requested!\n", __func__ ); return 0; @@ -315,18 +322,16 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self, __FILE__, __LINE__, tty->driver->name, port->count); spin_lock_irqsave(&port->lock, flags); - if (!tty_hung_up_p(filp)) { - extra_count = 1; + if (!tty_hung_up_p(filp)) port->count--; - } - spin_unlock_irqrestore(&port->lock, flags); port->blocked_open++; + spin_unlock_irqrestore(&port->lock, flags); while (1) { if (tty->termios.c_cflag & CBAUD) tty_port_raise_dtr_rts(port); - current->state = TASK_INTERRUPTIBLE; + set_current_state(TASK_INTERRUPTIBLE); if (tty_hung_up_p(filp) || !test_bit(ASYNCB_INITIALIZED, &port->flags)) { @@ -361,13 +366,11 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self, __set_current_state(TASK_RUNNING); remove_wait_queue(&port->open_wait, &wait); - if (extra_count) { - /* ++ is not atomic, so this should be protected - Jean II */ - spin_lock_irqsave(&port->lock, flags); + spin_lock_irqsave(&port->lock, flags); + if (!tty_hung_up_p(filp)) port->count++; - spin_unlock_irqrestore(&port->lock, flags); - } port->blocked_open--; + spin_unlock_irqrestore(&port->lock, flags); IRDA_DEBUG(1, "%s(%d):block_til_ready after blocking on %s open_count=%d\n", __FILE__, __LINE__, tty->driver->name, port->count); diff --git a/net/irda/iriap.c b/net/irda/iriap.c index e71e85b..29340a9 100644 --- a/net/irda/iriap.c +++ b/net/irda/iriap.c @@ -495,8 +495,11 @@ static void iriap_getvaluebyclass_confirm(struct iriap_cb *self, /* case CS_ISO_8859_9: */ /* case CS_UNICODE: */ default: - IRDA_DEBUG(0, "%s(), charset %s, not supported\n", - __func__, ias_charset_types[charset]); + IRDA_DEBUG(0, "%s(), charset [%d] %s, not supported\n", + __func__, charset, + charset < ARRAY_SIZE(ias_charset_types) ? + ias_charset_types[charset] : + "(unknown)"); /* Aborting, close connection! */ iriap_disconnect_request(self); diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c index cd6f7a9..a7d11ffe 100644 --- a/net/iucv/af_iucv.c +++ b/net/iucv/af_iucv.c @@ -156,14 +156,13 @@ static int afiucv_pm_freeze(struct device *dev) { struct iucv_sock *iucv; struct sock *sk; - struct hlist_node *node; int err = 0; #ifdef CONFIG_PM_DEBUG printk(KERN_WARNING "afiucv_pm_freeze\n"); #endif read_lock(&iucv_sk_list.lock); - sk_for_each(sk, node, &iucv_sk_list.head) { + sk_for_each(sk, &iucv_sk_list.head) { iucv = iucv_sk(sk); switch (sk->sk_state) { case IUCV_DISCONN: @@ -194,13 +193,12 @@ static int afiucv_pm_freeze(struct device *dev) static int afiucv_pm_restore_thaw(struct device *dev) { struct sock *sk; - struct hlist_node *node; #ifdef CONFIG_PM_DEBUG printk(KERN_WARNING "afiucv_pm_restore_thaw\n"); #endif read_lock(&iucv_sk_list.lock); - sk_for_each(sk, node, &iucv_sk_list.head) { + sk_for_each(sk, &iucv_sk_list.head) { switch (sk->sk_state) { case IUCV_CONNECTED: sk->sk_err = EPIPE; @@ -390,9 +388,8 @@ static int afiucv_hs_send(struct iucv_message *imsg, struct sock *sock, static struct sock *__iucv_get_sock_by_name(char *nm) { struct sock *sk; - struct hlist_node *node; - sk_for_each(sk, node, &iucv_sk_list.head) + sk_for_each(sk, &iucv_sk_list.head) if (!memcmp(&iucv_sk(sk)->src_name, nm, 8)) return sk; @@ -1678,7 +1675,6 @@ static int iucv_callback_connreq(struct iucv_path *path, unsigned char user_data[16]; unsigned char nuser_data[16]; unsigned char src_name[8]; - struct hlist_node *node; struct sock *sk, *nsk; struct iucv_sock *iucv, *niucv; int err; @@ -1689,7 +1685,7 @@ static int iucv_callback_connreq(struct iucv_path *path, read_lock(&iucv_sk_list.lock); iucv = NULL; sk = NULL; - sk_for_each(sk, node, &iucv_sk_list.head) + sk_for_each(sk, &iucv_sk_list.head) if (sk->sk_state == IUCV_LISTEN && !memcmp(&iucv_sk(sk)->src_name, src_name, 8)) { /* @@ -2115,7 +2111,6 @@ static int afiucv_hs_callback_rx(struct sock *sk, struct sk_buff *skb) static int afiucv_hs_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct net_device *orig_dev) { - struct hlist_node *node; struct sock *sk; struct iucv_sock *iucv; struct af_iucv_trans_hdr *trans_hdr; @@ -2132,7 +2127,7 @@ static int afiucv_hs_rcv(struct sk_buff *skb, struct net_device *dev, iucv = NULL; sk = NULL; read_lock(&iucv_sk_list.lock); - sk_for_each(sk, node, &iucv_sk_list.head) { + sk_for_each(sk, &iucv_sk_list.head) { if (trans_hdr->flags == AF_IUCV_FLAG_SYN) { if ((!memcmp(&iucv_sk(sk)->src_name, trans_hdr->destAppName, 8)) && @@ -2225,10 +2220,9 @@ static void afiucv_hs_callback_txnotify(struct sk_buff *skb, struct sk_buff *list_skb; struct sk_buff *nskb; unsigned long flags; - struct hlist_node *node; read_lock_irqsave(&iucv_sk_list.lock, flags); - sk_for_each(sk, node, &iucv_sk_list.head) + sk_for_each(sk, &iucv_sk_list.head) if (sk == isk) { iucv = iucv_sk(sk); break; @@ -2299,14 +2293,13 @@ static int afiucv_netdev_event(struct notifier_block *this, unsigned long event, void *ptr) { struct net_device *event_dev = (struct net_device *)ptr; - struct hlist_node *node; struct sock *sk; struct iucv_sock *iucv; switch (event) { case NETDEV_REBOOT: case NETDEV_GOING_DOWN: - sk_for_each(sk, node, &iucv_sk_list.head) { + sk_for_each(sk, &iucv_sk_list.head) { iucv = iucv_sk(sk); if ((iucv->hs_dev == event_dev) && (sk->sk_state == IUCV_CONNECTED)) { diff --git a/net/key/af_key.c b/net/key/af_key.c index 9ef7985..556fdaf 100644 --- a/net/key/af_key.c +++ b/net/key/af_key.c @@ -225,7 +225,6 @@ static int pfkey_broadcast(struct sk_buff *skb, gfp_t allocation, { struct netns_pfkey *net_pfkey = net_generic(net, pfkey_net_id); struct sock *sk; - struct hlist_node *node; struct sk_buff *skb2 = NULL; int err = -ESRCH; @@ -236,7 +235,7 @@ static int pfkey_broadcast(struct sk_buff *skb, gfp_t allocation, return -ENOMEM; rcu_read_lock(); - sk_for_each_rcu(sk, node, &net_pfkey->table) { + sk_for_each_rcu(sk, &net_pfkey->table) { struct pfkey_sock *pfk = pfkey_sk(sk); int err2; diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c index dcfd64e..d36875f 100644 --- a/net/l2tp/l2tp_core.c +++ b/net/l2tp/l2tp_core.c @@ -221,10 +221,9 @@ static struct l2tp_session *l2tp_session_find_2(struct net *net, u32 session_id) struct hlist_head *session_list = l2tp_session_id_hash_2(pn, session_id); struct l2tp_session *session; - struct hlist_node *walk; rcu_read_lock_bh(); - hlist_for_each_entry_rcu(session, walk, session_list, global_hlist) { + hlist_for_each_entry_rcu(session, session_list, global_hlist) { if (session->session_id == session_id) { rcu_read_unlock_bh(); return session; @@ -253,7 +252,6 @@ struct l2tp_session *l2tp_session_find(struct net *net, struct l2tp_tunnel *tunn { struct hlist_head *session_list; struct l2tp_session *session; - struct hlist_node *walk; /* In L2TPv3, session_ids are unique over all tunnels and we * sometimes need to look them up before we know the @@ -264,7 +262,7 @@ struct l2tp_session *l2tp_session_find(struct net *net, struct l2tp_tunnel *tunn session_list = l2tp_session_id_hash(tunnel, session_id); read_lock_bh(&tunnel->hlist_lock); - hlist_for_each_entry(session, walk, session_list, hlist) { + hlist_for_each_entry(session, session_list, hlist) { if (session->session_id == session_id) { read_unlock_bh(&tunnel->hlist_lock); return session; @@ -279,13 +277,12 @@ EXPORT_SYMBOL_GPL(l2tp_session_find); struct l2tp_session *l2tp_session_find_nth(struct l2tp_tunnel *tunnel, int nth) { int hash; - struct hlist_node *walk; struct l2tp_session *session; int count = 0; read_lock_bh(&tunnel->hlist_lock); for (hash = 0; hash < L2TP_HASH_SIZE; hash++) { - hlist_for_each_entry(session, walk, &tunnel->session_hlist[hash], hlist) { + hlist_for_each_entry(session, &tunnel->session_hlist[hash], hlist) { if (++count > nth) { read_unlock_bh(&tunnel->hlist_lock); return session; @@ -306,12 +303,11 @@ struct l2tp_session *l2tp_session_find_by_ifname(struct net *net, char *ifname) { struct l2tp_net *pn = l2tp_pernet(net); int hash; - struct hlist_node *walk; struct l2tp_session *session; rcu_read_lock_bh(); for (hash = 0; hash < L2TP_HASH_SIZE_2; hash++) { - hlist_for_each_entry_rcu(session, walk, &pn->l2tp_session_hlist[hash], global_hlist) { + hlist_for_each_entry_rcu(session, &pn->l2tp_session_hlist[hash], global_hlist) { if (!strcmp(session->ifname, ifname)) { rcu_read_unlock_bh(); return session; diff --git a/net/l2tp/l2tp_ip.c b/net/l2tp/l2tp_ip.c index f7ac8f4..7f41b70 100644 --- a/net/l2tp/l2tp_ip.c +++ b/net/l2tp/l2tp_ip.c @@ -49,10 +49,9 @@ static inline struct l2tp_ip_sock *l2tp_ip_sk(const struct sock *sk) static struct sock *__l2tp_ip_bind_lookup(struct net *net, __be32 laddr, int dif, u32 tunnel_id) { - struct hlist_node *node; struct sock *sk; - sk_for_each_bound(sk, node, &l2tp_ip_bind_table) { + sk_for_each_bound(sk, &l2tp_ip_bind_table) { struct inet_sock *inet = inet_sk(sk); struct l2tp_ip_sock *l2tp = l2tp_ip_sk(sk); diff --git a/net/l2tp/l2tp_ip6.c b/net/l2tp/l2tp_ip6.c index 8ee4a86..41f2f81 100644 --- a/net/l2tp/l2tp_ip6.c +++ b/net/l2tp/l2tp_ip6.c @@ -60,10 +60,9 @@ static struct sock *__l2tp_ip6_bind_lookup(struct net *net, struct in6_addr *laddr, int dif, u32 tunnel_id) { - struct hlist_node *node; struct sock *sk; - sk_for_each_bound(sk, node, &l2tp_ip6_bind_table) { + sk_for_each_bound(sk, &l2tp_ip6_bind_table) { struct in6_addr *addr = inet6_rcv_saddr(sk); struct l2tp_ip6_sock *l2tp = l2tp_ip6_sk(sk); diff --git a/net/l2tp/l2tp_ppp.c b/net/l2tp/l2tp_ppp.c index 3f4e3af..6a53371 100644 --- a/net/l2tp/l2tp_ppp.c +++ b/net/l2tp/l2tp_ppp.c @@ -355,6 +355,7 @@ static int pppol2tp_sendmsg(struct kiocb *iocb, struct socket *sock, struct msgh l2tp_xmit_skb(session, skb, session->hdr_len); sock_put(ps->tunnel_sock); + sock_put(sk); return error; diff --git a/net/llc/llc_sap.c b/net/llc/llc_sap.c index 7c5073b..78be45c 100644 --- a/net/llc/llc_sap.c +++ b/net/llc/llc_sap.c @@ -393,12 +393,11 @@ static void llc_sap_mcast(struct llc_sap *sap, { int i = 0, count = 256 / sizeof(struct sock *); struct sock *sk, *stack[count]; - struct hlist_node *node; struct llc_sock *llc; struct hlist_head *dev_hb = llc_sk_dev_hash(sap, skb->dev->ifindex); spin_lock_bh(&sap->sk_lock); - hlist_for_each_entry(llc, node, dev_hb, dev_hash_node) { + hlist_for_each_entry(llc, dev_hb, dev_hash_node) { sk = &llc->sk; diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 09d96a8..fb30681 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -3285,6 +3285,7 @@ static int ieee80211_cfg_get_channel(struct wiphy *wiphy, struct cfg80211_chan_def *chandef) { struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); + struct ieee80211_local *local = wiphy_priv(wiphy); struct ieee80211_chanctx_conf *chanctx_conf; int ret = -ENODATA; @@ -3293,6 +3294,16 @@ static int ieee80211_cfg_get_channel(struct wiphy *wiphy, if (chanctx_conf) { *chandef = chanctx_conf->def; ret = 0; + } else if (local->open_count > 0 && + local->open_count == local->monitors && + sdata->vif.type == NL80211_IFTYPE_MONITOR) { + if (local->use_chanctx) + *chandef = local->monitor_chandef; + else + cfg80211_chandef_create(chandef, + local->_oper_channel, + local->_oper_channel_type); + ret = 0; } rcu_read_unlock(); diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index 2c059e5..baaa860 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -107,7 +107,7 @@ void ieee80211_recalc_idle(struct ieee80211_local *local) lockdep_assert_held(&local->mtx); - active = !list_empty(&local->chanctx_list); + active = !list_empty(&local->chanctx_list) || local->monitors; if (!local->ops->remain_on_channel) { list_for_each_entry(roc, &local->roc_list, list) { @@ -541,6 +541,9 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up) ieee80211_adjust_monitor_flags(sdata, 1); ieee80211_configure_filter(local); + mutex_lock(&local->mtx); + ieee80211_recalc_idle(local); + mutex_unlock(&local->mtx); netif_carrier_on(dev); break; @@ -812,6 +815,9 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, ieee80211_adjust_monitor_flags(sdata, -1); ieee80211_configure_filter(local); + mutex_lock(&local->mtx); + ieee80211_recalc_idle(local); + mutex_unlock(&local->mtx); break; case NL80211_IFTYPE_P2P_DEVICE: /* relies on synchronize_rcu() below */ diff --git a/net/mac80211/main.c b/net/mac80211/main.c index d0dd111..1a8591b 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -647,8 +647,6 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, spin_lock_init(&local->ack_status_lock); idr_init(&local->ack_status_frames); - /* preallocate at least one entry */ - idr_pre_get(&local->ack_status_frames, GFP_KERNEL); sta_info_init(local); diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c index 6b3c4e1..dc7c8df 100644 --- a/net/mac80211/mesh_pathtbl.c +++ b/net/mac80211/mesh_pathtbl.c @@ -72,9 +72,9 @@ static inline struct mesh_table *resize_dereference_mpp_paths(void) * it's used twice. So it is illegal to do * for_each_mesh_entry(rcu_dereference(...), ...) */ -#define for_each_mesh_entry(tbl, p, node, i) \ +#define for_each_mesh_entry(tbl, node, i) \ for (i = 0; i <= tbl->hash_mask; i++) \ - hlist_for_each_entry_rcu(node, p, &tbl->hash_buckets[i], list) + hlist_for_each_entry_rcu(node, &tbl->hash_buckets[i], list) static struct mesh_table *mesh_table_alloc(int size_order) @@ -139,7 +139,7 @@ static void mesh_table_free(struct mesh_table *tbl, bool free_leafs) } if (free_leafs) { spin_lock_bh(&tbl->gates_lock); - hlist_for_each_entry_safe(gate, p, q, + hlist_for_each_entry_safe(gate, q, tbl->known_gates, list) { hlist_del(&gate->list); kfree(gate); @@ -333,12 +333,11 @@ static struct mesh_path *mpath_lookup(struct mesh_table *tbl, const u8 *dst, struct ieee80211_sub_if_data *sdata) { struct mesh_path *mpath; - struct hlist_node *n; struct hlist_head *bucket; struct mpath_node *node; bucket = &tbl->hash_buckets[mesh_table_hash(dst, sdata, tbl)]; - hlist_for_each_entry_rcu(node, n, bucket, list) { + hlist_for_each_entry_rcu(node, bucket, list) { mpath = node->mpath; if (mpath->sdata == sdata && ether_addr_equal(dst, mpath->dst)) { @@ -389,11 +388,10 @@ mesh_path_lookup_by_idx(struct ieee80211_sub_if_data *sdata, int idx) { struct mesh_table *tbl = rcu_dereference(mesh_paths); struct mpath_node *node; - struct hlist_node *p; int i; int j = 0; - for_each_mesh_entry(tbl, p, node, i) { + for_each_mesh_entry(tbl, node, i) { if (sdata && node->mpath->sdata != sdata) continue; if (j++ == idx) { @@ -417,13 +415,12 @@ int mesh_path_add_gate(struct mesh_path *mpath) { struct mesh_table *tbl; struct mpath_node *gate, *new_gate; - struct hlist_node *n; int err; rcu_read_lock(); tbl = rcu_dereference(mesh_paths); - hlist_for_each_entry_rcu(gate, n, tbl->known_gates, list) + hlist_for_each_entry_rcu(gate, tbl->known_gates, list) if (gate->mpath == mpath) { err = -EEXIST; goto err_rcu; @@ -460,9 +457,9 @@ err_rcu: static void mesh_gate_del(struct mesh_table *tbl, struct mesh_path *mpath) { struct mpath_node *gate; - struct hlist_node *p, *q; + struct hlist_node *q; - hlist_for_each_entry_safe(gate, p, q, tbl->known_gates, list) { + hlist_for_each_entry_safe(gate, q, tbl->known_gates, list) { if (gate->mpath != mpath) continue; spin_lock_bh(&tbl->gates_lock); @@ -504,7 +501,6 @@ int mesh_path_add(struct ieee80211_sub_if_data *sdata, const u8 *dst) struct mesh_path *mpath, *new_mpath; struct mpath_node *node, *new_node; struct hlist_head *bucket; - struct hlist_node *n; int grow = 0; int err = 0; u32 hash_idx; @@ -550,7 +546,7 @@ int mesh_path_add(struct ieee80211_sub_if_data *sdata, const u8 *dst) spin_lock(&tbl->hashwlock[hash_idx]); err = -EEXIST; - hlist_for_each_entry(node, n, bucket, list) { + hlist_for_each_entry(node, bucket, list) { mpath = node->mpath; if (mpath->sdata == sdata && ether_addr_equal(dst, mpath->dst)) @@ -640,7 +636,6 @@ int mpp_path_add(struct ieee80211_sub_if_data *sdata, struct mesh_path *mpath, *new_mpath; struct mpath_node *node, *new_node; struct hlist_head *bucket; - struct hlist_node *n; int grow = 0; int err = 0; u32 hash_idx; @@ -680,7 +675,7 @@ int mpp_path_add(struct ieee80211_sub_if_data *sdata, spin_lock(&tbl->hashwlock[hash_idx]); err = -EEXIST; - hlist_for_each_entry(node, n, bucket, list) { + hlist_for_each_entry(node, bucket, list) { mpath = node->mpath; if (mpath->sdata == sdata && ether_addr_equal(dst, mpath->dst)) @@ -725,14 +720,13 @@ void mesh_plink_broken(struct sta_info *sta) static const u8 bcast[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; struct mesh_path *mpath; struct mpath_node *node; - struct hlist_node *p; struct ieee80211_sub_if_data *sdata = sta->sdata; int i; __le16 reason = cpu_to_le16(WLAN_REASON_MESH_PATH_DEST_UNREACHABLE); rcu_read_lock(); tbl = rcu_dereference(mesh_paths); - for_each_mesh_entry(tbl, p, node, i) { + for_each_mesh_entry(tbl, node, i) { mpath = node->mpath; if (rcu_dereference(mpath->next_hop) == sta && mpath->flags & MESH_PATH_ACTIVE && @@ -792,13 +786,12 @@ void mesh_path_flush_by_nexthop(struct sta_info *sta) struct mesh_table *tbl; struct mesh_path *mpath; struct mpath_node *node; - struct hlist_node *p; int i; rcu_read_lock(); read_lock_bh(&pathtbl_resize_lock); tbl = resize_dereference_mesh_paths(); - for_each_mesh_entry(tbl, p, node, i) { + for_each_mesh_entry(tbl, node, i) { mpath = node->mpath; if (rcu_dereference(mpath->next_hop) == sta) { spin_lock(&tbl->hashwlock[i]); @@ -815,11 +808,10 @@ static void table_flush_by_iface(struct mesh_table *tbl, { struct mesh_path *mpath; struct mpath_node *node; - struct hlist_node *p; int i; WARN_ON(!rcu_read_lock_held()); - for_each_mesh_entry(tbl, p, node, i) { + for_each_mesh_entry(tbl, node, i) { mpath = node->mpath; if (mpath->sdata != sdata) continue; @@ -865,7 +857,6 @@ int mesh_path_del(struct ieee80211_sub_if_data *sdata, const u8 *addr) struct mesh_path *mpath; struct mpath_node *node; struct hlist_head *bucket; - struct hlist_node *n; int hash_idx; int err = 0; @@ -875,7 +866,7 @@ int mesh_path_del(struct ieee80211_sub_if_data *sdata, const u8 *addr) bucket = &tbl->hash_buckets[hash_idx]; spin_lock(&tbl->hashwlock[hash_idx]); - hlist_for_each_entry(node, n, bucket, list) { + hlist_for_each_entry(node, bucket, list) { mpath = node->mpath; if (mpath->sdata == sdata && ether_addr_equal(addr, mpath->dst)) { @@ -920,7 +911,6 @@ void mesh_path_tx_pending(struct mesh_path *mpath) int mesh_path_send_to_gates(struct mesh_path *mpath) { struct ieee80211_sub_if_data *sdata = mpath->sdata; - struct hlist_node *n; struct mesh_table *tbl; struct mesh_path *from_mpath = mpath; struct mpath_node *gate = NULL; @@ -935,7 +925,7 @@ int mesh_path_send_to_gates(struct mesh_path *mpath) if (!known_gates) return -EHOSTUNREACH; - hlist_for_each_entry_rcu(gate, n, known_gates, list) { + hlist_for_each_entry_rcu(gate, known_gates, list) { if (gate->mpath->sdata != sdata) continue; @@ -951,7 +941,7 @@ int mesh_path_send_to_gates(struct mesh_path *mpath) } } - hlist_for_each_entry_rcu(gate, n, known_gates, list) + hlist_for_each_entry_rcu(gate, known_gates, list) if (gate->mpath->sdata == sdata) { mpath_dbg(sdata, "Sending to %pM\n", gate->mpath->dst); mesh_path_tx_pending(gate->mpath); @@ -1096,12 +1086,11 @@ void mesh_path_expire(struct ieee80211_sub_if_data *sdata) struct mesh_table *tbl; struct mesh_path *mpath; struct mpath_node *node; - struct hlist_node *p; int i; rcu_read_lock(); tbl = rcu_dereference(mesh_paths); - for_each_mesh_entry(tbl, p, node, i) { + for_each_mesh_entry(tbl, node, i) { if (node->mpath->sdata != sdata) continue; mpath = node->mpath; diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 9f6464f..1415774 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -647,6 +647,9 @@ static void ieee80211_add_vht_ie(struct ieee80211_sub_if_data *sdata, our_mcs = (le16_to_cpu(vht_cap.vht_mcs.rx_mcs_map) & mask) >> shift; + if (our_mcs == IEEE80211_VHT_MCS_NOT_SUPPORTED) + continue; + switch (ap_mcs) { default: if (our_mcs <= ap_mcs) @@ -3503,6 +3506,14 @@ void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata) struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; /* + * Stop timers before deleting work items, as timers + * could race and re-add the work-items. They will be + * re-established on connection. + */ + del_timer_sync(&ifmgd->conn_mon_timer); + del_timer_sync(&ifmgd->bcn_mon_timer); + + /* * we need to use atomic bitops for the running bits * only because both timers might fire at the same * time -- the code here is properly synchronised. @@ -3516,13 +3527,9 @@ void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata) if (del_timer_sync(&ifmgd->timer)) set_bit(TMR_RUNNING_TIMER, &ifmgd->timers_running); - cancel_work_sync(&ifmgd->chswitch_work); if (del_timer_sync(&ifmgd->chswitch_timer)) set_bit(TMR_RUNNING_CHANSW, &ifmgd->timers_running); - - /* these will just be re-established on connection */ - del_timer_sync(&ifmgd->conn_mon_timer); - del_timer_sync(&ifmgd->bcn_mon_timer); + cancel_work_sync(&ifmgd->chswitch_work); } void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata) @@ -4315,6 +4322,17 @@ void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata) { struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; + /* + * Make sure some work items will not run after this, + * they will not do anything but might not have been + * cancelled when disconnecting. + */ + cancel_work_sync(&ifmgd->monitor_work); + cancel_work_sync(&ifmgd->beacon_connection_loss_work); + cancel_work_sync(&ifmgd->request_smps_work); + cancel_work_sync(&ifmgd->csa_connection_drop_work); + cancel_work_sync(&ifmgd->chswitch_work); + mutex_lock(&ifmgd->mtx); if (ifmgd->assoc_data) ieee80211_destroy_assoc_data(sdata, false); diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 5b9602b..8914d2d 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -1231,34 +1231,40 @@ static bool ieee80211_tx_frags(struct ieee80211_local *local, if (local->queue_stop_reasons[q] || (!txpending && !skb_queue_empty(&local->pending[q]))) { if (unlikely(info->flags & - IEEE80211_TX_INTFL_OFFCHAN_TX_OK && - local->queue_stop_reasons[q] & - ~BIT(IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL))) { + IEEE80211_TX_INTFL_OFFCHAN_TX_OK)) { + if (local->queue_stop_reasons[q] & + ~BIT(IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL)) { + /* + * Drop off-channel frames if queues + * are stopped for any reason other + * than off-channel operation. Never + * queue them. + */ + spin_unlock_irqrestore( + &local->queue_stop_reason_lock, + flags); + ieee80211_purge_tx_queue(&local->hw, + skbs); + return true; + } + } else { + /* - * Drop off-channel frames if queues are stopped - * for any reason other than off-channel - * operation. Never queue them. + * Since queue is stopped, queue up frames for + * later transmission from the tx-pending + * tasklet when the queue is woken again. */ - spin_unlock_irqrestore( - &local->queue_stop_reason_lock, flags); - ieee80211_purge_tx_queue(&local->hw, skbs); - return true; + if (txpending) + skb_queue_splice_init(skbs, + &local->pending[q]); + else + skb_queue_splice_tail_init(skbs, + &local->pending[q]); + + spin_unlock_irqrestore(&local->queue_stop_reason_lock, + flags); + return false; } - - /* - * Since queue is stopped, queue up frames for later - * transmission from the tx-pending tasklet when the - * queue is woken again. - */ - if (txpending) - skb_queue_splice_init(skbs, &local->pending[q]); - else - skb_queue_splice_tail_init(skbs, - &local->pending[q]); - - spin_unlock_irqrestore(&local->queue_stop_reason_lock, - flags); - return false; } spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); @@ -1844,9 +1850,24 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, } if (!is_multicast_ether_addr(skb->data)) { + struct sta_info *next_hop; + bool mpp_lookup = true; + mpath = mesh_path_lookup(sdata, skb->data); - if (!mpath) + if (mpath) { + mpp_lookup = false; + next_hop = rcu_dereference(mpath->next_hop); + if (!next_hop || + !(mpath->flags & (MESH_PATH_ACTIVE | + MESH_PATH_RESOLVING))) + mpp_lookup = true; + } + + if (mpp_lookup) mppath = mpp_path_lookup(sdata, skb->data); + + if (mppath && mpath) + mesh_path_del(mpath->sdata, mpath->dst); } /* @@ -2017,24 +2038,14 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, skb = skb_clone(skb, GFP_ATOMIC); if (skb) { unsigned long flags; - int id, r; + int id; spin_lock_irqsave(&local->ack_status_lock, flags); - r = idr_get_new_above(&local->ack_status_frames, - orig_skb, 1, &id); - if (r == -EAGAIN) { - idr_pre_get(&local->ack_status_frames, - GFP_ATOMIC); - r = idr_get_new_above(&local->ack_status_frames, - orig_skb, 1, &id); - } - if (WARN_ON(!id) || id > 0xffff) { - idr_remove(&local->ack_status_frames, id); - r = -ERANGE; - } + id = idr_alloc(&local->ack_status_frames, orig_skb, + 1, 0x10000, GFP_ATOMIC); spin_unlock_irqrestore(&local->ack_status_lock, flags); - if (!r) { + if (id >= 0) { info_id = id; info_flags |= IEEE80211_TX_CTL_REQ_TX_STATUS; } else if (skb_shared(skb)) { @@ -2360,9 +2371,9 @@ static int ieee80211_beacon_add_tim(struct ieee80211_sub_if_data *sdata, if (local->tim_in_locked_section) { __ieee80211_beacon_add_tim(sdata, ps, skb); } else { - spin_lock(&local->tim_lock); + spin_lock_bh(&local->tim_lock); __ieee80211_beacon_add_tim(sdata, ps, skb); - spin_unlock(&local->tim_lock); + spin_unlock_bh(&local->tim_lock); } return 0; @@ -2734,7 +2745,8 @@ ieee80211_get_buffered_bc(struct ieee80211_hw *hw, cpu_to_le16(IEEE80211_FCTL_MOREDATA); } - sdata = IEEE80211_DEV_TO_SUB_IF(skb->dev); + if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN) + sdata = IEEE80211_DEV_TO_SUB_IF(skb->dev); if (!ieee80211_tx_prepare(sdata, &tx, skb)) break; dev_kfree_skb_any(skb); diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c index 9f00db7..704e514 100644 --- a/net/netfilter/ipvs/ip_vs_conn.c +++ b/net/netfilter/ipvs/ip_vs_conn.c @@ -259,13 +259,12 @@ __ip_vs_conn_in_get(const struct ip_vs_conn_param *p) { unsigned int hash; struct ip_vs_conn *cp; - struct hlist_node *n; hash = ip_vs_conn_hashkey_param(p, false); ct_read_lock(hash); - hlist_for_each_entry(cp, n, &ip_vs_conn_tab[hash], c_list) { + hlist_for_each_entry(cp, &ip_vs_conn_tab[hash], c_list) { if (cp->af == p->af && p->cport == cp->cport && p->vport == cp->vport && ip_vs_addr_equal(p->af, p->caddr, &cp->caddr) && @@ -344,13 +343,12 @@ struct ip_vs_conn *ip_vs_ct_in_get(const struct ip_vs_conn_param *p) { unsigned int hash; struct ip_vs_conn *cp; - struct hlist_node *n; hash = ip_vs_conn_hashkey_param(p, false); ct_read_lock(hash); - hlist_for_each_entry(cp, n, &ip_vs_conn_tab[hash], c_list) { + hlist_for_each_entry(cp, &ip_vs_conn_tab[hash], c_list) { if (!ip_vs_conn_net_eq(cp, p->net)) continue; if (p->pe_data && p->pe->ct_match) { @@ -394,7 +392,6 @@ struct ip_vs_conn *ip_vs_conn_out_get(const struct ip_vs_conn_param *p) { unsigned int hash; struct ip_vs_conn *cp, *ret=NULL; - struct hlist_node *n; /* * Check for "full" addressed entries @@ -403,7 +400,7 @@ struct ip_vs_conn *ip_vs_conn_out_get(const struct ip_vs_conn_param *p) ct_read_lock(hash); - hlist_for_each_entry(cp, n, &ip_vs_conn_tab[hash], c_list) { + hlist_for_each_entry(cp, &ip_vs_conn_tab[hash], c_list) { if (cp->af == p->af && p->vport == cp->cport && p->cport == cp->dport && ip_vs_addr_equal(p->af, p->vaddr, &cp->caddr) && @@ -953,11 +950,10 @@ static void *ip_vs_conn_array(struct seq_file *seq, loff_t pos) int idx; struct ip_vs_conn *cp; struct ip_vs_iter_state *iter = seq->private; - struct hlist_node *n; for (idx = 0; idx < ip_vs_conn_tab_size; idx++) { ct_read_lock_bh(idx); - hlist_for_each_entry(cp, n, &ip_vs_conn_tab[idx], c_list) { + hlist_for_each_entry(cp, &ip_vs_conn_tab[idx], c_list) { if (pos-- == 0) { iter->l = &ip_vs_conn_tab[idx]; return cp; @@ -981,7 +977,6 @@ static void *ip_vs_conn_seq_next(struct seq_file *seq, void *v, loff_t *pos) { struct ip_vs_conn *cp = v; struct ip_vs_iter_state *iter = seq->private; - struct hlist_node *e; struct hlist_head *l = iter->l; int idx; @@ -990,15 +985,15 @@ static void *ip_vs_conn_seq_next(struct seq_file *seq, void *v, loff_t *pos) return ip_vs_conn_array(seq, 0); /* more on same hash chain? */ - if ((e = cp->c_list.next)) - return hlist_entry(e, struct ip_vs_conn, c_list); + if (cp->c_list.next) + return hlist_entry(cp->c_list.next, struct ip_vs_conn, c_list); idx = l - ip_vs_conn_tab; ct_read_unlock_bh(idx); while (++idx < ip_vs_conn_tab_size) { ct_read_lock_bh(idx); - hlist_for_each_entry(cp, e, &ip_vs_conn_tab[idx], c_list) { + hlist_for_each_entry(cp, &ip_vs_conn_tab[idx], c_list) { iter->l = &ip_vs_conn_tab[idx]; return cp; } @@ -1200,14 +1195,13 @@ void ip_vs_random_dropentry(struct net *net) */ for (idx = 0; idx < (ip_vs_conn_tab_size>>5); idx++) { unsigned int hash = net_random() & ip_vs_conn_tab_mask; - struct hlist_node *n; /* * Lock is actually needed in this loop. */ ct_write_lock_bh(hash); - hlist_for_each_entry(cp, n, &ip_vs_conn_tab[hash], c_list) { + hlist_for_each_entry(cp, &ip_vs_conn_tab[hash], c_list) { if (cp->flags & IP_VS_CONN_F_TEMPLATE) /* connection template */ continue; @@ -1255,14 +1249,12 @@ static void ip_vs_conn_flush(struct net *net) flush_again: for (idx = 0; idx < ip_vs_conn_tab_size; idx++) { - struct hlist_node *n; - /* * Lock is actually needed in this loop. */ ct_write_lock_bh(idx); - hlist_for_each_entry(cp, n, &ip_vs_conn_tab[idx], c_list) { + hlist_for_each_entry(cp, &ip_vs_conn_tab[idx], c_list) { if (!ip_vs_conn_net_eq(cp, net)) continue; IP_VS_DBG(4, "del connection\n"); diff --git a/net/netfilter/nf_conntrack_expect.c b/net/netfilter/nf_conntrack_expect.c index 3921e5b..8c10e3d 100644 --- a/net/netfilter/nf_conntrack_expect.c +++ b/net/netfilter/nf_conntrack_expect.c @@ -90,14 +90,13 @@ __nf_ct_expect_find(struct net *net, u16 zone, const struct nf_conntrack_tuple *tuple) { struct nf_conntrack_expect *i; - struct hlist_node *n; unsigned int h; if (!net->ct.expect_count) return NULL; h = nf_ct_expect_dst_hash(tuple); - hlist_for_each_entry_rcu(i, n, &net->ct.expect_hash[h], hnode) { + hlist_for_each_entry_rcu(i, &net->ct.expect_hash[h], hnode) { if (nf_ct_tuple_mask_cmp(tuple, &i->tuple, &i->mask) && nf_ct_zone(i->master) == zone) return i; @@ -130,14 +129,13 @@ nf_ct_find_expectation(struct net *net, u16 zone, const struct nf_conntrack_tuple *tuple) { struct nf_conntrack_expect *i, *exp = NULL; - struct hlist_node *n; unsigned int h; if (!net->ct.expect_count) return NULL; h = nf_ct_expect_dst_hash(tuple); - hlist_for_each_entry(i, n, &net->ct.expect_hash[h], hnode) { + hlist_for_each_entry(i, &net->ct.expect_hash[h], hnode) { if (!(i->flags & NF_CT_EXPECT_INACTIVE) && nf_ct_tuple_mask_cmp(tuple, &i->tuple, &i->mask) && nf_ct_zone(i->master) == zone) { @@ -172,13 +170,13 @@ void nf_ct_remove_expectations(struct nf_conn *ct) { struct nf_conn_help *help = nfct_help(ct); struct nf_conntrack_expect *exp; - struct hlist_node *n, *next; + struct hlist_node *next; /* Optimization: most connection never expect any others. */ if (!help) return; - hlist_for_each_entry_safe(exp, n, next, &help->expectations, lnode) { + hlist_for_each_entry_safe(exp, next, &help->expectations, lnode) { if (del_timer(&exp->timeout)) { nf_ct_unlink_expect(exp); nf_ct_expect_put(exp); @@ -348,9 +346,8 @@ static void evict_oldest_expect(struct nf_conn *master, { struct nf_conn_help *master_help = nfct_help(master); struct nf_conntrack_expect *exp, *last = NULL; - struct hlist_node *n; - hlist_for_each_entry(exp, n, &master_help->expectations, lnode) { + hlist_for_each_entry(exp, &master_help->expectations, lnode) { if (exp->class == new->class) last = exp; } @@ -369,7 +366,7 @@ static inline int __nf_ct_expect_check(struct nf_conntrack_expect *expect) struct nf_conn_help *master_help = nfct_help(master); struct nf_conntrack_helper *helper; struct net *net = nf_ct_exp_net(expect); - struct hlist_node *n, *next; + struct hlist_node *next; unsigned int h; int ret = 1; @@ -378,7 +375,7 @@ static inline int __nf_ct_expect_check(struct nf_conntrack_expect *expect) goto out; } h = nf_ct_expect_dst_hash(&expect->tuple); - hlist_for_each_entry_safe(i, n, next, &net->ct.expect_hash[h], hnode) { + hlist_for_each_entry_safe(i, next, &net->ct.expect_hash[h], hnode) { if (expect_matches(i, expect)) { if (del_timer(&i->timeout)) { nf_ct_unlink_expect(i); diff --git a/net/netfilter/nf_conntrack_helper.c b/net/netfilter/nf_conntrack_helper.c index bb4188f..94b4b98 100644 --- a/net/netfilter/nf_conntrack_helper.c +++ b/net/netfilter/nf_conntrack_helper.c @@ -116,14 +116,13 @@ __nf_ct_helper_find(const struct nf_conntrack_tuple *tuple) { struct nf_conntrack_helper *helper; struct nf_conntrack_tuple_mask mask = { .src.u.all = htons(0xFFFF) }; - struct hlist_node *n; unsigned int h; if (!nf_ct_helper_count) return NULL; h = helper_hash(tuple); - hlist_for_each_entry_rcu(helper, n, &nf_ct_helper_hash[h], hnode) { + hlist_for_each_entry_rcu(helper, &nf_ct_helper_hash[h], hnode) { if (nf_ct_tuple_src_mask_cmp(tuple, &helper->tuple, &mask)) return helper; } @@ -134,11 +133,10 @@ struct nf_conntrack_helper * __nf_conntrack_helper_find(const char *name, u16 l3num, u8 protonum) { struct nf_conntrack_helper *h; - struct hlist_node *n; unsigned int i; for (i = 0; i < nf_ct_helper_hsize; i++) { - hlist_for_each_entry_rcu(h, n, &nf_ct_helper_hash[i], hnode) { + hlist_for_each_entry_rcu(h, &nf_ct_helper_hash[i], hnode) { if (!strcmp(h->name, name) && h->tuple.src.l3num == l3num && h->tuple.dst.protonum == protonum) @@ -366,7 +364,6 @@ int nf_conntrack_helper_register(struct nf_conntrack_helper *me) { int ret = 0; struct nf_conntrack_helper *cur; - struct hlist_node *n; unsigned int h = helper_hash(&me->tuple); BUG_ON(me->expect_policy == NULL); @@ -374,7 +371,7 @@ int nf_conntrack_helper_register(struct nf_conntrack_helper *me) BUG_ON(strlen(me->name) > NF_CT_HELPER_NAME_LEN - 1); mutex_lock(&nf_ct_helper_mutex); - hlist_for_each_entry(cur, n, &nf_ct_helper_hash[h], hnode) { + hlist_for_each_entry(cur, &nf_ct_helper_hash[h], hnode) { if (strncmp(cur->name, me->name, NF_CT_HELPER_NAME_LEN) == 0 && cur->tuple.src.l3num == me->tuple.src.l3num && cur->tuple.dst.protonum == me->tuple.dst.protonum) { @@ -395,13 +392,13 @@ static void __nf_conntrack_helper_unregister(struct nf_conntrack_helper *me, { struct nf_conntrack_tuple_hash *h; struct nf_conntrack_expect *exp; - const struct hlist_node *n, *next; + const struct hlist_node *next; const struct hlist_nulls_node *nn; unsigned int i; /* Get rid of expectations */ for (i = 0; i < nf_ct_expect_hsize; i++) { - hlist_for_each_entry_safe(exp, n, next, + hlist_for_each_entry_safe(exp, next, &net->ct.expect_hash[i], hnode) { struct nf_conn_help *help = nfct_help(exp->master); if ((rcu_dereference_protected( diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c index 5d60e04..9904b15 100644 --- a/net/netfilter/nf_conntrack_netlink.c +++ b/net/netfilter/nf_conntrack_netlink.c @@ -2370,14 +2370,13 @@ ctnetlink_exp_dump_table(struct sk_buff *skb, struct netlink_callback *cb) struct net *net = sock_net(skb->sk); struct nf_conntrack_expect *exp, *last; struct nfgenmsg *nfmsg = nlmsg_data(cb->nlh); - struct hlist_node *n; u_int8_t l3proto = nfmsg->nfgen_family; rcu_read_lock(); last = (struct nf_conntrack_expect *)cb->args[1]; for (; cb->args[0] < nf_ct_expect_hsize; cb->args[0]++) { restart: - hlist_for_each_entry(exp, n, &net->ct.expect_hash[cb->args[0]], + hlist_for_each_entry(exp, &net->ct.expect_hash[cb->args[0]], hnode) { if (l3proto && exp->tuple.src.l3num != l3proto) continue; @@ -2510,7 +2509,7 @@ ctnetlink_del_expect(struct sock *ctnl, struct sk_buff *skb, struct nf_conntrack_expect *exp; struct nf_conntrack_tuple tuple; struct nfgenmsg *nfmsg = nlmsg_data(nlh); - struct hlist_node *n, *next; + struct hlist_node *next; u_int8_t u3 = nfmsg->nfgen_family; unsigned int i; u16 zone; @@ -2557,7 +2556,7 @@ ctnetlink_del_expect(struct sock *ctnl, struct sk_buff *skb, /* delete all expectations for this helper */ spin_lock_bh(&nf_conntrack_lock); for (i = 0; i < nf_ct_expect_hsize; i++) { - hlist_for_each_entry_safe(exp, n, next, + hlist_for_each_entry_safe(exp, next, &net->ct.expect_hash[i], hnode) { m_help = nfct_help(exp->master); @@ -2575,7 +2574,7 @@ ctnetlink_del_expect(struct sock *ctnl, struct sk_buff *skb, /* This basically means we have to flush everything*/ spin_lock_bh(&nf_conntrack_lock); for (i = 0; i < nf_ct_expect_hsize; i++) { - hlist_for_each_entry_safe(exp, n, next, + hlist_for_each_entry_safe(exp, next, &net->ct.expect_hash[i], hnode) { if (del_timer(&exp->timeout)) { diff --git a/net/netfilter/nf_conntrack_sip.c b/net/netfilter/nf_conntrack_sip.c index 069229d..0e7d423 100644 --- a/net/netfilter/nf_conntrack_sip.c +++ b/net/netfilter/nf_conntrack_sip.c @@ -855,11 +855,11 @@ static int refresh_signalling_expectation(struct nf_conn *ct, { struct nf_conn_help *help = nfct_help(ct); struct nf_conntrack_expect *exp; - struct hlist_node *n, *next; + struct hlist_node *next; int found = 0; spin_lock_bh(&nf_conntrack_lock); - hlist_for_each_entry_safe(exp, n, next, &help->expectations, lnode) { + hlist_for_each_entry_safe(exp, next, &help->expectations, lnode) { if (exp->class != SIP_EXPECT_SIGNALLING || !nf_inet_addr_cmp(&exp->tuple.dst.u3, addr) || exp->tuple.dst.protonum != proto || @@ -881,10 +881,10 @@ static void flush_expectations(struct nf_conn *ct, bool media) { struct nf_conn_help *help = nfct_help(ct); struct nf_conntrack_expect *exp; - struct hlist_node *n, *next; + struct hlist_node *next; spin_lock_bh(&nf_conntrack_lock); - hlist_for_each_entry_safe(exp, n, next, &help->expectations, lnode) { + hlist_for_each_entry_safe(exp, next, &help->expectations, lnode) { if ((exp->class != SIP_EXPECT_SIGNALLING) ^ media) continue; if (!del_timer(&exp->timeout)) diff --git a/net/netfilter/nf_nat_core.c b/net/netfilter/nf_nat_core.c index 5f2f910..8d5769c 100644 --- a/net/netfilter/nf_nat_core.c +++ b/net/netfilter/nf_nat_core.c @@ -191,9 +191,8 @@ find_appropriate_src(struct net *net, u16 zone, unsigned int h = hash_by_src(net, zone, tuple); const struct nf_conn_nat *nat; const struct nf_conn *ct; - const struct hlist_node *n; - hlist_for_each_entry_rcu(nat, n, &net->ct.nat_bysource[h], bysource) { + hlist_for_each_entry_rcu(nat, &net->ct.nat_bysource[h], bysource) { ct = nat->ct; if (same_src(ct, tuple) && nf_ct_zone(ct) == zone) { /* Copy source part from reply tuple. */ diff --git a/net/netfilter/nfnetlink_cthelper.c b/net/netfilter/nfnetlink_cthelper.c index 945950a..a191b6d 100644 --- a/net/netfilter/nfnetlink_cthelper.c +++ b/net/netfilter/nfnetlink_cthelper.c @@ -282,7 +282,6 @@ nfnl_cthelper_new(struct sock *nfnl, struct sk_buff *skb, const char *helper_name; struct nf_conntrack_helper *cur, *helper = NULL; struct nf_conntrack_tuple tuple; - struct hlist_node *n; int ret = 0, i; if (!tb[NFCTH_NAME] || !tb[NFCTH_TUPLE]) @@ -296,7 +295,7 @@ nfnl_cthelper_new(struct sock *nfnl, struct sk_buff *skb, rcu_read_lock(); for (i = 0; i < nf_ct_helper_hsize && !helper; i++) { - hlist_for_each_entry_rcu(cur, n, &nf_ct_helper_hash[i], hnode) { + hlist_for_each_entry_rcu(cur, &nf_ct_helper_hash[i], hnode) { /* skip non-userspace conntrack helpers. */ if (!(cur->flags & NF_CT_HELPER_F_USERSPACE)) @@ -452,13 +451,12 @@ static int nfnl_cthelper_dump_table(struct sk_buff *skb, struct netlink_callback *cb) { struct nf_conntrack_helper *cur, *last; - struct hlist_node *n; rcu_read_lock(); last = (struct nf_conntrack_helper *)cb->args[1]; for (; cb->args[0] < nf_ct_helper_hsize; cb->args[0]++) { restart: - hlist_for_each_entry_rcu(cur, n, + hlist_for_each_entry_rcu(cur, &nf_ct_helper_hash[cb->args[0]], hnode) { /* skip non-userspace conntrack helpers. */ @@ -495,7 +493,6 @@ nfnl_cthelper_get(struct sock *nfnl, struct sk_buff *skb, { int ret = -ENOENT, i; struct nf_conntrack_helper *cur; - struct hlist_node *n; struct sk_buff *skb2; char *helper_name = NULL; struct nf_conntrack_tuple tuple; @@ -520,7 +517,7 @@ nfnl_cthelper_get(struct sock *nfnl, struct sk_buff *skb, } for (i = 0; i < nf_ct_helper_hsize; i++) { - hlist_for_each_entry_rcu(cur, n, &nf_ct_helper_hash[i], hnode) { + hlist_for_each_entry_rcu(cur, &nf_ct_helper_hash[i], hnode) { /* skip non-userspace conntrack helpers. */ if (!(cur->flags & NF_CT_HELPER_F_USERSPACE)) @@ -568,7 +565,7 @@ nfnl_cthelper_del(struct sock *nfnl, struct sk_buff *skb, { char *helper_name = NULL; struct nf_conntrack_helper *cur; - struct hlist_node *n, *tmp; + struct hlist_node *tmp; struct nf_conntrack_tuple tuple; bool tuple_set = false, found = false; int i, j = 0, ret; @@ -585,7 +582,7 @@ nfnl_cthelper_del(struct sock *nfnl, struct sk_buff *skb, } for (i = 0; i < nf_ct_helper_hsize; i++) { - hlist_for_each_entry_safe(cur, n, tmp, &nf_ct_helper_hash[i], + hlist_for_each_entry_safe(cur, tmp, &nf_ct_helper_hash[i], hnode) { /* skip non-userspace conntrack helpers. */ if (!(cur->flags & NF_CT_HELPER_F_USERSPACE)) @@ -654,13 +651,13 @@ err_out: static void __exit nfnl_cthelper_exit(void) { struct nf_conntrack_helper *cur; - struct hlist_node *n, *tmp; + struct hlist_node *tmp; int i; nfnetlink_subsys_unregister(&nfnl_cthelper_subsys); for (i=0; i<nf_ct_helper_hsize; i++) { - hlist_for_each_entry_safe(cur, n, tmp, &nf_ct_helper_hash[i], + hlist_for_each_entry_safe(cur, tmp, &nf_ct_helper_hash[i], hnode) { /* skip non-userspace conntrack helpers. */ if (!(cur->flags & NF_CT_HELPER_F_USERSPACE)) diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c index 92fd8ec..f248db5 100644 --- a/net/netfilter/nfnetlink_log.c +++ b/net/netfilter/nfnetlink_log.c @@ -87,11 +87,10 @@ static struct nfulnl_instance * __instance_lookup(u_int16_t group_num) { struct hlist_head *head; - struct hlist_node *pos; struct nfulnl_instance *inst; head = &instance_table[instance_hashfn(group_num)]; - hlist_for_each_entry_rcu(inst, pos, head, hlist) { + hlist_for_each_entry_rcu(inst, head, hlist) { if (inst->group_num == group_num) return inst; } @@ -717,11 +716,11 @@ nfulnl_rcv_nl_event(struct notifier_block *this, /* destroy all instances for this portid */ spin_lock_bh(&instances_lock); for (i = 0; i < INSTANCE_BUCKETS; i++) { - struct hlist_node *tmp, *t2; + struct hlist_node *t2; struct nfulnl_instance *inst; struct hlist_head *head = &instance_table[i]; - hlist_for_each_entry_safe(inst, tmp, t2, head, hlist) { + hlist_for_each_entry_safe(inst, t2, head, hlist) { if ((net_eq(n->net, &init_net)) && (n->portid == inst->peer_portid)) __instance_destroy(inst); diff --git a/net/netfilter/nfnetlink_queue_core.c b/net/netfilter/nfnetlink_queue_core.c index 3158d87..858fd52 100644 --- a/net/netfilter/nfnetlink_queue_core.c +++ b/net/netfilter/nfnetlink_queue_core.c @@ -80,11 +80,10 @@ static struct nfqnl_instance * instance_lookup(u_int16_t queue_num) { struct hlist_head *head; - struct hlist_node *pos; struct nfqnl_instance *inst; head = &instance_table[instance_hashfn(queue_num)]; - hlist_for_each_entry_rcu(inst, pos, head, hlist) { + hlist_for_each_entry_rcu(inst, head, hlist) { if (inst->queue_num == queue_num) return inst; } @@ -583,11 +582,10 @@ nfqnl_dev_drop(int ifindex) rcu_read_lock(); for (i = 0; i < INSTANCE_BUCKETS; i++) { - struct hlist_node *tmp; struct nfqnl_instance *inst; struct hlist_head *head = &instance_table[i]; - hlist_for_each_entry_rcu(inst, tmp, head, hlist) + hlist_for_each_entry_rcu(inst, head, hlist) nfqnl_flush(inst, dev_cmp, ifindex); } @@ -627,11 +625,11 @@ nfqnl_rcv_nl_event(struct notifier_block *this, /* destroy all instances for this portid */ spin_lock(&instances_lock); for (i = 0; i < INSTANCE_BUCKETS; i++) { - struct hlist_node *tmp, *t2; + struct hlist_node *t2; struct nfqnl_instance *inst; struct hlist_head *head = &instance_table[i]; - hlist_for_each_entry_safe(inst, tmp, t2, head, hlist) { + hlist_for_each_entry_safe(inst, t2, head, hlist) { if ((n->net == &init_net) && (n->portid == inst->peer_portid)) __instance_destroy(inst); diff --git a/net/netfilter/xt_RATEEST.c b/net/netfilter/xt_RATEEST.c index f264032..370adf6 100644 --- a/net/netfilter/xt_RATEEST.c +++ b/net/netfilter/xt_RATEEST.c @@ -43,12 +43,11 @@ static void xt_rateest_hash_insert(struct xt_rateest *est) struct xt_rateest *xt_rateest_lookup(const char *name) { struct xt_rateest *est; - struct hlist_node *n; unsigned int h; h = xt_rateest_hash(name); mutex_lock(&xt_rateest_mutex); - hlist_for_each_entry(est, n, &rateest_hash[h], list) { + hlist_for_each_entry(est, &rateest_hash[h], list) { if (strcmp(est->name, name) == 0) { est->refcnt++; mutex_unlock(&xt_rateest_mutex); diff --git a/net/netfilter/xt_connlimit.c b/net/netfilter/xt_connlimit.c index 70b5591..c40b269 100644 --- a/net/netfilter/xt_connlimit.c +++ b/net/netfilter/xt_connlimit.c @@ -101,7 +101,7 @@ static int count_them(struct net *net, { const struct nf_conntrack_tuple_hash *found; struct xt_connlimit_conn *conn; - struct hlist_node *pos, *n; + struct hlist_node *n; struct nf_conn *found_ct; struct hlist_head *hash; bool addit = true; @@ -115,7 +115,7 @@ static int count_them(struct net *net, rcu_read_lock(); /* check the saved connections */ - hlist_for_each_entry_safe(conn, pos, n, hash, node) { + hlist_for_each_entry_safe(conn, n, hash, node) { found = nf_conntrack_find_get(net, NF_CT_DEFAULT_ZONE, &conn->tuple); found_ct = NULL; @@ -258,14 +258,14 @@ static void connlimit_mt_destroy(const struct xt_mtdtor_param *par) { const struct xt_connlimit_info *info = par->matchinfo; struct xt_connlimit_conn *conn; - struct hlist_node *pos, *n; + struct hlist_node *n; struct hlist_head *hash = info->data->iphash; unsigned int i; nf_ct_l3proto_module_put(par->family); for (i = 0; i < ARRAY_SIZE(info->data->iphash); ++i) { - hlist_for_each_entry_safe(conn, pos, n, &hash[i], node) { + hlist_for_each_entry_safe(conn, n, &hash[i], node) { hlist_del(&conn->node); kfree(conn); } diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c index 98218c8..f330e8b 100644 --- a/net/netfilter/xt_hashlimit.c +++ b/net/netfilter/xt_hashlimit.c @@ -141,11 +141,10 @@ dsthash_find(const struct xt_hashlimit_htable *ht, const struct dsthash_dst *dst) { struct dsthash_ent *ent; - struct hlist_node *pos; u_int32_t hash = hash_dst(ht, dst); if (!hlist_empty(&ht->hash[hash])) { - hlist_for_each_entry_rcu(ent, pos, &ht->hash[hash], node) + hlist_for_each_entry_rcu(ent, &ht->hash[hash], node) if (dst_cmp(ent, dst)) { spin_lock(&ent->lock); return ent; @@ -297,8 +296,8 @@ static void htable_selective_cleanup(struct xt_hashlimit_htable *ht, spin_lock_bh(&ht->lock); for (i = 0; i < ht->cfg.size; i++) { struct dsthash_ent *dh; - struct hlist_node *pos, *n; - hlist_for_each_entry_safe(dh, pos, n, &ht->hash[i], node) { + struct hlist_node *n; + hlist_for_each_entry_safe(dh, n, &ht->hash[i], node) { if ((*select)(ht, dh)) dsthash_free(ht, dh); } @@ -343,9 +342,8 @@ static struct xt_hashlimit_htable *htable_find_get(struct net *net, { struct hashlimit_net *hashlimit_net = hashlimit_pernet(net); struct xt_hashlimit_htable *hinfo; - struct hlist_node *pos; - hlist_for_each_entry(hinfo, pos, &hashlimit_net->htables, node) { + hlist_for_each_entry(hinfo, &hashlimit_net->htables, node) { if (!strcmp(name, hinfo->pde->name) && hinfo->family == family) { hinfo->use++; @@ -821,10 +819,9 @@ static int dl_seq_show(struct seq_file *s, void *v) struct xt_hashlimit_htable *htable = s->private; unsigned int *bucket = (unsigned int *)v; struct dsthash_ent *ent; - struct hlist_node *pos; if (!hlist_empty(&htable->hash[*bucket])) { - hlist_for_each_entry(ent, pos, &htable->hash[*bucket], node) + hlist_for_each_entry(ent, &htable->hash[*bucket], node) if (dl_seq_real_show(ent, htable->family, s)) return -1; } @@ -877,7 +874,6 @@ static int __net_init hashlimit_proc_net_init(struct net *net) static void __net_exit hashlimit_proc_net_exit(struct net *net) { struct xt_hashlimit_htable *hinfo; - struct hlist_node *pos; struct proc_dir_entry *pde; struct hashlimit_net *hashlimit_net = hashlimit_pernet(net); @@ -890,7 +886,7 @@ static void __net_exit hashlimit_proc_net_exit(struct net *net) if (pde == NULL) pde = hashlimit_net->ip6t_hashlimit; - hlist_for_each_entry(hinfo, pos, &hashlimit_net->htables, node) + hlist_for_each_entry(hinfo, &hashlimit_net->htables, node) remove_proc_entry(hinfo->pde->name, pde); hashlimit_net->ipt_hashlimit = NULL; diff --git a/net/netfilter/xt_recent.c b/net/netfilter/xt_recent.c index 31bf233..d9cad31 100644 --- a/net/netfilter/xt_recent.c +++ b/net/netfilter/xt_recent.c @@ -540,7 +540,7 @@ static ssize_t recent_mt_proc_write(struct file *file, const char __user *input, size_t size, loff_t *loff) { - const struct proc_dir_entry *pde = PDE(file->f_path.dentry->d_inode); + const struct proc_dir_entry *pde = PDE(file_inode(file)); struct recent_table *t = pde->data; struct recent_entry *e; char buf[sizeof("+b335:1d35:1e55:dead:c0de:1715:5afe:c0de")]; diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index 3d55e0c..1e3fd5b 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -248,11 +248,10 @@ static struct sock *netlink_lookup(struct net *net, int protocol, u32 portid) struct nl_portid_hash *hash = &nl_table[protocol].hash; struct hlist_head *head; struct sock *sk; - struct hlist_node *node; read_lock(&nl_table_lock); head = nl_portid_hashfn(hash, portid); - sk_for_each(sk, node, head) { + sk_for_each(sk, head) { if (net_eq(sock_net(sk), net) && (nlk_sk(sk)->portid == portid)) { sock_hold(sk); goto found; @@ -312,9 +311,9 @@ static int nl_portid_hash_rehash(struct nl_portid_hash *hash, int grow) for (i = 0; i <= omask; i++) { struct sock *sk; - struct hlist_node *node, *tmp; + struct hlist_node *tmp; - sk_for_each_safe(sk, node, tmp, &otable[i]) + sk_for_each_safe(sk, tmp, &otable[i]) __sk_add_node(sk, nl_portid_hashfn(hash, nlk_sk(sk)->portid)); } @@ -344,7 +343,6 @@ static void netlink_update_listeners(struct sock *sk) { struct netlink_table *tbl = &nl_table[sk->sk_protocol]; - struct hlist_node *node; unsigned long mask; unsigned int i; struct listeners *listeners; @@ -355,7 +353,7 @@ netlink_update_listeners(struct sock *sk) for (i = 0; i < NLGRPLONGS(tbl->groups); i++) { mask = 0; - sk_for_each_bound(sk, node, &tbl->mc_list) { + sk_for_each_bound(sk, &tbl->mc_list) { if (i < NLGRPLONGS(nlk_sk(sk)->ngroups)) mask |= nlk_sk(sk)->groups[i]; } @@ -371,18 +369,17 @@ static int netlink_insert(struct sock *sk, struct net *net, u32 portid) struct hlist_head *head; int err = -EADDRINUSE; struct sock *osk; - struct hlist_node *node; int len; netlink_table_grab(); head = nl_portid_hashfn(hash, portid); len = 0; - sk_for_each(osk, node, head) { + sk_for_each(osk, head) { if (net_eq(sock_net(osk), net) && (nlk_sk(osk)->portid == portid)) break; len++; } - if (node) + if (osk) goto err; err = -EBUSY; @@ -575,7 +572,6 @@ static int netlink_autobind(struct socket *sock) struct nl_portid_hash *hash = &nl_table[sk->sk_protocol].hash; struct hlist_head *head; struct sock *osk; - struct hlist_node *node; s32 portid = task_tgid_vnr(current); int err; static s32 rover = -4097; @@ -584,7 +580,7 @@ retry: cond_resched(); netlink_table_grab(); head = nl_portid_hashfn(hash, portid); - sk_for_each(osk, node, head) { + sk_for_each(osk, head) { if (!net_eq(sock_net(osk), net)) continue; if (nlk_sk(osk)->portid == portid) { @@ -809,7 +805,7 @@ static struct sock *netlink_getsockbyportid(struct sock *ssk, u32 portid) struct sock *netlink_getsockbyfilp(struct file *filp) { - struct inode *inode = filp->f_path.dentry->d_inode; + struct inode *inode = file_inode(filp); struct sock *sock; if (!S_ISSOCK(inode->i_mode)) @@ -1101,7 +1097,6 @@ int netlink_broadcast_filtered(struct sock *ssk, struct sk_buff *skb, u32 portid { struct net *net = sock_net(ssk); struct netlink_broadcast_data info; - struct hlist_node *node; struct sock *sk; skb = netlink_trim(skb, allocation); @@ -1124,7 +1119,7 @@ int netlink_broadcast_filtered(struct sock *ssk, struct sk_buff *skb, u32 portid netlink_lock_table(); - sk_for_each_bound(sk, node, &nl_table[ssk->sk_protocol].mc_list) + sk_for_each_bound(sk, &nl_table[ssk->sk_protocol].mc_list) do_one_broadcast(sk, &info); consume_skb(skb); @@ -1200,7 +1195,6 @@ out: int netlink_set_err(struct sock *ssk, u32 portid, u32 group, int code) { struct netlink_set_err_data info; - struct hlist_node *node; struct sock *sk; int ret = 0; @@ -1212,7 +1206,7 @@ int netlink_set_err(struct sock *ssk, u32 portid, u32 group, int code) read_lock(&nl_table_lock); - sk_for_each_bound(sk, node, &nl_table[ssk->sk_protocol].mc_list) + sk_for_each_bound(sk, &nl_table[ssk->sk_protocol].mc_list) ret += do_one_set_err(sk, &info); read_unlock(&nl_table_lock); @@ -1676,10 +1670,9 @@ int netlink_change_ngroups(struct sock *sk, unsigned int groups) void __netlink_clear_multicast_users(struct sock *ksk, unsigned int group) { struct sock *sk; - struct hlist_node *node; struct netlink_table *tbl = &nl_table[ksk->sk_protocol]; - sk_for_each_bound(sk, node, &tbl->mc_list) + sk_for_each_bound(sk, &tbl->mc_list) netlink_update_socket_mc(nlk_sk(sk), group, 0); } @@ -1974,14 +1967,13 @@ static struct sock *netlink_seq_socket_idx(struct seq_file *seq, loff_t pos) struct nl_seq_iter *iter = seq->private; int i, j; struct sock *s; - struct hlist_node *node; loff_t off = 0; for (i = 0; i < MAX_LINKS; i++) { struct nl_portid_hash *hash = &nl_table[i].hash; for (j = 0; j <= hash->mask; j++) { - sk_for_each(s, node, &hash->table[j]) { + sk_for_each(s, &hash->table[j]) { if (sock_net(s) != seq_file_net(seq)) continue; if (off == pos) { diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c index 297b07a..d1fa1d9 100644 --- a/net/netrom/af_netrom.c +++ b/net/netrom/af_netrom.c @@ -104,10 +104,9 @@ static void nr_remove_socket(struct sock *sk) static void nr_kill_by_device(struct net_device *dev) { struct sock *s; - struct hlist_node *node; spin_lock_bh(&nr_list_lock); - sk_for_each(s, node, &nr_list) + sk_for_each(s, &nr_list) if (nr_sk(s)->device == dev) nr_disconnect(s, ENETUNREACH); spin_unlock_bh(&nr_list_lock); @@ -149,10 +148,9 @@ static void nr_insert_socket(struct sock *sk) static struct sock *nr_find_listener(ax25_address *addr) { struct sock *s; - struct hlist_node *node; spin_lock_bh(&nr_list_lock); - sk_for_each(s, node, &nr_list) + sk_for_each(s, &nr_list) if (!ax25cmp(&nr_sk(s)->source_addr, addr) && s->sk_state == TCP_LISTEN) { bh_lock_sock(s); @@ -170,10 +168,9 @@ found: static struct sock *nr_find_socket(unsigned char index, unsigned char id) { struct sock *s; - struct hlist_node *node; spin_lock_bh(&nr_list_lock); - sk_for_each(s, node, &nr_list) { + sk_for_each(s, &nr_list) { struct nr_sock *nr = nr_sk(s); if (nr->my_index == index && nr->my_id == id) { @@ -194,10 +191,9 @@ static struct sock *nr_find_peer(unsigned char index, unsigned char id, ax25_address *dest) { struct sock *s; - struct hlist_node *node; spin_lock_bh(&nr_list_lock); - sk_for_each(s, node, &nr_list) { + sk_for_each(s, &nr_list) { struct nr_sock *nr = nr_sk(s); if (nr->your_index == index && nr->your_id == id && diff --git a/net/netrom/nr_route.c b/net/netrom/nr_route.c index 70ffff7..b976d5e 100644 --- a/net/netrom/nr_route.c +++ b/net/netrom/nr_route.c @@ -49,10 +49,9 @@ static struct nr_node *nr_node_get(ax25_address *callsign) { struct nr_node *found = NULL; struct nr_node *nr_node; - struct hlist_node *node; spin_lock_bh(&nr_node_list_lock); - nr_node_for_each(nr_node, node, &nr_node_list) + nr_node_for_each(nr_node, &nr_node_list) if (ax25cmp(callsign, &nr_node->callsign) == 0) { nr_node_hold(nr_node); found = nr_node; @@ -67,10 +66,9 @@ static struct nr_neigh *nr_neigh_get_dev(ax25_address *callsign, { struct nr_neigh *found = NULL; struct nr_neigh *nr_neigh; - struct hlist_node *node; spin_lock_bh(&nr_neigh_list_lock); - nr_neigh_for_each(nr_neigh, node, &nr_neigh_list) + nr_neigh_for_each(nr_neigh, &nr_neigh_list) if (ax25cmp(callsign, &nr_neigh->callsign) == 0 && nr_neigh->dev == dev) { nr_neigh_hold(nr_neigh); @@ -114,10 +112,9 @@ static int __must_check nr_add_node(ax25_address *nr, const char *mnemonic, */ if (nr_neigh != NULL && nr_neigh->failed != 0 && quality == 0) { struct nr_node *nr_nodet; - struct hlist_node *node; spin_lock_bh(&nr_node_list_lock); - nr_node_for_each(nr_nodet, node, &nr_node_list) { + nr_node_for_each(nr_nodet, &nr_node_list) { nr_node_lock(nr_nodet); for (i = 0; i < nr_nodet->count; i++) if (nr_nodet->routes[i].neighbour == nr_neigh) @@ -485,11 +482,11 @@ static int nr_dec_obs(void) { struct nr_neigh *nr_neigh; struct nr_node *s; - struct hlist_node *node, *nodet; + struct hlist_node *nodet; int i; spin_lock_bh(&nr_node_list_lock); - nr_node_for_each_safe(s, node, nodet, &nr_node_list) { + nr_node_for_each_safe(s, nodet, &nr_node_list) { nr_node_lock(s); for (i = 0; i < s->count; i++) { switch (s->routes[i].obs_count) { @@ -540,15 +537,15 @@ static int nr_dec_obs(void) void nr_rt_device_down(struct net_device *dev) { struct nr_neigh *s; - struct hlist_node *node, *nodet, *node2, *node2t; + struct hlist_node *nodet, *node2t; struct nr_node *t; int i; spin_lock_bh(&nr_neigh_list_lock); - nr_neigh_for_each_safe(s, node, nodet, &nr_neigh_list) { + nr_neigh_for_each_safe(s, nodet, &nr_neigh_list) { if (s->dev == dev) { spin_lock_bh(&nr_node_list_lock); - nr_node_for_each_safe(t, node2, node2t, &nr_node_list) { + nr_node_for_each_safe(t, node2t, &nr_node_list) { nr_node_lock(t); for (i = 0; i < t->count; i++) { if (t->routes[i].neighbour == s) { @@ -737,11 +734,10 @@ int nr_rt_ioctl(unsigned int cmd, void __user *arg) void nr_link_failed(ax25_cb *ax25, int reason) { struct nr_neigh *s, *nr_neigh = NULL; - struct hlist_node *node; struct nr_node *nr_node = NULL; spin_lock_bh(&nr_neigh_list_lock); - nr_neigh_for_each(s, node, &nr_neigh_list) { + nr_neigh_for_each(s, &nr_neigh_list) { if (s->ax25 == ax25) { nr_neigh_hold(s); nr_neigh = s; @@ -761,7 +757,7 @@ void nr_link_failed(ax25_cb *ax25, int reason) return; } spin_lock_bh(&nr_node_list_lock); - nr_node_for_each(nr_node, node, &nr_node_list) { + nr_node_for_each(nr_node, &nr_node_list) { nr_node_lock(nr_node); if (nr_node->which < nr_node->count && nr_node->routes[nr_node->which].neighbour == nr_neigh) @@ -1013,16 +1009,16 @@ void __exit nr_rt_free(void) { struct nr_neigh *s = NULL; struct nr_node *t = NULL; - struct hlist_node *node, *nodet; + struct hlist_node *nodet; spin_lock_bh(&nr_neigh_list_lock); spin_lock_bh(&nr_node_list_lock); - nr_node_for_each_safe(t, node, nodet, &nr_node_list) { + nr_node_for_each_safe(t, nodet, &nr_node_list) { nr_node_lock(t); nr_remove_node_locked(t); nr_node_unlock(t); } - nr_neigh_for_each_safe(s, node, nodet, &nr_neigh_list) { + nr_neigh_for_each_safe(s, nodet, &nr_neigh_list) { while(s->count) { s->count--; nr_neigh_put(s); diff --git a/net/nfc/llcp/llcp.c b/net/nfc/llcp/llcp.c index 746f5a2..7f8266d 100644 --- a/net/nfc/llcp/llcp.c +++ b/net/nfc/llcp/llcp.c @@ -71,14 +71,14 @@ static void nfc_llcp_socket_purge(struct nfc_llcp_sock *sock) static void nfc_llcp_socket_release(struct nfc_llcp_local *local, bool listen) { struct sock *sk; - struct hlist_node *node, *tmp; + struct hlist_node *tmp; struct nfc_llcp_sock *llcp_sock; skb_queue_purge(&local->tx_queue); write_lock(&local->sockets.lock); - sk_for_each_safe(sk, node, tmp, &local->sockets.head) { + sk_for_each_safe(sk, tmp, &local->sockets.head) { llcp_sock = nfc_llcp_sock(sk); bh_lock_sock(sk); @@ -171,7 +171,6 @@ static struct nfc_llcp_sock *nfc_llcp_sock_get(struct nfc_llcp_local *local, u8 ssap, u8 dsap) { struct sock *sk; - struct hlist_node *node; struct nfc_llcp_sock *llcp_sock, *tmp_sock; pr_debug("ssap dsap %d %d\n", ssap, dsap); @@ -183,7 +182,7 @@ static struct nfc_llcp_sock *nfc_llcp_sock_get(struct nfc_llcp_local *local, llcp_sock = NULL; - sk_for_each(sk, node, &local->sockets.head) { + sk_for_each(sk, &local->sockets.head) { tmp_sock = nfc_llcp_sock(sk); if (tmp_sock->ssap == ssap && tmp_sock->dsap == dsap) { @@ -272,7 +271,6 @@ struct nfc_llcp_sock *nfc_llcp_sock_from_sn(struct nfc_llcp_local *local, u8 *sn, size_t sn_len) { struct sock *sk; - struct hlist_node *node; struct nfc_llcp_sock *llcp_sock, *tmp_sock; pr_debug("sn %zd %p\n", sn_len, sn); @@ -284,7 +282,7 @@ struct nfc_llcp_sock *nfc_llcp_sock_from_sn(struct nfc_llcp_local *local, llcp_sock = NULL; - sk_for_each(sk, node, &local->sockets.head) { + sk_for_each(sk, &local->sockets.head) { tmp_sock = nfc_llcp_sock(sk); pr_debug("llcp sock %p\n", tmp_sock); @@ -601,14 +599,13 @@ static void nfc_llcp_set_nrns(struct nfc_llcp_sock *sock, struct sk_buff *pdu) void nfc_llcp_send_to_raw_sock(struct nfc_llcp_local *local, struct sk_buff *skb, u8 direction) { - struct hlist_node *node; struct sk_buff *skb_copy = NULL, *nskb; struct sock *sk; u8 *data; read_lock(&local->raw_sockets.lock); - sk_for_each(sk, node, &local->raw_sockets.head) { + sk_for_each(sk, &local->raw_sockets.head) { if (sk->sk_state != LLCP_BOUND) continue; @@ -697,11 +694,10 @@ static struct nfc_llcp_sock *nfc_llcp_connecting_sock_get(struct nfc_llcp_local { struct sock *sk; struct nfc_llcp_sock *llcp_sock; - struct hlist_node *node; read_lock(&local->connecting_sockets.lock); - sk_for_each(sk, node, &local->connecting_sockets.head) { + sk_for_each(sk, &local->connecting_sockets.head) { llcp_sock = nfc_llcp_sock(sk); if (llcp_sock->ssap == ssap) { diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c index 9dc537d..e87a265 100644 --- a/net/openvswitch/datapath.c +++ b/net/openvswitch/datapath.c @@ -158,11 +158,10 @@ static struct hlist_head *vport_hash_bucket(const struct datapath *dp, struct vport *ovs_lookup_vport(const struct datapath *dp, u16 port_no) { struct vport *vport; - struct hlist_node *n; struct hlist_head *head; head = vport_hash_bucket(dp, port_no); - hlist_for_each_entry_rcu(vport, n, head, dp_hash_node) { + hlist_for_each_entry_rcu(vport, head, dp_hash_node) { if (vport->port_no == port_no) return vport; } @@ -1386,9 +1385,9 @@ static void __dp_destroy(struct datapath *dp) for (i = 0; i < DP_VPORT_HASH_BUCKETS; i++) { struct vport *vport; - struct hlist_node *node, *n; + struct hlist_node *n; - hlist_for_each_entry_safe(vport, node, n, &dp->ports[i], dp_hash_node) + hlist_for_each_entry_safe(vport, n, &dp->ports[i], dp_hash_node) if (vport->port_no != OVSP_LOCAL) ovs_dp_detach_port(vport); } @@ -1825,10 +1824,9 @@ static int ovs_vport_cmd_dump(struct sk_buff *skb, struct netlink_callback *cb) rcu_read_lock(); for (i = bucket; i < DP_VPORT_HASH_BUCKETS; i++) { struct vport *vport; - struct hlist_node *n; j = 0; - hlist_for_each_entry_rcu(vport, n, &dp->ports[i], dp_hash_node) { + hlist_for_each_entry_rcu(vport, &dp->ports[i], dp_hash_node) { if (j >= skip && ovs_vport_cmd_fill_info(vport, skb, NETLINK_CB(cb->skb).portid, diff --git a/net/openvswitch/flow.c b/net/openvswitch/flow.c index c3294ce..20605ec 100644 --- a/net/openvswitch/flow.c +++ b/net/openvswitch/flow.c @@ -299,10 +299,10 @@ void ovs_flow_tbl_destroy(struct flow_table *table) for (i = 0; i < table->n_buckets; i++) { struct sw_flow *flow; struct hlist_head *head = flex_array_get(table->buckets, i); - struct hlist_node *node, *n; + struct hlist_node *n; int ver = table->node_ver; - hlist_for_each_entry_safe(flow, node, n, head, hash_node[ver]) { + hlist_for_each_entry_safe(flow, n, head, hash_node[ver]) { hlist_del_rcu(&flow->hash_node[ver]); ovs_flow_free(flow); } @@ -332,7 +332,6 @@ struct sw_flow *ovs_flow_tbl_next(struct flow_table *table, u32 *bucket, u32 *la { struct sw_flow *flow; struct hlist_head *head; - struct hlist_node *n; int ver; int i; @@ -340,7 +339,7 @@ struct sw_flow *ovs_flow_tbl_next(struct flow_table *table, u32 *bucket, u32 *la while (*bucket < table->n_buckets) { i = 0; head = flex_array_get(table->buckets, *bucket); - hlist_for_each_entry_rcu(flow, n, head, hash_node[ver]) { + hlist_for_each_entry_rcu(flow, head, hash_node[ver]) { if (i < *last) { i++; continue; @@ -367,11 +366,10 @@ static void flow_table_copy_flows(struct flow_table *old, struct flow_table *new for (i = 0; i < old->n_buckets; i++) { struct sw_flow *flow; struct hlist_head *head; - struct hlist_node *n; head = flex_array_get(old->buckets, i); - hlist_for_each_entry(flow, n, head, hash_node[old_ver]) + hlist_for_each_entry(flow, head, hash_node[old_ver]) ovs_flow_tbl_insert(new, flow); } old->keep_flows = true; @@ -766,14 +764,13 @@ struct sw_flow *ovs_flow_tbl_lookup(struct flow_table *table, struct sw_flow_key *key, int key_len) { struct sw_flow *flow; - struct hlist_node *n; struct hlist_head *head; u32 hash; hash = ovs_flow_hash(key, key_len); head = find_bucket(table, hash); - hlist_for_each_entry_rcu(flow, n, head, hash_node[table->node_ver]) { + hlist_for_each_entry_rcu(flow, head, hash_node[table->node_ver]) { if (flow->hash == hash && !memcmp(&flow->key, key, key_len)) { diff --git a/net/openvswitch/vport.c b/net/openvswitch/vport.c index 70af0be..ba717cc 100644 --- a/net/openvswitch/vport.c +++ b/net/openvswitch/vport.c @@ -86,9 +86,8 @@ struct vport *ovs_vport_locate(struct net *net, const char *name) { struct hlist_head *bucket = hash_bucket(net, name); struct vport *vport; - struct hlist_node *node; - hlist_for_each_entry_rcu(vport, node, bucket, hash_node) + hlist_for_each_entry_rcu(vport, bucket, hash_node) if (!strcmp(name, vport->ops->get_name(vport)) && net_eq(ovs_dp_get_net(vport->dp), net)) return vport; diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index c7bfeff..1d6793d 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -3263,12 +3263,11 @@ static int packet_getsockopt(struct socket *sock, int level, int optname, static int packet_notifier(struct notifier_block *this, unsigned long msg, void *data) { struct sock *sk; - struct hlist_node *node; struct net_device *dev = data; struct net *net = dev_net(dev); rcu_read_lock(); - sk_for_each_rcu(sk, node, &net->packet.sklist) { + sk_for_each_rcu(sk, &net->packet.sklist) { struct packet_sock *po = pkt_sk(sk); switch (msg) { diff --git a/net/packet/diag.c b/net/packet/diag.c index 8db6e21..d3fcd1e 100644 --- a/net/packet/diag.c +++ b/net/packet/diag.c @@ -172,13 +172,12 @@ static int packet_diag_dump(struct sk_buff *skb, struct netlink_callback *cb) struct packet_diag_req *req; struct net *net; struct sock *sk; - struct hlist_node *node; net = sock_net(skb->sk); req = nlmsg_data(cb->nlh); mutex_lock(&net->packet.sklist_lock); - sk_for_each(sk, node, &net->packet.sklist) { + sk_for_each(sk, &net->packet.sklist) { if (!net_eq(sock_net(sk), net)) continue; if (num < s_num) diff --git a/net/phonet/pep.c b/net/phonet/pep.c index 576f22c..e774117 100644 --- a/net/phonet/pep.c +++ b/net/phonet/pep.c @@ -640,11 +640,10 @@ static struct sock *pep_find_pipe(const struct hlist_head *hlist, const struct sockaddr_pn *dst, u8 pipe_handle) { - struct hlist_node *node; struct sock *sknode; u16 dobj = pn_sockaddr_get_object(dst); - sk_for_each(sknode, node, hlist) { + sk_for_each(sknode, hlist) { struct pep_sock *pnnode = pep_sk(sknode); /* Ports match, but addresses might not: */ diff --git a/net/phonet/socket.c b/net/phonet/socket.c index b7e9827..1afd138 100644 --- a/net/phonet/socket.c +++ b/net/phonet/socket.c @@ -76,7 +76,6 @@ static struct hlist_head *pn_hash_list(u16 obj) */ struct sock *pn_find_sock_by_sa(struct net *net, const struct sockaddr_pn *spn) { - struct hlist_node *node; struct sock *sknode; struct sock *rval = NULL; u16 obj = pn_sockaddr_get_object(spn); @@ -84,7 +83,7 @@ struct sock *pn_find_sock_by_sa(struct net *net, const struct sockaddr_pn *spn) struct hlist_head *hlist = pn_hash_list(obj); rcu_read_lock(); - sk_for_each_rcu(sknode, node, hlist) { + sk_for_each_rcu(sknode, hlist) { struct pn_sock *pn = pn_sk(sknode); BUG_ON(!pn->sobject); /* unbound socket */ @@ -120,10 +119,9 @@ void pn_deliver_sock_broadcast(struct net *net, struct sk_buff *skb) rcu_read_lock(); for (h = 0; h < PN_HASHSIZE; h++) { - struct hlist_node *node; struct sock *sknode; - sk_for_each(sknode, node, hlist) { + sk_for_each(sknode, hlist) { struct sk_buff *clone; if (!net_eq(sock_net(sknode), net)) @@ -543,12 +541,11 @@ static struct sock *pn_sock_get_idx(struct seq_file *seq, loff_t pos) { struct net *net = seq_file_net(seq); struct hlist_head *hlist = pnsocks.hlist; - struct hlist_node *node; struct sock *sknode; unsigned int h; for (h = 0; h < PN_HASHSIZE; h++) { - sk_for_each_rcu(sknode, node, hlist) { + sk_for_each_rcu(sknode, hlist) { if (!net_eq(net, sock_net(sknode))) continue; if (!pos) diff --git a/net/rds/bind.c b/net/rds/bind.c index 637bde5..b5ad65a 100644 --- a/net/rds/bind.c +++ b/net/rds/bind.c @@ -52,13 +52,12 @@ static struct rds_sock *rds_bind_lookup(__be32 addr, __be16 port, struct rds_sock *insert) { struct rds_sock *rs; - struct hlist_node *node; struct hlist_head *head = hash_to_bucket(addr, port); u64 cmp; u64 needle = ((u64)be32_to_cpu(addr) << 32) | be16_to_cpu(port); rcu_read_lock(); - hlist_for_each_entry_rcu(rs, node, head, rs_bound_node) { + hlist_for_each_entry_rcu(rs, head, rs_bound_node) { cmp = ((u64)be32_to_cpu(rs->rs_bound_addr) << 32) | be16_to_cpu(rs->rs_bound_port); diff --git a/net/rds/connection.c b/net/rds/connection.c index 9e07c75..642ad42 100644 --- a/net/rds/connection.c +++ b/net/rds/connection.c @@ -69,9 +69,8 @@ static struct rds_connection *rds_conn_lookup(struct hlist_head *head, struct rds_transport *trans) { struct rds_connection *conn, *ret = NULL; - struct hlist_node *pos; - hlist_for_each_entry_rcu(conn, pos, head, c_hash_node) { + hlist_for_each_entry_rcu(conn, head, c_hash_node) { if (conn->c_faddr == faddr && conn->c_laddr == laddr && conn->c_trans == trans) { ret = conn; @@ -376,7 +375,6 @@ static void rds_conn_message_info(struct socket *sock, unsigned int len, int want_send) { struct hlist_head *head; - struct hlist_node *pos; struct list_head *list; struct rds_connection *conn; struct rds_message *rm; @@ -390,7 +388,7 @@ static void rds_conn_message_info(struct socket *sock, unsigned int len, for (i = 0, head = rds_conn_hash; i < ARRAY_SIZE(rds_conn_hash); i++, head++) { - hlist_for_each_entry_rcu(conn, pos, head, c_hash_node) { + hlist_for_each_entry_rcu(conn, head, c_hash_node) { if (want_send) list = &conn->c_send_queue; else @@ -439,7 +437,6 @@ void rds_for_each_conn_info(struct socket *sock, unsigned int len, { uint64_t buffer[(item_len + 7) / 8]; struct hlist_head *head; - struct hlist_node *pos; struct rds_connection *conn; size_t i; @@ -450,7 +447,7 @@ void rds_for_each_conn_info(struct socket *sock, unsigned int len, for (i = 0, head = rds_conn_hash; i < ARRAY_SIZE(rds_conn_hash); i++, head++) { - hlist_for_each_entry_rcu(conn, pos, head, c_hash_node) { + hlist_for_each_entry_rcu(conn, head, c_hash_node) { /* XXX no c_lock usage.. */ if (!visitor(conn, buffer)) diff --git a/net/rds/message.c b/net/rds/message.c index f0a4658..aba232f 100644 --- a/net/rds/message.c +++ b/net/rds/message.c @@ -82,10 +82,7 @@ static void rds_message_purge(struct rds_message *rm) void rds_message_put(struct rds_message *rm) { rdsdebug("put rm %p ref %d\n", rm, atomic_read(&rm->m_refcount)); - if (atomic_read(&rm->m_refcount) == 0) { -printk(KERN_CRIT "danger refcount zero on %p\n", rm); -WARN_ON(1); - } + WARN(!atomic_read(&rm->m_refcount), "danger refcount zero on %p\n", rm); if (atomic_dec_and_test(&rm->m_refcount)) { BUG_ON(!list_empty(&rm->m_sock_item)); BUG_ON(!list_empty(&rm->m_conn_item)); @@ -197,6 +194,9 @@ struct rds_message *rds_message_alloc(unsigned int extra_len, gfp_t gfp) { struct rds_message *rm; + if (extra_len > KMALLOC_MAX_SIZE - sizeof(struct rds_message)) + return NULL; + rm = kzalloc(sizeof(struct rds_message) + extra_len, gfp); if (!rm) goto out; diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c index b768fe9..cf68e6e 100644 --- a/net/rose/af_rose.c +++ b/net/rose/af_rose.c @@ -165,10 +165,9 @@ static void rose_remove_socket(struct sock *sk) void rose_kill_by_neigh(struct rose_neigh *neigh) { struct sock *s; - struct hlist_node *node; spin_lock_bh(&rose_list_lock); - sk_for_each(s, node, &rose_list) { + sk_for_each(s, &rose_list) { struct rose_sock *rose = rose_sk(s); if (rose->neighbour == neigh) { @@ -186,10 +185,9 @@ void rose_kill_by_neigh(struct rose_neigh *neigh) static void rose_kill_by_device(struct net_device *dev) { struct sock *s; - struct hlist_node *node; spin_lock_bh(&rose_list_lock); - sk_for_each(s, node, &rose_list) { + sk_for_each(s, &rose_list) { struct rose_sock *rose = rose_sk(s); if (rose->device == dev) { @@ -246,10 +244,9 @@ static void rose_insert_socket(struct sock *sk) static struct sock *rose_find_listener(rose_address *addr, ax25_address *call) { struct sock *s; - struct hlist_node *node; spin_lock_bh(&rose_list_lock); - sk_for_each(s, node, &rose_list) { + sk_for_each(s, &rose_list) { struct rose_sock *rose = rose_sk(s); if (!rosecmp(&rose->source_addr, addr) && @@ -258,7 +255,7 @@ static struct sock *rose_find_listener(rose_address *addr, ax25_address *call) goto found; } - sk_for_each(s, node, &rose_list) { + sk_for_each(s, &rose_list) { struct rose_sock *rose = rose_sk(s); if (!rosecmp(&rose->source_addr, addr) && @@ -278,10 +275,9 @@ found: struct sock *rose_find_socket(unsigned int lci, struct rose_neigh *neigh) { struct sock *s; - struct hlist_node *node; spin_lock_bh(&rose_list_lock); - sk_for_each(s, node, &rose_list) { + sk_for_each(s, &rose_list) { struct rose_sock *rose = rose_sk(s); if (rose->lci == lci && rose->neighbour == neigh) diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index a181b48..c297e2a 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -545,7 +545,7 @@ static void qdisc_class_hash_free(struct hlist_head *h, unsigned int n) void qdisc_class_hash_grow(struct Qdisc *sch, struct Qdisc_class_hash *clhash) { struct Qdisc_class_common *cl; - struct hlist_node *n, *next; + struct hlist_node *next; struct hlist_head *nhash, *ohash; unsigned int nsize, nmask, osize; unsigned int i, h; @@ -564,7 +564,7 @@ void qdisc_class_hash_grow(struct Qdisc *sch, struct Qdisc_class_hash *clhash) sch_tree_lock(sch); for (i = 0; i < osize; i++) { - hlist_for_each_entry_safe(cl, n, next, &ohash[i], hnode) { + hlist_for_each_entry_safe(cl, next, &ohash[i], hnode) { h = qdisc_class_hash(cl->classid, nmask); hlist_add_head(&cl->hnode, &nhash[h]); } diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c index 0e19948..13aa47a 100644 --- a/net/sched/sch_cbq.c +++ b/net/sched/sch_cbq.c @@ -1041,14 +1041,13 @@ static void cbq_adjust_levels(struct cbq_class *this) static void cbq_normalize_quanta(struct cbq_sched_data *q, int prio) { struct cbq_class *cl; - struct hlist_node *n; unsigned int h; if (q->quanta[prio] == 0) return; for (h = 0; h < q->clhash.hashsize; h++) { - hlist_for_each_entry(cl, n, &q->clhash.hash[h], common.hnode) { + hlist_for_each_entry(cl, &q->clhash.hash[h], common.hnode) { /* BUGGGG... Beware! This expression suffer of * arithmetic overflows! */ @@ -1087,10 +1086,9 @@ static void cbq_sync_defmap(struct cbq_class *cl) continue; for (h = 0; h < q->clhash.hashsize; h++) { - struct hlist_node *n; struct cbq_class *c; - hlist_for_each_entry(c, n, &q->clhash.hash[h], + hlist_for_each_entry(c, &q->clhash.hash[h], common.hnode) { if (c->split == split && c->level < level && c->defmap & (1<<i)) { @@ -1210,7 +1208,6 @@ cbq_reset(struct Qdisc *sch) { struct cbq_sched_data *q = qdisc_priv(sch); struct cbq_class *cl; - struct hlist_node *n; int prio; unsigned int h; @@ -1228,7 +1225,7 @@ cbq_reset(struct Qdisc *sch) q->active[prio] = NULL; for (h = 0; h < q->clhash.hashsize; h++) { - hlist_for_each_entry(cl, n, &q->clhash.hash[h], common.hnode) { + hlist_for_each_entry(cl, &q->clhash.hash[h], common.hnode) { qdisc_reset(cl->q); cl->next_alive = NULL; @@ -1697,7 +1694,7 @@ static void cbq_destroy_class(struct Qdisc *sch, struct cbq_class *cl) static void cbq_destroy(struct Qdisc *sch) { struct cbq_sched_data *q = qdisc_priv(sch); - struct hlist_node *n, *next; + struct hlist_node *next; struct cbq_class *cl; unsigned int h; @@ -1710,11 +1707,11 @@ static void cbq_destroy(struct Qdisc *sch) * be bound to classes which have been destroyed already. --TGR '04 */ for (h = 0; h < q->clhash.hashsize; h++) { - hlist_for_each_entry(cl, n, &q->clhash.hash[h], common.hnode) + hlist_for_each_entry(cl, &q->clhash.hash[h], common.hnode) tcf_destroy_chain(&cl->filter_list); } for (h = 0; h < q->clhash.hashsize; h++) { - hlist_for_each_entry_safe(cl, n, next, &q->clhash.hash[h], + hlist_for_each_entry_safe(cl, next, &q->clhash.hash[h], common.hnode) cbq_destroy_class(sch, cl); } @@ -2013,14 +2010,13 @@ static void cbq_walk(struct Qdisc *sch, struct qdisc_walker *arg) { struct cbq_sched_data *q = qdisc_priv(sch); struct cbq_class *cl; - struct hlist_node *n; unsigned int h; if (arg->stop) return; for (h = 0; h < q->clhash.hashsize; h++) { - hlist_for_each_entry(cl, n, &q->clhash.hash[h], common.hnode) { + hlist_for_each_entry(cl, &q->clhash.hash[h], common.hnode) { if (arg->count < arg->skip) { arg->count++; continue; diff --git a/net/sched/sch_drr.c b/net/sched/sch_drr.c index 71e50c8..759b308 100644 --- a/net/sched/sch_drr.c +++ b/net/sched/sch_drr.c @@ -293,14 +293,13 @@ static void drr_walk(struct Qdisc *sch, struct qdisc_walker *arg) { struct drr_sched *q = qdisc_priv(sch); struct drr_class *cl; - struct hlist_node *n; unsigned int i; if (arg->stop) return; for (i = 0; i < q->clhash.hashsize; i++) { - hlist_for_each_entry(cl, n, &q->clhash.hash[i], common.hnode) { + hlist_for_each_entry(cl, &q->clhash.hash[i], common.hnode) { if (arg->count < arg->skip) { arg->count++; continue; @@ -451,11 +450,10 @@ static void drr_reset_qdisc(struct Qdisc *sch) { struct drr_sched *q = qdisc_priv(sch); struct drr_class *cl; - struct hlist_node *n; unsigned int i; for (i = 0; i < q->clhash.hashsize; i++) { - hlist_for_each_entry(cl, n, &q->clhash.hash[i], common.hnode) { + hlist_for_each_entry(cl, &q->clhash.hash[i], common.hnode) { if (cl->qdisc->q.qlen) list_del(&cl->alist); qdisc_reset(cl->qdisc); @@ -468,13 +466,13 @@ static void drr_destroy_qdisc(struct Qdisc *sch) { struct drr_sched *q = qdisc_priv(sch); struct drr_class *cl; - struct hlist_node *n, *next; + struct hlist_node *next; unsigned int i; tcf_destroy_chain(&q->filter_list); for (i = 0; i < q->clhash.hashsize; i++) { - hlist_for_each_entry_safe(cl, n, next, &q->clhash.hash[i], + hlist_for_each_entry_safe(cl, next, &q->clhash.hash[i], common.hnode) drr_destroy_class(sch, cl); } diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c index 6c2ec45..9facea0 100644 --- a/net/sched/sch_hfsc.c +++ b/net/sched/sch_hfsc.c @@ -1389,7 +1389,6 @@ static void hfsc_walk(struct Qdisc *sch, struct qdisc_walker *arg) { struct hfsc_sched *q = qdisc_priv(sch); - struct hlist_node *n; struct hfsc_class *cl; unsigned int i; @@ -1397,7 +1396,7 @@ hfsc_walk(struct Qdisc *sch, struct qdisc_walker *arg) return; for (i = 0; i < q->clhash.hashsize; i++) { - hlist_for_each_entry(cl, n, &q->clhash.hash[i], + hlist_for_each_entry(cl, &q->clhash.hash[i], cl_common.hnode) { if (arg->count < arg->skip) { arg->count++; @@ -1523,11 +1522,10 @@ hfsc_reset_qdisc(struct Qdisc *sch) { struct hfsc_sched *q = qdisc_priv(sch); struct hfsc_class *cl; - struct hlist_node *n; unsigned int i; for (i = 0; i < q->clhash.hashsize; i++) { - hlist_for_each_entry(cl, n, &q->clhash.hash[i], cl_common.hnode) + hlist_for_each_entry(cl, &q->clhash.hash[i], cl_common.hnode) hfsc_reset_class(cl); } q->eligible = RB_ROOT; @@ -1540,16 +1538,16 @@ static void hfsc_destroy_qdisc(struct Qdisc *sch) { struct hfsc_sched *q = qdisc_priv(sch); - struct hlist_node *n, *next; + struct hlist_node *next; struct hfsc_class *cl; unsigned int i; for (i = 0; i < q->clhash.hashsize; i++) { - hlist_for_each_entry(cl, n, &q->clhash.hash[i], cl_common.hnode) + hlist_for_each_entry(cl, &q->clhash.hash[i], cl_common.hnode) tcf_destroy_chain(&cl->filter_list); } for (i = 0; i < q->clhash.hashsize; i++) { - hlist_for_each_entry_safe(cl, n, next, &q->clhash.hash[i], + hlist_for_each_entry_safe(cl, next, &q->clhash.hash[i], cl_common.hnode) hfsc_destroy_class(sch, cl); } @@ -1564,12 +1562,11 @@ hfsc_dump_qdisc(struct Qdisc *sch, struct sk_buff *skb) unsigned char *b = skb_tail_pointer(skb); struct tc_hfsc_qopt qopt; struct hfsc_class *cl; - struct hlist_node *n; unsigned int i; sch->qstats.backlog = 0; for (i = 0; i < q->clhash.hashsize; i++) { - hlist_for_each_entry(cl, n, &q->clhash.hash[i], cl_common.hnode) + hlist_for_each_entry(cl, &q->clhash.hash[i], cl_common.hnode) sch->qstats.backlog += cl->qdisc->qstats.backlog; } diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c index 03c2692..571f1d2 100644 --- a/net/sched/sch_htb.c +++ b/net/sched/sch_htb.c @@ -949,11 +949,10 @@ static void htb_reset(struct Qdisc *sch) { struct htb_sched *q = qdisc_priv(sch); struct htb_class *cl; - struct hlist_node *n; unsigned int i; for (i = 0; i < q->clhash.hashsize; i++) { - hlist_for_each_entry(cl, n, &q->clhash.hash[i], common.hnode) { + hlist_for_each_entry(cl, &q->clhash.hash[i], common.hnode) { if (cl->level) memset(&cl->un.inner, 0, sizeof(cl->un.inner)); else { @@ -1218,7 +1217,7 @@ static void htb_destroy_class(struct Qdisc *sch, struct htb_class *cl) static void htb_destroy(struct Qdisc *sch) { struct htb_sched *q = qdisc_priv(sch); - struct hlist_node *n, *next; + struct hlist_node *next; struct htb_class *cl; unsigned int i; @@ -1232,11 +1231,11 @@ static void htb_destroy(struct Qdisc *sch) tcf_destroy_chain(&q->filter_list); for (i = 0; i < q->clhash.hashsize; i++) { - hlist_for_each_entry(cl, n, &q->clhash.hash[i], common.hnode) + hlist_for_each_entry(cl, &q->clhash.hash[i], common.hnode) tcf_destroy_chain(&cl->filter_list); } for (i = 0; i < q->clhash.hashsize; i++) { - hlist_for_each_entry_safe(cl, n, next, &q->clhash.hash[i], + hlist_for_each_entry_safe(cl, next, &q->clhash.hash[i], common.hnode) htb_destroy_class(sch, cl); } @@ -1516,14 +1515,13 @@ static void htb_walk(struct Qdisc *sch, struct qdisc_walker *arg) { struct htb_sched *q = qdisc_priv(sch); struct htb_class *cl; - struct hlist_node *n; unsigned int i; if (arg->stop) return; for (i = 0; i < q->clhash.hashsize; i++) { - hlist_for_each_entry(cl, n, &q->clhash.hash[i], common.hnode) { + hlist_for_each_entry(cl, &q->clhash.hash[i], common.hnode) { if (arg->count < arg->skip) { arg->count++; continue; diff --git a/net/sched/sch_qfq.c b/net/sched/sch_qfq.c index 6ed3765..d51852b 100644 --- a/net/sched/sch_qfq.c +++ b/net/sched/sch_qfq.c @@ -276,9 +276,8 @@ static struct qfq_aggregate *qfq_find_agg(struct qfq_sched *q, u32 lmax, u32 weight) { struct qfq_aggregate *agg; - struct hlist_node *n; - hlist_for_each_entry(agg, n, &q->nonfull_aggs, nonfull_next) + hlist_for_each_entry(agg, &q->nonfull_aggs, nonfull_next) if (agg->lmax == lmax && agg->class_weight == weight) return agg; @@ -299,6 +298,10 @@ static void qfq_update_agg(struct qfq_sched *q, struct qfq_aggregate *agg, new_num_classes == q->max_agg_classes - 1) /* agg no more full */ hlist_add_head(&agg->nonfull_next, &q->nonfull_aggs); + /* The next assignment may let + * agg->initial_budget > agg->budgetmax + * hold, we will take it into account in charge_actual_service(). + */ agg->budgetmax = new_num_classes * agg->lmax; new_agg_weight = agg->class_weight * new_num_classes; agg->inv_w = ONE_FP/new_agg_weight; @@ -670,14 +673,13 @@ static void qfq_walk(struct Qdisc *sch, struct qdisc_walker *arg) { struct qfq_sched *q = qdisc_priv(sch); struct qfq_class *cl; - struct hlist_node *n; unsigned int i; if (arg->stop) return; for (i = 0; i < q->clhash.hashsize; i++) { - hlist_for_each_entry(cl, n, &q->clhash.hash[i], common.hnode) { + hlist_for_each_entry(cl, &q->clhash.hash[i], common.hnode) { if (arg->count < arg->skip) { arg->count++; continue; @@ -819,7 +821,7 @@ static void qfq_make_eligible(struct qfq_sched *q) unsigned long old_vslot = q->oldV >> q->min_slot_shift; if (vslot != old_vslot) { - unsigned long mask = (1UL << fls(vslot ^ old_vslot)) - 1; + unsigned long mask = (1ULL << fls(vslot ^ old_vslot)) - 1; qfq_move_groups(q, mask, IR, ER); qfq_move_groups(q, mask, IB, EB); } @@ -990,12 +992,23 @@ static inline struct sk_buff *qfq_peek_skb(struct qfq_aggregate *agg, /* Update F according to the actual service received by the aggregate. */ static inline void charge_actual_service(struct qfq_aggregate *agg) { - /* compute the service received by the aggregate */ - u32 service_received = agg->initial_budget - agg->budget; + /* Compute the service received by the aggregate, taking into + * account that, after decreasing the number of classes in + * agg, it may happen that + * agg->initial_budget - agg->budget > agg->bugdetmax + */ + u32 service_received = min(agg->budgetmax, + agg->initial_budget - agg->budget); agg->F = agg->S + (u64)service_received * agg->inv_w; } +static inline void qfq_update_agg_ts(struct qfq_sched *q, + struct qfq_aggregate *agg, + enum update_reason reason); + +static void qfq_schedule_agg(struct qfq_sched *q, struct qfq_aggregate *agg); + static struct sk_buff *qfq_dequeue(struct Qdisc *sch) { struct qfq_sched *q = qdisc_priv(sch); @@ -1023,7 +1036,7 @@ static struct sk_buff *qfq_dequeue(struct Qdisc *sch) in_serv_agg->initial_budget = in_serv_agg->budget = in_serv_agg->budgetmax; - if (!list_empty(&in_serv_agg->active)) + if (!list_empty(&in_serv_agg->active)) { /* * Still active: reschedule for * service. Possible optimization: if no other @@ -1034,8 +1047,9 @@ static struct sk_buff *qfq_dequeue(struct Qdisc *sch) * handle it, we would need to maintain an * extra num_active_aggs field. */ - qfq_activate_agg(q, in_serv_agg, requeue); - else if (sch->q.qlen == 0) { /* no aggregate to serve */ + qfq_update_agg_ts(q, in_serv_agg, requeue); + qfq_schedule_agg(q, in_serv_agg); + } else if (sch->q.qlen == 0) { /* no aggregate to serve */ q->in_serv_agg = NULL; return NULL; } @@ -1054,7 +1068,15 @@ static struct sk_buff *qfq_dequeue(struct Qdisc *sch) qdisc_bstats_update(sch, skb); agg_dequeue(in_serv_agg, cl, len); - in_serv_agg->budget -= len; + /* If lmax is lowered, through qfq_change_class, for a class + * owning pending packets with larger size than the new value + * of lmax, then the following condition may hold. + */ + if (unlikely(in_serv_agg->budget < len)) + in_serv_agg->budget = 0; + else + in_serv_agg->budget -= len; + q->V += (u64)len * IWSUM; pr_debug("qfq dequeue: len %u F %lld now %lld\n", len, (unsigned long long) in_serv_agg->F, @@ -1219,17 +1241,11 @@ static int qfq_enqueue(struct sk_buff *skb, struct Qdisc *sch) cl->deficit = agg->lmax; list_add_tail(&cl->alist, &agg->active); - if (list_first_entry(&agg->active, struct qfq_class, alist) != cl) - return err; /* aggregate was not empty, nothing else to do */ + if (list_first_entry(&agg->active, struct qfq_class, alist) != cl || + q->in_serv_agg == agg) + return err; /* non-empty or in service, nothing else to do */ - /* recharge budget */ - agg->initial_budget = agg->budget = agg->budgetmax; - - qfq_update_agg_ts(q, agg, enqueue); - if (q->in_serv_agg == NULL) - q->in_serv_agg = agg; - else if (agg != q->in_serv_agg) - qfq_schedule_agg(q, agg); + qfq_activate_agg(q, agg, enqueue); return err; } @@ -1263,7 +1279,8 @@ static void qfq_schedule_agg(struct qfq_sched *q, struct qfq_aggregate *agg) /* group was surely ineligible, remove */ __clear_bit(grp->index, &q->bitmaps[IR]); __clear_bit(grp->index, &q->bitmaps[IB]); - } else if (!q->bitmaps[ER] && qfq_gt(roundedS, q->V)) + } else if (!q->bitmaps[ER] && qfq_gt(roundedS, q->V) && + q->in_serv_agg == NULL) q->V = roundedS; grp->S = roundedS; @@ -1286,8 +1303,15 @@ skip_update: static void qfq_activate_agg(struct qfq_sched *q, struct qfq_aggregate *agg, enum update_reason reason) { + agg->initial_budget = agg->budget = agg->budgetmax; /* recharge budg. */ + qfq_update_agg_ts(q, agg, reason); - qfq_schedule_agg(q, agg); + if (q->in_serv_agg == NULL) { /* no aggr. in service or scheduled */ + q->in_serv_agg = agg; /* start serving this aggregate */ + /* update V: to be in service, agg must be eligible */ + q->oldV = q->V = agg->S; + } else if (agg != q->in_serv_agg) + qfq_schedule_agg(q, agg); } static void qfq_slot_remove(struct qfq_sched *q, struct qfq_group *grp, @@ -1359,8 +1383,6 @@ static void qfq_deactivate_agg(struct qfq_sched *q, struct qfq_aggregate *agg) __set_bit(grp->index, &q->bitmaps[s]); } } - - qfq_update_eligible(q); } static void qfq_qlen_notify(struct Qdisc *sch, unsigned long arg) @@ -1376,11 +1398,10 @@ static unsigned int qfq_drop_from_slot(struct qfq_sched *q, struct hlist_head *slot) { struct qfq_aggregate *agg; - struct hlist_node *n; struct qfq_class *cl; unsigned int len; - hlist_for_each_entry(agg, n, slot, next) { + hlist_for_each_entry(agg, slot, next) { list_for_each_entry(cl, &agg->active, alist) { if (!cl->qdisc->ops->drop) @@ -1459,11 +1480,10 @@ static void qfq_reset_qdisc(struct Qdisc *sch) { struct qfq_sched *q = qdisc_priv(sch); struct qfq_class *cl; - struct hlist_node *n; unsigned int i; for (i = 0; i < q->clhash.hashsize; i++) { - hlist_for_each_entry(cl, n, &q->clhash.hash[i], common.hnode) { + hlist_for_each_entry(cl, &q->clhash.hash[i], common.hnode) { if (cl->qdisc->q.qlen > 0) qfq_deactivate_class(q, cl); @@ -1477,13 +1497,13 @@ static void qfq_destroy_qdisc(struct Qdisc *sch) { struct qfq_sched *q = qdisc_priv(sch); struct qfq_class *cl; - struct hlist_node *n, *next; + struct hlist_node *next; unsigned int i; tcf_destroy_chain(&q->filter_list); for (i = 0; i < q->clhash.hashsize; i++) { - hlist_for_each_entry_safe(cl, n, next, &q->clhash.hash[i], + hlist_for_each_entry_safe(cl, next, &q->clhash.hash[i], common.hnode) { qfq_destroy_class(sch, cl); } diff --git a/net/sctp/associola.c b/net/sctp/associola.c index 2f95f5a..43cd0dd 100644 --- a/net/sctp/associola.c +++ b/net/sctp/associola.c @@ -1591,32 +1591,31 @@ int sctp_assoc_lookup_laddr(struct sctp_association *asoc, /* Set an association id for a given association */ int sctp_assoc_set_id(struct sctp_association *asoc, gfp_t gfp) { - int assoc_id; - int error = 0; + bool preload = gfp & __GFP_WAIT; + int ret; /* If the id is already assigned, keep it. */ if (asoc->assoc_id) - return error; -retry: - if (unlikely(!idr_pre_get(&sctp_assocs_id, gfp))) - return -ENOMEM; + return 0; + if (preload) + idr_preload(gfp); spin_lock_bh(&sctp_assocs_id_lock); - error = idr_get_new_above(&sctp_assocs_id, (void *)asoc, - idr_low, &assoc_id); - if (!error) { - idr_low = assoc_id + 1; + /* 0 is not a valid id, idr_low is always >= 1 */ + ret = idr_alloc(&sctp_assocs_id, asoc, idr_low, 0, GFP_NOWAIT); + if (ret >= 0) { + idr_low = ret + 1; if (idr_low == INT_MAX) idr_low = 1; } spin_unlock_bh(&sctp_assocs_id_lock); - if (error == -EAGAIN) - goto retry; - else if (error) - return error; + if (preload) + idr_preload_end(); + if (ret < 0) + return ret; - asoc->assoc_id = (sctp_assoc_t) assoc_id; - return error; + asoc->assoc_id = (sctp_assoc_t)ret; + return 0; } /* Free the ASCONF queue */ diff --git a/net/sctp/endpointola.c b/net/sctp/endpointola.c index 73aad3d..12ed45d 100644 --- a/net/sctp/endpointola.c +++ b/net/sctp/endpointola.c @@ -155,7 +155,7 @@ static struct sctp_endpoint *sctp_endpoint_init(struct sctp_endpoint *ep, /* SCTP-AUTH extensions*/ INIT_LIST_HEAD(&ep->endpoint_shared_keys); - null_key = sctp_auth_shkey_create(0, GFP_KERNEL); + null_key = sctp_auth_shkey_create(0, gfp); if (!null_key) goto nomem; @@ -332,7 +332,6 @@ static struct sctp_association *__sctp_endpoint_lookup_assoc( struct sctp_transport *t = NULL; struct sctp_hashbucket *head; struct sctp_ep_common *epb; - struct hlist_node *node; int hash; int rport; @@ -350,7 +349,7 @@ static struct sctp_association *__sctp_endpoint_lookup_assoc( rport); head = &sctp_assoc_hashtable[hash]; read_lock(&head->lock); - sctp_for_each_hentry(epb, node, &head->chain) { + sctp_for_each_hentry(epb, &head->chain) { tmp = sctp_assoc(epb); if (tmp->ep != ep || rport != tmp->peer.port) continue; diff --git a/net/sctp/input.c b/net/sctp/input.c index 965bbbb..4b2c831 100644 --- a/net/sctp/input.c +++ b/net/sctp/input.c @@ -784,13 +784,12 @@ static struct sctp_endpoint *__sctp_rcv_lookup_endpoint(struct net *net, struct sctp_hashbucket *head; struct sctp_ep_common *epb; struct sctp_endpoint *ep; - struct hlist_node *node; int hash; hash = sctp_ep_hashfn(net, ntohs(laddr->v4.sin_port)); head = &sctp_ep_hashtable[hash]; read_lock(&head->lock); - sctp_for_each_hentry(epb, node, &head->chain) { + sctp_for_each_hentry(epb, &head->chain) { ep = sctp_ep(epb); if (sctp_endpoint_is_match(ep, net, laddr)) goto hit; @@ -876,7 +875,6 @@ static struct sctp_association *__sctp_lookup_association( struct sctp_ep_common *epb; struct sctp_association *asoc; struct sctp_transport *transport; - struct hlist_node *node; int hash; /* Optimize here for direct hit, only listening connections can @@ -886,7 +884,7 @@ static struct sctp_association *__sctp_lookup_association( ntohs(peer->v4.sin_port)); head = &sctp_assoc_hashtable[hash]; read_lock(&head->lock); - sctp_for_each_hentry(epb, node, &head->chain) { + sctp_for_each_hentry(epb, &head->chain) { asoc = sctp_assoc(epb); transport = sctp_assoc_is_match(asoc, net, local, peer); if (transport) diff --git a/net/sctp/proc.c b/net/sctp/proc.c index 8c19e97..ab3bba8 100644 --- a/net/sctp/proc.c +++ b/net/sctp/proc.c @@ -213,7 +213,6 @@ static int sctp_eps_seq_show(struct seq_file *seq, void *v) struct sctp_ep_common *epb; struct sctp_endpoint *ep; struct sock *sk; - struct hlist_node *node; int hash = *(loff_t *)v; if (hash >= sctp_ep_hashsize) @@ -222,7 +221,7 @@ static int sctp_eps_seq_show(struct seq_file *seq, void *v) head = &sctp_ep_hashtable[hash]; sctp_local_bh_disable(); read_lock(&head->lock); - sctp_for_each_hentry(epb, node, &head->chain) { + sctp_for_each_hentry(epb, &head->chain) { ep = sctp_ep(epb); sk = epb->sk; if (!net_eq(sock_net(sk), seq_file_net(seq))) @@ -321,7 +320,6 @@ static int sctp_assocs_seq_show(struct seq_file *seq, void *v) struct sctp_ep_common *epb; struct sctp_association *assoc; struct sock *sk; - struct hlist_node *node; int hash = *(loff_t *)v; if (hash >= sctp_assoc_hashsize) @@ -330,7 +328,7 @@ static int sctp_assocs_seq_show(struct seq_file *seq, void *v) head = &sctp_assoc_hashtable[hash]; sctp_local_bh_disable(); read_lock(&head->lock); - sctp_for_each_hentry(epb, node, &head->chain) { + sctp_for_each_hentry(epb, &head->chain) { assoc = sctp_assoc(epb); sk = epb->sk; if (!net_eq(sock_net(sk), seq_file_net(seq))) @@ -436,7 +434,6 @@ static int sctp_remaddr_seq_show(struct seq_file *seq, void *v) struct sctp_hashbucket *head; struct sctp_ep_common *epb; struct sctp_association *assoc; - struct hlist_node *node; struct sctp_transport *tsp; int hash = *(loff_t *)v; @@ -447,7 +444,7 @@ static int sctp_remaddr_seq_show(struct seq_file *seq, void *v) sctp_local_bh_disable(); read_lock(&head->lock); rcu_read_lock(); - sctp_for_each_hentry(epb, node, &head->chain) { + sctp_for_each_hentry(epb, &head->chain) { if (!net_eq(sock_net(epb->sk), seq_file_net(seq))) continue; assoc = sctp_assoc(epb); diff --git a/net/sctp/socket.c b/net/sctp/socket.c index cedd9bf..b907073 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len, if (len < sizeof(sctp_assoc_t)) return -EINVAL; + /* Allow the struct to grow and fill in as much as possible */ + len = min_t(size_t, len, sizeof(sas)); + if (copy_from_user(&sas, optval, len)) return -EFAULT; @@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len, /* Mark beginning of a new observation period */ asoc->stats.max_obs_rto = asoc->rto_min; - /* Allow the struct to grow and fill in as much as possible */ - len = min_t(size_t, len, sizeof(sas)); - if (put_user(len, optlen)) return -EFAULT; @@ -5882,8 +5882,7 @@ static struct sctp_bind_bucket *sctp_bucket_create( static long sctp_get_port_local(struct sock *sk, union sctp_addr *addr) { struct sctp_bind_hashbucket *head; /* hash list */ - struct sctp_bind_bucket *pp; /* hash list port iterator */ - struct hlist_node *node; + struct sctp_bind_bucket *pp; unsigned short snum; int ret; @@ -5910,7 +5909,7 @@ static long sctp_get_port_local(struct sock *sk, union sctp_addr *addr) index = sctp_phashfn(sock_net(sk), rover); head = &sctp_port_hashtable[index]; sctp_spin_lock(&head->lock); - sctp_for_each_hentry(pp, node, &head->chain) + sctp_for_each_hentry(pp, &head->chain) if ((pp->port == rover) && net_eq(sock_net(sk), pp->net)) goto next; @@ -5938,7 +5937,7 @@ static long sctp_get_port_local(struct sock *sk, union sctp_addr *addr) */ head = &sctp_port_hashtable[sctp_phashfn(sock_net(sk), snum)]; sctp_spin_lock(&head->lock); - sctp_for_each_hentry(pp, node, &head->chain) { + sctp_for_each_hentry(pp, &head->chain) { if ((pp->port == snum) && net_eq(pp->net, sock_net(sk))) goto pp_found; } @@ -5970,7 +5969,7 @@ pp_found: * that this port/socket (sk) combination are already * in an endpoint. */ - sk_for_each_bound(sk2, node, &pp->owner) { + sk_for_each_bound(sk2, &pp->owner) { struct sctp_endpoint *ep2; ep2 = sctp_sk(sk2)->ep; diff --git a/net/sctp/ssnmap.c b/net/sctp/ssnmap.c index 442ad4e..825ea94 100644 --- a/net/sctp/ssnmap.c +++ b/net/sctp/ssnmap.c @@ -41,8 +41,6 @@ #include <net/sctp/sctp.h> #include <net/sctp/sm.h> -#define MAX_KMALLOC_SIZE 131072 - static struct sctp_ssnmap *sctp_ssnmap_init(struct sctp_ssnmap *map, __u16 in, __u16 out); @@ -65,7 +63,7 @@ struct sctp_ssnmap *sctp_ssnmap_new(__u16 in, __u16 out, int size; size = sctp_ssnmap_size(in, out); - if (size <= MAX_KMALLOC_SIZE) + if (size <= KMALLOC_MAX_SIZE) retval = kmalloc(size, gfp); else retval = (struct sctp_ssnmap *) @@ -82,7 +80,7 @@ struct sctp_ssnmap *sctp_ssnmap_new(__u16 in, __u16 out, return retval; fail_map: - if (size <= MAX_KMALLOC_SIZE) + if (size <= KMALLOC_MAX_SIZE) kfree(retval); else free_pages((unsigned long)retval, get_order(size)); @@ -124,7 +122,7 @@ void sctp_ssnmap_free(struct sctp_ssnmap *map) int size; size = sctp_ssnmap_size(map->in.len, map->out.len); - if (size <= MAX_KMALLOC_SIZE) + if (size <= KMALLOC_MAX_SIZE) kfree(map); else free_pages((unsigned long)map, get_order(size)); diff --git a/net/sctp/tsnmap.c b/net/sctp/tsnmap.c index 5f25e0c..396c451 100644 --- a/net/sctp/tsnmap.c +++ b/net/sctp/tsnmap.c @@ -51,7 +51,7 @@ static void sctp_tsnmap_update(struct sctp_tsnmap *map); static void sctp_tsnmap_find_gap_ack(unsigned long *map, __u16 off, __u16 len, __u16 *start, __u16 *end); -static int sctp_tsnmap_grow(struct sctp_tsnmap *map, u16 gap); +static int sctp_tsnmap_grow(struct sctp_tsnmap *map, u16 size); /* Initialize a block of memory as a tsnmap. */ struct sctp_tsnmap *sctp_tsnmap_init(struct sctp_tsnmap *map, __u16 len, @@ -124,7 +124,7 @@ int sctp_tsnmap_mark(struct sctp_tsnmap *map, __u32 tsn, gap = tsn - map->base_tsn; - if (gap >= map->len && !sctp_tsnmap_grow(map, gap)) + if (gap >= map->len && !sctp_tsnmap_grow(map, gap + 1)) return -ENOMEM; if (!sctp_tsnmap_has_gap(map) && gap == 0) { @@ -360,23 +360,24 @@ __u16 sctp_tsnmap_num_gabs(struct sctp_tsnmap *map, return ngaps; } -static int sctp_tsnmap_grow(struct sctp_tsnmap *map, u16 gap) +static int sctp_tsnmap_grow(struct sctp_tsnmap *map, u16 size) { unsigned long *new; unsigned long inc; u16 len; - if (gap >= SCTP_TSN_MAP_SIZE) + if (size > SCTP_TSN_MAP_SIZE) return 0; - inc = ALIGN((gap - map->len),BITS_PER_LONG) + SCTP_TSN_MAP_INCREMENT; + inc = ALIGN((size - map->len), BITS_PER_LONG) + SCTP_TSN_MAP_INCREMENT; len = min_t(u16, map->len + inc, SCTP_TSN_MAP_SIZE); new = kzalloc(len>>3, GFP_ATOMIC); if (!new) return 0; - bitmap_copy(new, map->tsn_map, map->max_tsn_seen - map->base_tsn); + bitmap_copy(new, map->tsn_map, + map->max_tsn_seen - map->cumulative_tsn_ack_point); kfree(map->tsn_map); map->tsn_map = new; map->len = len; diff --git a/net/sctp/ulpqueue.c b/net/sctp/ulpqueue.c index ada1746..0fd5b3d 100644 --- a/net/sctp/ulpqueue.c +++ b/net/sctp/ulpqueue.c @@ -106,6 +106,7 @@ int sctp_ulpq_tail_data(struct sctp_ulpq *ulpq, struct sctp_chunk *chunk, { struct sk_buff_head temp; struct sctp_ulpevent *event; + int event_eor = 0; /* Create an event from the incoming chunk. */ event = sctp_ulpevent_make_rcvmsg(chunk->asoc, chunk, gfp); @@ -127,10 +128,12 @@ int sctp_ulpq_tail_data(struct sctp_ulpq *ulpq, struct sctp_chunk *chunk, /* Send event to the ULP. 'event' is the sctp_ulpevent for * very first SKB on the 'temp' list. */ - if (event) + if (event) { + event_eor = (event->msg_flags & MSG_EOR) ? 1 : 0; sctp_ulpq_tail_event(ulpq, event); + } - return 0; + return event_eor; } /* Add a new event for propagation to the ULP. */ @@ -540,14 +543,19 @@ static struct sctp_ulpevent *sctp_ulpq_retrieve_partial(struct sctp_ulpq *ulpq) ctsn = cevent->tsn; switch (cevent->msg_flags & SCTP_DATA_FRAG_MASK) { + case SCTP_DATA_FIRST_FRAG: + if (!first_frag) + return NULL; + goto done; case SCTP_DATA_MIDDLE_FRAG: if (!first_frag) { first_frag = pos; next_tsn = ctsn + 1; last_frag = pos; - } else if (next_tsn == ctsn) + } else if (next_tsn == ctsn) { next_tsn++; - else + last_frag = pos; + } else goto done; break; case SCTP_DATA_LAST_FRAG: @@ -651,6 +659,14 @@ static struct sctp_ulpevent *sctp_ulpq_retrieve_first(struct sctp_ulpq *ulpq) } else goto done; break; + + case SCTP_DATA_LAST_FRAG: + if (!first_frag) + return NULL; + else + goto done; + break; + default: return NULL; } @@ -962,20 +978,43 @@ static __u16 sctp_ulpq_renege_list(struct sctp_ulpq *ulpq, struct sk_buff_head *list, __u16 needed) { __u16 freed = 0; - __u32 tsn; - struct sk_buff *skb; + __u32 tsn, last_tsn; + struct sk_buff *skb, *flist, *last; struct sctp_ulpevent *event; struct sctp_tsnmap *tsnmap; tsnmap = &ulpq->asoc->peer.tsn_map; - while ((skb = __skb_dequeue_tail(list)) != NULL) { - freed += skb_headlen(skb); + while ((skb = skb_peek_tail(list)) != NULL) { event = sctp_skb2event(skb); tsn = event->tsn; + /* Don't renege below the Cumulative TSN ACK Point. */ + if (TSN_lte(tsn, sctp_tsnmap_get_ctsn(tsnmap))) + break; + + /* Events in ordering queue may have multiple fragments + * corresponding to additional TSNs. Sum the total + * freed space; find the last TSN. + */ + freed += skb_headlen(skb); + flist = skb_shinfo(skb)->frag_list; + for (last = flist; flist; flist = flist->next) { + last = flist; + freed += skb_headlen(last); + } + if (last) + last_tsn = sctp_skb2event(last)->tsn; + else + last_tsn = tsn; + + /* Unlink the event, then renege all applicable TSNs. */ + __skb_unlink(skb, list); sctp_ulpevent_free(event); - sctp_tsnmap_renege(tsnmap, tsn); + while (TSN_lte(tsn, last_tsn)) { + sctp_tsnmap_renege(tsnmap, tsn); + tsn++; + } if (freed >= needed) return freed; } @@ -1002,16 +1041,28 @@ void sctp_ulpq_partial_delivery(struct sctp_ulpq *ulpq, struct sctp_ulpevent *event; struct sctp_association *asoc; struct sctp_sock *sp; + __u32 ctsn; + struct sk_buff *skb; asoc = ulpq->asoc; sp = sctp_sk(asoc->base.sk); /* If the association is already in Partial Delivery mode - * we have noting to do. + * we have nothing to do. */ if (ulpq->pd_mode) return; + /* Data must be at or below the Cumulative TSN ACK Point to + * start partial delivery. + */ + skb = skb_peek(&asoc->ulpq.reasm); + if (skb != NULL) { + ctsn = sctp_skb2event(skb)->tsn; + if (!TSN_lte(ctsn, sctp_tsnmap_get_ctsn(&asoc->peer.tsn_map))) + return; + } + /* If the user enabled fragment interleave socket option, * multiple associations can enter partial delivery. * Otherwise, we can only enter partial delivery if the @@ -1054,12 +1105,16 @@ void sctp_ulpq_renege(struct sctp_ulpq *ulpq, struct sctp_chunk *chunk, } /* If able to free enough room, accept this chunk. */ if (chunk && (freed >= needed)) { - __u32 tsn; - tsn = ntohl(chunk->subh.data_hdr->tsn); - sctp_tsnmap_mark(&asoc->peer.tsn_map, tsn, chunk->transport); - sctp_ulpq_tail_data(ulpq, chunk, gfp); - - sctp_ulpq_partial_delivery(ulpq, gfp); + int retval; + retval = sctp_ulpq_tail_data(ulpq, chunk, gfp); + /* + * Enter partial delivery if chunk has not been + * delivered; otherwise, drain the reassembly queue. + */ + if (retval <= 0) + sctp_ulpq_partial_delivery(ulpq, gfp); + else if (retval == 1) + sctp_ulpq_reasm_drain(ulpq); } sk_mem_reclaim(asoc->base.sk); diff --git a/net/socket.c b/net/socket.c index ee0d029..88f759a 100644 --- a/net/socket.c +++ b/net/socket.c @@ -369,16 +369,15 @@ struct file *sock_alloc_file(struct socket *sock, int flags, const char *dname) file = alloc_file(&path, FMODE_READ | FMODE_WRITE, &socket_file_ops); - if (unlikely(!file)) { + if (unlikely(IS_ERR(file))) { /* drop dentry, keep inode */ ihold(path.dentry->d_inode); path_put(&path); - return ERR_PTR(-ENFILE); + return file; } sock->file = file; file->f_flags = O_RDWR | (flags & O_NONBLOCK); - file->f_pos = 0; file->private_data = sock; return file; } diff --git a/net/sunrpc/addr.c b/net/sunrpc/addr.c index d11418f..a622ad6 100644 --- a/net/sunrpc/addr.c +++ b/net/sunrpc/addr.c @@ -17,7 +17,8 @@ */ #include <net/ipv6.h> -#include <linux/sunrpc/clnt.h> +#include <linux/sunrpc/addr.h> +#include <linux/sunrpc/msg_prot.h> #include <linux/slab.h> #include <linux/export.h> diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c index 392adc4..f529404 100644 --- a/net/sunrpc/auth.c +++ b/net/sunrpc/auth.c @@ -407,7 +407,6 @@ rpcauth_lookup_credcache(struct rpc_auth *auth, struct auth_cred * acred, { LIST_HEAD(free); struct rpc_cred_cache *cache = auth->au_credcache; - struct hlist_node *pos; struct rpc_cred *cred = NULL, *entry, *new; unsigned int nr; @@ -415,7 +414,7 @@ rpcauth_lookup_credcache(struct rpc_auth *auth, struct auth_cred * acred, nr = hash_long(from_kuid(&init_user_ns, acred->uid), cache->hashbits); rcu_read_lock(); - hlist_for_each_entry_rcu(entry, pos, &cache->hashtable[nr], cr_hash) { + hlist_for_each_entry_rcu(entry, &cache->hashtable[nr], cr_hash) { if (!entry->cr_ops->crmatch(acred, entry, flags)) continue; spin_lock(&cache->lock); @@ -439,7 +438,7 @@ rpcauth_lookup_credcache(struct rpc_auth *auth, struct auth_cred * acred, } spin_lock(&cache->lock); - hlist_for_each_entry(entry, pos, &cache->hashtable[nr], cr_hash) { + hlist_for_each_entry(entry, &cache->hashtable[nr], cr_hash) { if (!entry->cr_ops->crmatch(acred, entry, flags)) continue; cred = get_rpccred(entry); diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c index 6ea29f4..5257d29 100644 --- a/net/sunrpc/auth_gss/auth_gss.c +++ b/net/sunrpc/auth_gss/auth_gss.c @@ -620,7 +620,7 @@ gss_pipe_downcall(struct file *filp, const char __user *src, size_t mlen) const void *p, *end; void *buf; struct gss_upcall_msg *gss_msg; - struct rpc_pipe *pipe = RPC_I(filp->f_dentry->d_inode)->pipe; + struct rpc_pipe *pipe = RPC_I(file_inode(filp))->pipe; struct gss_cl_ctx *ctx; uid_t id; kuid_t uid; diff --git a/net/sunrpc/auth_gss/gss_krb5_wrap.c b/net/sunrpc/auth_gss/gss_krb5_wrap.c index 107c452..88edec9 100644 --- a/net/sunrpc/auth_gss/gss_krb5_wrap.c +++ b/net/sunrpc/auth_gss/gss_krb5_wrap.c @@ -574,6 +574,8 @@ gss_unwrap_kerberos_v2(struct krb5_ctx *kctx, int offset, struct xdr_buf *buf) buf->head[0].iov_len -= GSS_KRB5_TOK_HDR_LEN + headskip; buf->len -= GSS_KRB5_TOK_HDR_LEN + headskip; + /* Trim off the checksum blob */ + xdr_buf_trim(buf, GSS_KRB5_TOK_HDR_LEN + tailskip); return GSS_S_COMPLETE; } diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c index ecd1d58..f7d34e7 100644 --- a/net/sunrpc/auth_gss/svcauth_gss.c +++ b/net/sunrpc/auth_gss/svcauth_gss.c @@ -182,12 +182,6 @@ static void rsi_request(struct cache_detail *cd, (*bpp)[-1] = '\n'; } -static int rsi_upcall(struct cache_detail *cd, struct cache_head *h) -{ - return sunrpc_cache_pipe_upcall(cd, h, rsi_request); -} - - static int rsi_parse(struct cache_detail *cd, char *mesg, int mlen) { @@ -275,7 +269,7 @@ static struct cache_detail rsi_cache_template = { .hash_size = RSI_HASHMAX, .name = "auth.rpcsec.init", .cache_put = rsi_put, - .cache_upcall = rsi_upcall, + .cache_request = rsi_request, .cache_parse = rsi_parse, .match = rsi_match, .init = rsi_init, @@ -825,13 +819,17 @@ read_u32_from_xdr_buf(struct xdr_buf *buf, int base, u32 *obj) * The server uses base of head iovec as read pointer, while the * client uses separate pointer. */ static int -unwrap_integ_data(struct xdr_buf *buf, u32 seq, struct gss_ctx *ctx) +unwrap_integ_data(struct svc_rqst *rqstp, struct xdr_buf *buf, u32 seq, struct gss_ctx *ctx) { int stat = -EINVAL; u32 integ_len, maj_stat; struct xdr_netobj mic; struct xdr_buf integ_buf; + /* Did we already verify the signature on the original pass through? */ + if (rqstp->rq_deferred) + return 0; + integ_len = svc_getnl(&buf->head[0]); if (integ_len & 3) return stat; @@ -854,6 +852,8 @@ unwrap_integ_data(struct xdr_buf *buf, u32 seq, struct gss_ctx *ctx) goto out; if (svc_getnl(&buf->head[0]) != seq) goto out; + /* trim off the mic at the end before returning */ + xdr_buf_trim(buf, mic.len + 4); stat = 0; out: kfree(mic.data); @@ -1198,7 +1198,7 @@ svcauth_gss_accept(struct svc_rqst *rqstp, __be32 *authp) /* placeholders for length and seq. number: */ svc_putnl(resv, 0); svc_putnl(resv, 0); - if (unwrap_integ_data(&rqstp->rq_arg, + if (unwrap_integ_data(rqstp, &rqstp->rq_arg, gc->gc_seq, rsci->mechctx)) goto garbage_args; break; diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c index 9afa439..25d58e76 100644 --- a/net/sunrpc/cache.c +++ b/net/sunrpc/cache.c @@ -196,9 +196,9 @@ EXPORT_SYMBOL_GPL(sunrpc_cache_update); static int cache_make_upcall(struct cache_detail *cd, struct cache_head *h) { - if (!cd->cache_upcall) - return -EINVAL; - return cd->cache_upcall(cd, h); + if (cd->cache_upcall) + return cd->cache_upcall(cd, h); + return sunrpc_cache_pipe_upcall(cd, h); } static inline int cache_is_valid(struct cache_detail *detail, struct cache_head *h) @@ -670,13 +670,13 @@ static void cache_revisit_request(struct cache_head *item) { struct cache_deferred_req *dreq; struct list_head pending; - struct hlist_node *lp, *tmp; + struct hlist_node *tmp; int hash = DFR_HASH(item); INIT_LIST_HEAD(&pending); spin_lock(&cache_defer_lock); - hlist_for_each_entry_safe(dreq, lp, tmp, &cache_defer_hash[hash], hash) + hlist_for_each_entry_safe(dreq, tmp, &cache_defer_hash[hash], hash) if (dreq->item == item) { __unhash_deferred_req(dreq); list_add(&dreq->recent, &pending); @@ -750,12 +750,24 @@ struct cache_reader { int offset; /* if non-0, we have a refcnt on next request */ }; +static int cache_request(struct cache_detail *detail, + struct cache_request *crq) +{ + char *bp = crq->buf; + int len = PAGE_SIZE; + + detail->cache_request(detail, crq->item, &bp, &len); + if (len < 0) + return -EAGAIN; + return PAGE_SIZE - len; +} + static ssize_t cache_read(struct file *filp, char __user *buf, size_t count, loff_t *ppos, struct cache_detail *cd) { struct cache_reader *rp = filp->private_data; struct cache_request *rq; - struct inode *inode = filp->f_path.dentry->d_inode; + struct inode *inode = file_inode(filp); int err; if (count == 0) @@ -784,6 +796,13 @@ static ssize_t cache_read(struct file *filp, char __user *buf, size_t count, rq->readers++; spin_unlock(&queue_lock); + if (rq->len == 0) { + err = cache_request(cd, rq); + if (err < 0) + goto out; + rq->len = err; + } + if (rp->offset == 0 && !test_bit(CACHE_PENDING, &rq->item->flags)) { err = -EAGAIN; spin_lock(&queue_lock); @@ -886,7 +905,7 @@ static ssize_t cache_write(struct file *filp, const char __user *buf, struct cache_detail *cd) { struct address_space *mapping = filp->f_mapping; - struct inode *inode = filp->f_path.dentry->d_inode; + struct inode *inode = file_inode(filp); ssize_t ret = -EINVAL; if (!cd->cache_parse) @@ -1140,17 +1159,14 @@ static bool cache_listeners_exist(struct cache_detail *detail) * * Each request is at most one page long. */ -int sunrpc_cache_pipe_upcall(struct cache_detail *detail, struct cache_head *h, - void (*cache_request)(struct cache_detail *, - struct cache_head *, - char **, - int *)) +int sunrpc_cache_pipe_upcall(struct cache_detail *detail, struct cache_head *h) { char *buf; struct cache_request *crq; - char *bp; - int len; + + if (!detail->cache_request) + return -EINVAL; if (!cache_listeners_exist(detail)) { warn_no_listener(detail); @@ -1167,19 +1183,10 @@ int sunrpc_cache_pipe_upcall(struct cache_detail *detail, struct cache_head *h, return -EAGAIN; } - bp = buf; len = PAGE_SIZE; - - cache_request(detail, h, &bp, &len); - - if (len < 0) { - kfree(buf); - kfree(crq); - return -EAGAIN; - } crq->q.reader = 0; crq->item = cache_get(h); crq->buf = buf; - crq->len = PAGE_SIZE - len; + crq->len = 0; crq->readers = 0; spin_lock(&queue_lock); list_add_tail(&crq->q.list, &detail->queue); @@ -1454,7 +1461,7 @@ static ssize_t write_flush(struct file *file, const char __user *buf, static ssize_t cache_read_procfs(struct file *filp, char __user *buf, size_t count, loff_t *ppos) { - struct cache_detail *cd = PDE(filp->f_path.dentry->d_inode)->data; + struct cache_detail *cd = PDE(file_inode(filp))->data; return cache_read(filp, buf, count, ppos, cd); } @@ -1462,14 +1469,14 @@ static ssize_t cache_read_procfs(struct file *filp, char __user *buf, static ssize_t cache_write_procfs(struct file *filp, const char __user *buf, size_t count, loff_t *ppos) { - struct cache_detail *cd = PDE(filp->f_path.dentry->d_inode)->data; + struct cache_detail *cd = PDE(file_inode(filp))->data; return cache_write(filp, buf, count, ppos, cd); } static unsigned int cache_poll_procfs(struct file *filp, poll_table *wait) { - struct cache_detail *cd = PDE(filp->f_path.dentry->d_inode)->data; + struct cache_detail *cd = PDE(file_inode(filp))->data; return cache_poll(filp, wait, cd); } @@ -1477,7 +1484,7 @@ static unsigned int cache_poll_procfs(struct file *filp, poll_table *wait) static long cache_ioctl_procfs(struct file *filp, unsigned int cmd, unsigned long arg) { - struct inode *inode = filp->f_path.dentry->d_inode; + struct inode *inode = file_inode(filp); struct cache_detail *cd = PDE(inode)->data; return cache_ioctl(inode, filp, cmd, arg, cd); @@ -1546,7 +1553,7 @@ static int release_flush_procfs(struct inode *inode, struct file *filp) static ssize_t read_flush_procfs(struct file *filp, char __user *buf, size_t count, loff_t *ppos) { - struct cache_detail *cd = PDE(filp->f_path.dentry->d_inode)->data; + struct cache_detail *cd = PDE(file_inode(filp))->data; return read_flush(filp, buf, count, ppos, cd); } @@ -1555,7 +1562,7 @@ static ssize_t write_flush_procfs(struct file *filp, const char __user *buf, size_t count, loff_t *ppos) { - struct cache_detail *cd = PDE(filp->f_path.dentry->d_inode)->data; + struct cache_detail *cd = PDE(file_inode(filp))->data; return write_flush(filp, buf, count, ppos, cd); } @@ -1605,7 +1612,7 @@ static int create_cache_proc_entries(struct cache_detail *cd, struct net *net) if (p == NULL) goto out_nomem; - if (cd->cache_upcall || cd->cache_parse) { + if (cd->cache_request || cd->cache_parse) { p = proc_create_data("channel", S_IFREG|S_IRUSR|S_IWUSR, cd->u.procfs.proc_ent, &cache_file_operations_procfs, cd); @@ -1614,7 +1621,7 @@ static int create_cache_proc_entries(struct cache_detail *cd, struct net *net) goto out_nomem; } if (cd->cache_show) { - p = proc_create_data("content", S_IFREG|S_IRUSR|S_IWUSR, + p = proc_create_data("content", S_IFREG|S_IRUSR, cd->u.procfs.proc_ent, &content_file_operations_procfs, cd); cd->u.procfs.content_ent = p; @@ -1686,7 +1693,7 @@ EXPORT_SYMBOL_GPL(cache_destroy_net); static ssize_t cache_read_pipefs(struct file *filp, char __user *buf, size_t count, loff_t *ppos) { - struct cache_detail *cd = RPC_I(filp->f_path.dentry->d_inode)->private; + struct cache_detail *cd = RPC_I(file_inode(filp))->private; return cache_read(filp, buf, count, ppos, cd); } @@ -1694,14 +1701,14 @@ static ssize_t cache_read_pipefs(struct file *filp, char __user *buf, static ssize_t cache_write_pipefs(struct file *filp, const char __user *buf, size_t count, loff_t *ppos) { - struct cache_detail *cd = RPC_I(filp->f_path.dentry->d_inode)->private; + struct cache_detail *cd = RPC_I(file_inode(filp))->private; return cache_write(filp, buf, count, ppos, cd); } static unsigned int cache_poll_pipefs(struct file *filp, poll_table *wait) { - struct cache_detail *cd = RPC_I(filp->f_path.dentry->d_inode)->private; + struct cache_detail *cd = RPC_I(file_inode(filp))->private; return cache_poll(filp, wait, cd); } @@ -1709,7 +1716,7 @@ static unsigned int cache_poll_pipefs(struct file *filp, poll_table *wait) static long cache_ioctl_pipefs(struct file *filp, unsigned int cmd, unsigned long arg) { - struct inode *inode = filp->f_dentry->d_inode; + struct inode *inode = file_inode(filp); struct cache_detail *cd = RPC_I(inode)->private; return cache_ioctl(inode, filp, cmd, arg, cd); @@ -1778,7 +1785,7 @@ static int release_flush_pipefs(struct inode *inode, struct file *filp) static ssize_t read_flush_pipefs(struct file *filp, char __user *buf, size_t count, loff_t *ppos) { - struct cache_detail *cd = RPC_I(filp->f_path.dentry->d_inode)->private; + struct cache_detail *cd = RPC_I(file_inode(filp))->private; return read_flush(filp, buf, count, ppos, cd); } @@ -1787,7 +1794,7 @@ static ssize_t write_flush_pipefs(struct file *filp, const char __user *buf, size_t count, loff_t *ppos) { - struct cache_detail *cd = RPC_I(filp->f_path.dentry->d_inode)->private; + struct cache_detail *cd = RPC_I(file_inode(filp))->private; return write_flush(filp, buf, count, ppos, cd); } diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index a9f7906..dcc446e 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -33,6 +33,7 @@ #include <linux/rcupdate.h> #include <linux/sunrpc/clnt.h> +#include <linux/sunrpc/addr.h> #include <linux/sunrpc/rpc_pipe_fs.h> #include <linux/sunrpc/metrics.h> #include <linux/sunrpc/bc_xprt.h> @@ -1196,6 +1197,21 @@ size_t rpc_max_payload(struct rpc_clnt *clnt) EXPORT_SYMBOL_GPL(rpc_max_payload); /** + * rpc_get_timeout - Get timeout for transport in units of HZ + * @clnt: RPC client to query + */ +unsigned long rpc_get_timeout(struct rpc_clnt *clnt) +{ + unsigned long ret; + + rcu_read_lock(); + ret = rcu_dereference(clnt->cl_xprt)->timeout->to_initval; + rcu_read_unlock(); + return ret; +} +EXPORT_SYMBOL_GPL(rpc_get_timeout); + +/** * rpc_force_rebind - force transport to check that remote port is unchanged * @clnt: client to rebind * diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c index fd10981..7b9b402 100644 --- a/net/sunrpc/rpc_pipe.c +++ b/net/sunrpc/rpc_pipe.c @@ -284,7 +284,7 @@ out: static ssize_t rpc_pipe_read(struct file *filp, char __user *buf, size_t len, loff_t *offset) { - struct inode *inode = filp->f_path.dentry->d_inode; + struct inode *inode = file_inode(filp); struct rpc_pipe *pipe; struct rpc_pipe_msg *msg; int res = 0; @@ -328,7 +328,7 @@ out_unlock: static ssize_t rpc_pipe_write(struct file *filp, const char __user *buf, size_t len, loff_t *offset) { - struct inode *inode = filp->f_path.dentry->d_inode; + struct inode *inode = file_inode(filp); int res; mutex_lock(&inode->i_mutex); @@ -342,7 +342,7 @@ rpc_pipe_write(struct file *filp, const char __user *buf, size_t len, loff_t *of static unsigned int rpc_pipe_poll(struct file *filp, struct poll_table_struct *wait) { - struct inode *inode = filp->f_path.dentry->d_inode; + struct inode *inode = file_inode(filp); struct rpc_inode *rpci = RPC_I(inode); unsigned int mask = POLLOUT | POLLWRNORM; @@ -360,7 +360,7 @@ rpc_pipe_poll(struct file *filp, struct poll_table_struct *wait) static long rpc_pipe_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) { - struct inode *inode = filp->f_path.dentry->d_inode; + struct inode *inode = file_inode(filp); struct rpc_pipe *pipe; int len; @@ -830,7 +830,7 @@ static int rpc_rmdir_depopulate(struct dentry *dentry, * responses to upcalls. They will result in calls to @msg->downcall. * * The @private argument passed here will be available to all these methods - * from the file pointer, via RPC_I(file->f_dentry->d_inode)->private. + * from the file pointer, via RPC_I(file_inode(file))->private. */ struct dentry *rpc_mkpipe_dentry(struct dentry *parent, const char *name, void *private, struct rpc_pipe *pipe) diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c index 795a0f4..3df764d 100644 --- a/net/sunrpc/rpcb_clnt.c +++ b/net/sunrpc/rpcb_clnt.c @@ -26,6 +26,7 @@ #include <net/ipv6.h> #include <linux/sunrpc/clnt.h> +#include <linux/sunrpc/addr.h> #include <linux/sunrpc/sched.h> #include <linux/sunrpc/xprtsock.h> diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c index dbf12ac..89a588b 100644 --- a/net/sunrpc/svc.c +++ b/net/sunrpc/svc.c @@ -515,15 +515,6 @@ EXPORT_SYMBOL_GPL(svc_create_pooled); void svc_shutdown_net(struct svc_serv *serv, struct net *net) { - /* - * The set of xprts (contained in the sv_tempsocks and - * sv_permsocks lists) is now constant, since it is modified - * only by accepting new sockets (done by service threads in - * svc_recv) or aging old ones (done by sv_temptimer), or - * configuration changes (excluded by whatever locking the - * caller is using--nfsd_mutex in the case of nfsd). So it's - * safe to traverse those lists and shut everything down: - */ svc_close_net(serv, net); if (serv->sv_shutdown) @@ -1042,6 +1033,7 @@ static void svc_unregister(const struct svc_serv *serv, struct net *net) /* * dprintk the given error with the address of the client that caused it. */ +#ifdef RPC_DEBUG static __printf(2, 3) void svc_printk(struct svc_rqst *rqstp, const char *fmt, ...) { @@ -1058,6 +1050,9 @@ void svc_printk(struct svc_rqst *rqstp, const char *fmt, ...) va_end(args); } +#else +static __printf(2,3) void svc_printk(struct svc_rqst *rqstp, const char *fmt, ...) {} +#endif /* * Common routine for processing the RPC request. diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c index b8e47fa..80a6640 100644 --- a/net/sunrpc/svc_xprt.c +++ b/net/sunrpc/svc_xprt.c @@ -499,7 +499,8 @@ void svc_wake_up(struct svc_serv *serv) rqstp->rq_xprt = NULL; */ wake_up(&rqstp->rq_wait); - } + } else + pool->sp_task_pending = 1; spin_unlock_bh(&pool->sp_lock); } } @@ -634,7 +635,13 @@ struct svc_xprt *svc_get_next_xprt(struct svc_rqst *rqstp, long timeout) * long for cache updates. */ rqstp->rq_chandle.thread_wait = 1*HZ; + pool->sp_task_pending = 0; } else { + if (pool->sp_task_pending) { + pool->sp_task_pending = 0; + spin_unlock_bh(&pool->sp_lock); + return ERR_PTR(-EAGAIN); + } /* No data pending. Go to sleep */ svc_thread_enqueue(pool, rqstp); @@ -856,7 +863,6 @@ static void svc_age_temp_xprts(unsigned long closure) struct svc_serv *serv = (struct svc_serv *)closure; struct svc_xprt *xprt; struct list_head *le, *next; - LIST_HEAD(to_be_aged); dprintk("svc_age_temp_xprts\n"); @@ -877,25 +883,15 @@ static void svc_age_temp_xprts(unsigned long closure) if (atomic_read(&xprt->xpt_ref.refcount) > 1 || test_bit(XPT_BUSY, &xprt->xpt_flags)) continue; - svc_xprt_get(xprt); - list_move(le, &to_be_aged); + list_del_init(le); set_bit(XPT_CLOSE, &xprt->xpt_flags); set_bit(XPT_DETACHED, &xprt->xpt_flags); - } - spin_unlock_bh(&serv->sv_lock); - - while (!list_empty(&to_be_aged)) { - le = to_be_aged.next; - /* fiddling the xpt_list node is safe 'cos we're XPT_DETACHED */ - list_del_init(le); - xprt = list_entry(le, struct svc_xprt, xpt_list); - dprintk("queuing xprt %p for closing\n", xprt); /* a thread will dequeue and close it soon */ svc_xprt_enqueue(xprt); - svc_xprt_put(xprt); } + spin_unlock_bh(&serv->sv_lock); mod_timer(&serv->sv_temptimer, jiffies + svc_conn_age_period * HZ); } @@ -959,21 +955,24 @@ void svc_close_xprt(struct svc_xprt *xprt) } EXPORT_SYMBOL_GPL(svc_close_xprt); -static void svc_close_list(struct svc_serv *serv, struct list_head *xprt_list, struct net *net) +static int svc_close_list(struct svc_serv *serv, struct list_head *xprt_list, struct net *net) { struct svc_xprt *xprt; + int ret = 0; spin_lock(&serv->sv_lock); list_for_each_entry(xprt, xprt_list, xpt_list) { if (xprt->xpt_net != net) continue; + ret++; set_bit(XPT_CLOSE, &xprt->xpt_flags); - set_bit(XPT_BUSY, &xprt->xpt_flags); + svc_xprt_enqueue(xprt); } spin_unlock(&serv->sv_lock); + return ret; } -static void svc_clear_pools(struct svc_serv *serv, struct net *net) +static struct svc_xprt *svc_dequeue_net(struct svc_serv *serv, struct net *net) { struct svc_pool *pool; struct svc_xprt *xprt; @@ -988,42 +987,46 @@ static void svc_clear_pools(struct svc_serv *serv, struct net *net) if (xprt->xpt_net != net) continue; list_del_init(&xprt->xpt_ready); + spin_unlock_bh(&pool->sp_lock); + return xprt; } spin_unlock_bh(&pool->sp_lock); } + return NULL; } -static void svc_clear_list(struct svc_serv *serv, struct list_head *xprt_list, struct net *net) +static void svc_clean_up_xprts(struct svc_serv *serv, struct net *net) { struct svc_xprt *xprt; - struct svc_xprt *tmp; - LIST_HEAD(victims); - spin_lock(&serv->sv_lock); - list_for_each_entry_safe(xprt, tmp, xprt_list, xpt_list) { - if (xprt->xpt_net != net) - continue; - list_move(&xprt->xpt_list, &victims); - } - spin_unlock(&serv->sv_lock); - - list_for_each_entry_safe(xprt, tmp, &victims, xpt_list) + while ((xprt = svc_dequeue_net(serv, net))) { + set_bit(XPT_CLOSE, &xprt->xpt_flags); svc_delete_xprt(xprt); + } } +/* + * Server threads may still be running (especially in the case where the + * service is still running in other network namespaces). + * + * So we shut down sockets the same way we would on a running server, by + * setting XPT_CLOSE, enqueuing, and letting a thread pick it up to do + * the close. In the case there are no such other threads, + * threads running, svc_clean_up_xprts() does a simple version of a + * server's main event loop, and in the case where there are other + * threads, we may need to wait a little while and then check again to + * see if they're done. + */ void svc_close_net(struct svc_serv *serv, struct net *net) { - svc_close_list(serv, &serv->sv_tempsocks, net); - svc_close_list(serv, &serv->sv_permsocks, net); + int delay = 0; - svc_clear_pools(serv, net); - /* - * At this point the sp_sockets lists will stay empty, since - * svc_xprt_enqueue will not add new entries without taking the - * sp_lock and checking XPT_BUSY. - */ - svc_clear_list(serv, &serv->sv_tempsocks, net); - svc_clear_list(serv, &serv->sv_permsocks, net); + while (svc_close_list(serv, &serv->sv_permsocks, net) + + svc_close_list(serv, &serv->sv_tempsocks, net)) { + + svc_clean_up_xprts(serv, net); + msleep(delay++); + } } /* diff --git a/net/sunrpc/svcauth.c b/net/sunrpc/svcauth.c index 7963569..2af7b0c 100644 --- a/net/sunrpc/svcauth.c +++ b/net/sunrpc/svcauth.c @@ -138,13 +138,12 @@ auth_domain_lookup(char *name, struct auth_domain *new) { struct auth_domain *hp; struct hlist_head *head; - struct hlist_node *np; head = &auth_domain_table[hash_str(name, DN_HASHBITS)]; spin_lock(&auth_domain_lock); - hlist_for_each_entry(hp, np, head, hash) { + hlist_for_each_entry(hp, head, hash) { if (strcmp(hp->name, name)==0) { kref_get(&hp->ref); spin_unlock(&auth_domain_lock); diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c index a1852e1..c3f9e1e 100644 --- a/net/sunrpc/svcauth_unix.c +++ b/net/sunrpc/svcauth_unix.c @@ -6,6 +6,7 @@ #include <linux/sunrpc/svcsock.h> #include <linux/sunrpc/svcauth.h> #include <linux/sunrpc/gss_api.h> +#include <linux/sunrpc/addr.h> #include <linux/err.h> #include <linux/seq_file.h> #include <linux/hash.h> @@ -17,7 +18,6 @@ #include <linux/user_namespace.h> #define RPCDBG_FACILITY RPCDBG_AUTH -#include <linux/sunrpc/clnt.h> #include "netns.h" @@ -157,11 +157,6 @@ static void ip_map_request(struct cache_detail *cd, (*bpp)[-1] = '\n'; } -static int ip_map_upcall(struct cache_detail *cd, struct cache_head *h) -{ - return sunrpc_cache_pipe_upcall(cd, h, ip_map_request); -} - static struct ip_map *__ip_map_lookup(struct cache_detail *cd, char *class, struct in6_addr *addr); static int __ip_map_update(struct cache_detail *cd, struct ip_map *ipm, struct unix_domain *udom, time_t expiry); @@ -475,11 +470,6 @@ static void unix_gid_request(struct cache_detail *cd, (*bpp)[-1] = '\n'; } -static int unix_gid_upcall(struct cache_detail *cd, struct cache_head *h) -{ - return sunrpc_cache_pipe_upcall(cd, h, unix_gid_request); -} - static struct unix_gid *unix_gid_lookup(struct cache_detail *cd, kuid_t uid); static int unix_gid_parse(struct cache_detail *cd, @@ -586,7 +576,7 @@ static struct cache_detail unix_gid_cache_template = { .hash_size = GID_HASHMAX, .name = "auth.unix.gid", .cache_put = unix_gid_put, - .cache_upcall = unix_gid_upcall, + .cache_request = unix_gid_request, .cache_parse = unix_gid_parse, .cache_show = unix_gid_show, .match = unix_gid_match, @@ -885,7 +875,7 @@ static struct cache_detail ip_map_cache_template = { .hash_size = IP_HASHMAX, .name = "auth.unix.ip", .cache_put = ip_map_put, - .cache_upcall = ip_map_upcall, + .cache_request = ip_map_request, .cache_parse = ip_map_parse, .cache_show = ip_map_show, .match = ip_map_match, diff --git a/net/sunrpc/xdr.c b/net/sunrpc/xdr.c index 5605563..75edcfa 100644 --- a/net/sunrpc/xdr.c +++ b/net/sunrpc/xdr.c @@ -879,6 +879,47 @@ xdr_buf_subsegment(struct xdr_buf *buf, struct xdr_buf *subbuf, } EXPORT_SYMBOL_GPL(xdr_buf_subsegment); +/** + * xdr_buf_trim - lop at most "len" bytes off the end of "buf" + * @buf: buf to be trimmed + * @len: number of bytes to reduce "buf" by + * + * Trim an xdr_buf by the given number of bytes by fixing up the lengths. Note + * that it's possible that we'll trim less than that amount if the xdr_buf is + * too small, or if (for instance) it's all in the head and the parser has + * already read too far into it. + */ +void xdr_buf_trim(struct xdr_buf *buf, unsigned int len) +{ + size_t cur; + unsigned int trim = len; + + if (buf->tail[0].iov_len) { + cur = min_t(size_t, buf->tail[0].iov_len, trim); + buf->tail[0].iov_len -= cur; + trim -= cur; + if (!trim) + goto fix_len; + } + + if (buf->page_len) { + cur = min_t(unsigned int, buf->page_len, trim); + buf->page_len -= cur; + trim -= cur; + if (!trim) + goto fix_len; + } + + if (buf->head[0].iov_len) { + cur = min_t(size_t, buf->head[0].iov_len, trim); + buf->head[0].iov_len -= cur; + trim -= cur; + } +fix_len: + buf->len -= (len - trim); +} +EXPORT_SYMBOL_GPL(xdr_buf_trim); + static void __read_bytes_from_xdr_buf(struct xdr_buf *subbuf, void *obj, unsigned int len) { unsigned int this_len; diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c index 846c34f..b7478d5 100644 --- a/net/sunrpc/xprt.c +++ b/net/sunrpc/xprt.c @@ -487,13 +487,17 @@ EXPORT_SYMBOL_GPL(xprt_wake_pending_tasks); * xprt_wait_for_buffer_space - wait for transport output buffer to clear * @task: task to be put to sleep * @action: function pointer to be executed after wait + * + * Note that we only set the timer for the case of RPC_IS_SOFT(), since + * we don't in general want to force a socket disconnection due to + * an incomplete RPC call transmission. */ void xprt_wait_for_buffer_space(struct rpc_task *task, rpc_action action) { struct rpc_rqst *req = task->tk_rqstp; struct rpc_xprt *xprt = req->rq_xprt; - task->tk_timeout = req->rq_timeout; + task->tk_timeout = RPC_IS_SOFT(task) ? req->rq_timeout : 0; rpc_sleep_on(&xprt->pending, task, action); } EXPORT_SYMBOL_GPL(xprt_wait_for_buffer_space); diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c index d007428..794312f 100644 --- a/net/sunrpc/xprtrdma/transport.c +++ b/net/sunrpc/xprtrdma/transport.c @@ -51,6 +51,7 @@ #include <linux/init.h> #include <linux/slab.h> #include <linux/seq_file.h> +#include <linux/sunrpc/addr.h> #include "xprt_rdma.h" diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index 37cbda6..c1d8476 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -33,6 +33,7 @@ #include <linux/udp.h> #include <linux/tcp.h> #include <linux/sunrpc/clnt.h> +#include <linux/sunrpc/addr.h> #include <linux/sunrpc/sched.h> #include <linux/sunrpc/svcsock.h> #include <linux/sunrpc/xprtsock.h> @@ -1867,13 +1868,9 @@ static int xs_local_finish_connecting(struct rpc_xprt *xprt, * @xprt: RPC transport to connect * @transport: socket transport to connect * @create_sock: function to create a socket of the correct type - * - * Invoked by a work queue tasklet. */ -static void xs_local_setup_socket(struct work_struct *work) +static int xs_local_setup_socket(struct sock_xprt *transport) { - struct sock_xprt *transport = - container_of(work, struct sock_xprt, connect_worker.work); struct rpc_xprt *xprt = &transport->xprt; struct socket *sock; int status = -EIO; @@ -1918,6 +1915,30 @@ out: xprt_clear_connecting(xprt); xprt_wake_pending_tasks(xprt, status); current->flags &= ~PF_FSTRANS; + return status; +} + +static void xs_local_connect(struct rpc_xprt *xprt, struct rpc_task *task) +{ + struct sock_xprt *transport = container_of(xprt, struct sock_xprt, xprt); + int ret; + + if (RPC_IS_ASYNC(task)) { + /* + * We want the AF_LOCAL connect to be resolved in the + * filesystem namespace of the process making the rpc + * call. Thus we connect synchronously. + * + * If we want to support asynchronous AF_LOCAL calls, + * we'll need to figure out how to pass a namespace to + * connect. + */ + rpc_exit(task, -ENOTCONN); + return; + } + ret = xs_local_setup_socket(transport); + if (ret && !RPC_IS_SOFTCONN(task)) + msleep_interruptible(15000); } #ifdef CONFIG_SUNRPC_SWAP @@ -2455,7 +2476,7 @@ static struct rpc_xprt_ops xs_local_ops = { .alloc_slot = xprt_alloc_slot, .rpcbind = xs_local_rpcbind, .set_port = xs_local_set_port, - .connect = xs_connect, + .connect = xs_local_connect, .buf_alloc = rpc_malloc, .buf_free = rpc_free, .send_request = xs_local_send_request, @@ -2628,8 +2649,6 @@ static struct rpc_xprt *xs_setup_local(struct xprt_create *args) goto out_err; } xprt_set_bound(xprt); - INIT_DELAYED_WORK(&transport->connect_worker, - xs_local_setup_socket); xs_format_peer_addresses(xprt, "local", RPCBIND_NETID_LOCAL); break; default: diff --git a/net/tipc/name_table.c b/net/tipc/name_table.c index 4675477..24b1679 100644 --- a/net/tipc/name_table.c +++ b/net/tipc/name_table.c @@ -473,11 +473,10 @@ static void tipc_nameseq_subscribe(struct name_seq *nseq, static struct name_seq *nametbl_find_seq(u32 type) { struct hlist_head *seq_head; - struct hlist_node *seq_node; struct name_seq *ns; seq_head = &table.types[hash(type)]; - hlist_for_each_entry(ns, seq_node, seq_head, ns_list) { + hlist_for_each_entry(ns, seq_head, ns_list) { if (ns->type == type) return ns; } @@ -853,7 +852,6 @@ static int nametbl_list(char *buf, int len, u32 depth_info, u32 type, u32 lowbound, u32 upbound) { struct hlist_head *seq_head; - struct hlist_node *seq_node; struct name_seq *seq; int all_types; int ret = 0; @@ -873,7 +871,7 @@ static int nametbl_list(char *buf, int len, u32 depth_info, upbound = ~0; for (i = 0; i < TIPC_NAMETBL_SIZE; i++) { seq_head = &table.types[i]; - hlist_for_each_entry(seq, seq_node, seq_head, ns_list) { + hlist_for_each_entry(seq, seq_head, ns_list) { ret += nameseq_list(seq, buf + ret, len - ret, depth, seq->type, lowbound, upbound, i); @@ -889,7 +887,7 @@ static int nametbl_list(char *buf, int len, u32 depth_info, ret += nametbl_header(buf + ret, len - ret, depth); i = hash(type); seq_head = &table.types[i]; - hlist_for_each_entry(seq, seq_node, seq_head, ns_list) { + hlist_for_each_entry(seq, seq_head, ns_list) { if (seq->type == type) { ret += nameseq_list(seq, buf + ret, len - ret, depth, type, diff --git a/net/tipc/node.c b/net/tipc/node.c index 48f39dd..6e6c434 100644 --- a/net/tipc/node.c +++ b/net/tipc/node.c @@ -69,12 +69,11 @@ static unsigned int tipc_hashfn(u32 addr) struct tipc_node *tipc_node_find(u32 addr) { struct tipc_node *node; - struct hlist_node *pos; if (unlikely(!in_own_cluster_exact(addr))) return NULL; - hlist_for_each_entry(node, pos, &node_htable[tipc_hashfn(addr)], hash) { + hlist_for_each_entry(node, &node_htable[tipc_hashfn(addr)], hash) { if (node->addr == addr) return node; } diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index 87d2842..51be64f 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -263,9 +263,8 @@ static struct sock *__unix_find_socket_byname(struct net *net, int len, int type, unsigned int hash) { struct sock *s; - struct hlist_node *node; - sk_for_each(s, node, &unix_socket_table[hash ^ type]) { + sk_for_each(s, &unix_socket_table[hash ^ type]) { struct unix_sock *u = unix_sk(s); if (!net_eq(sock_net(s), net)) @@ -298,10 +297,9 @@ static inline struct sock *unix_find_socket_byname(struct net *net, static struct sock *unix_find_socket_byinode(struct inode *i) { struct sock *s; - struct hlist_node *node; spin_lock(&unix_table_lock); - sk_for_each(s, node, + sk_for_each(s, &unix_socket_table[i->i_ino & (UNIX_HASH_SIZE - 1)]) { struct dentry *dentry = unix_sk(s)->path.dentry; diff --git a/net/unix/diag.c b/net/unix/diag.c index 5ac19dc..d591091 100644 --- a/net/unix/diag.c +++ b/net/unix/diag.c @@ -192,10 +192,9 @@ static int unix_diag_dump(struct sk_buff *skb, struct netlink_callback *cb) slot < ARRAY_SIZE(unix_socket_table); s_num = 0, slot++) { struct sock *sk; - struct hlist_node *node; num = 0; - sk_for_each(sk, node, &unix_socket_table[slot]) { + sk_for_each(sk, &unix_socket_table[slot]) { if (!net_eq(sock_net(sk), net)) continue; if (num < s_num) @@ -226,9 +225,7 @@ static struct sock *unix_lookup_by_ino(int ino) spin_lock(&unix_table_lock); for (i = 0; i < ARRAY_SIZE(unix_socket_table); i++) { - struct hlist_node *node; - - sk_for_each(sk, node, &unix_socket_table[i]) + sk_for_each(sk, &unix_socket_table[i]) if (ino == sock_i_ino(sk)) { sock_hold(sk); spin_unlock(&unix_table_lock); diff --git a/net/unix/garbage.c b/net/unix/garbage.c index b6f4b99..d0f6545 100644 --- a/net/unix/garbage.c +++ b/net/unix/garbage.c @@ -99,7 +99,7 @@ unsigned int unix_tot_inflight; struct sock *unix_get_socket(struct file *filp) { struct sock *u_sock = NULL; - struct inode *inode = filp->f_path.dentry->d_inode; + struct inode *inode = file_inode(filp); /* * Socket ? diff --git a/net/wireless/core.c b/net/wireless/core.c index 5ffff03..ea4155f 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -367,8 +367,7 @@ struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv) rdev->wiphy.rts_threshold = (u32) -1; rdev->wiphy.coverage_class = 0; - rdev->wiphy.features = NL80211_FEATURE_SCAN_FLUSH | - NL80211_FEATURE_ADVERTISE_CHAN_LIMITS; + rdev->wiphy.features = NL80211_FEATURE_SCAN_FLUSH; return &rdev->wiphy; } diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 35545cc..d44ab21 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -554,27 +554,8 @@ static int nl80211_msg_put_channel(struct sk_buff *msg, if ((chan->flags & IEEE80211_CHAN_NO_IBSS) && nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IBSS)) goto nla_put_failure; - if (chan->flags & IEEE80211_CHAN_RADAR) { - u32 time = elapsed_jiffies_msecs(chan->dfs_state_entered); - if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR)) - goto nla_put_failure; - if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE, - chan->dfs_state)) - goto nla_put_failure; - if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME, time)) - goto nla_put_failure; - } - if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) && - nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS)) - goto nla_put_failure; - if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) && - nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS)) - goto nla_put_failure; - if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) && - nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ)) - goto nla_put_failure; - if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) && - nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ)) + if ((chan->flags & IEEE80211_CHAN_RADAR) && + nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR)) goto nla_put_failure; if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER, @@ -900,9 +881,6 @@ static int nl80211_put_iface_combinations(struct wiphy *wiphy, nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM, c->max_interfaces)) goto nla_put_failure; - if (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS, - c->radar_detect_widths)) - goto nla_put_failure; nla_nest_end(msg, nl_combi); } @@ -914,48 +892,6 @@ nla_put_failure: return -ENOBUFS; } -#ifdef CONFIG_PM -static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev, - struct sk_buff *msg) -{ - const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan.tcp; - struct nlattr *nl_tcp; - - if (!tcp) - return 0; - - nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION); - if (!nl_tcp) - return -ENOBUFS; - - if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, - tcp->data_payload_max)) - return -ENOBUFS; - - if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, - tcp->data_payload_max)) - return -ENOBUFS; - - if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ)) - return -ENOBUFS; - - if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, - sizeof(*tcp->tok), tcp->tok)) - return -ENOBUFS; - - if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL, - tcp->data_interval_max)) - return -ENOBUFS; - - if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD, - tcp->wake_payload_max)) - return -ENOBUFS; - - nla_nest_end(msg, nl_tcp); - return 0; -} -#endif - static int nl80211_send_wiphy(struct sk_buff *msg, u32 portid, u32 seq, int flags, struct cfg80211_registered_device *dev) { @@ -1330,9 +1266,6 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 portid, u32 seq, int flag goto nla_put_failure; } - if (nl80211_send_wowlan_tcp_caps(dev, msg)) - goto nla_put_failure; - nla_nest_end(msg, nl_wowlan); } #endif @@ -1365,15 +1298,6 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 portid, u32 seq, int flag dev->wiphy.max_acl_mac_addrs)) goto nla_put_failure; - if (dev->wiphy.extended_capabilities && - (nla_put(msg, NL80211_ATTR_EXT_CAPA, - dev->wiphy.extended_capabilities_len, - dev->wiphy.extended_capabilities) || - nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK, - dev->wiphy.extended_capabilities_len, - dev->wiphy.extended_capabilities_mask))) - goto nla_put_failure; - return genlmsg_end(msg, hdr); nla_put_failure: @@ -1383,7 +1307,7 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 portid, u32 seq, int flag static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb) { - int idx = 0; + int idx = 0, ret; int start = cb->args[0]; struct cfg80211_registered_device *dev; @@ -1393,9 +1317,29 @@ static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb) continue; if (++idx <= start) continue; - if (nl80211_send_wiphy(skb, NETLINK_CB(cb->skb).portid, - cb->nlh->nlmsg_seq, NLM_F_MULTI, - dev) < 0) { + ret = nl80211_send_wiphy(skb, NETLINK_CB(cb->skb).portid, + cb->nlh->nlmsg_seq, NLM_F_MULTI, + dev); + if (ret < 0) { + /* + * If sending the wiphy data didn't fit (ENOBUFS or + * EMSGSIZE returned), this SKB is still empty (so + * it's not too big because another wiphy dataset is + * already in the skb) and we've not tried to adjust + * the dump allocation yet ... then adjust the alloc + * size to be bigger, and return 1 but with the empty + * skb. This results in an empty message being RX'ed + * in userspace, but that is ignored. + * + * We can then retry with the larger buffer. + */ + if ((ret == -ENOBUFS || ret == -EMSGSIZE) && + !skb->len && + cb->min_dump_alloc < 4096) { + cb->min_dump_alloc = 4096; + mutex_unlock(&cfg80211_mutex); + return 1; + } idx--; break; } @@ -1412,7 +1356,7 @@ static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info) struct sk_buff *msg; struct cfg80211_registered_device *dev = info->user_ptr[0]; - msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); + msg = nlmsg_new(4096, GFP_KERNEL); if (!msg) return -ENOMEM; diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c index a306bc6..37ca969 100644 --- a/net/x25/af_x25.c +++ b/net/x25/af_x25.c @@ -208,11 +208,10 @@ static void x25_remove_socket(struct sock *sk) static void x25_kill_by_device(struct net_device *dev) { struct sock *s; - struct hlist_node *node; write_lock_bh(&x25_list_lock); - sk_for_each(s, node, &x25_list) + sk_for_each(s, &x25_list) if (x25_sk(s)->neighbour && x25_sk(s)->neighbour->dev == dev) x25_disconnect(s, ENETUNREACH, 0, 0); @@ -280,12 +279,11 @@ static struct sock *x25_find_listener(struct x25_address *addr, { struct sock *s; struct sock *next_best; - struct hlist_node *node; read_lock_bh(&x25_list_lock); next_best = NULL; - sk_for_each(s, node, &x25_list) + sk_for_each(s, &x25_list) if ((!strcmp(addr->x25_addr, x25_sk(s)->source_addr.x25_addr) || !strcmp(addr->x25_addr, @@ -323,9 +321,8 @@ found: static struct sock *__x25_find_socket(unsigned int lci, struct x25_neigh *nb) { struct sock *s; - struct hlist_node *node; - sk_for_each(s, node, &x25_list) + sk_for_each(s, &x25_list) if (x25_sk(s)->lci == lci && x25_sk(s)->neighbour == nb) { sock_hold(s); goto found; @@ -1782,11 +1779,10 @@ static struct notifier_block x25_dev_notifier = { void x25_kill_by_neigh(struct x25_neigh *nb) { struct sock *s; - struct hlist_node *node; write_lock_bh(&x25_list_lock); - sk_for_each(s, node, &x25_list) + sk_for_each(s, &x25_list) if (x25_sk(s)->neighbour == nb) x25_disconnect(s, ENETUNREACH, 0, 0); diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index 5b47180..167c67d 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -379,27 +379,27 @@ static void xfrm_dst_hash_transfer(struct hlist_head *list, struct hlist_head *ndsttable, unsigned int nhashmask) { - struct hlist_node *entry, *tmp, *entry0 = NULL; + struct hlist_node *tmp, *entry0 = NULL; struct xfrm_policy *pol; unsigned int h0 = 0; redo: - hlist_for_each_entry_safe(pol, entry, tmp, list, bydst) { + hlist_for_each_entry_safe(pol, tmp, list, bydst) { unsigned int h; h = __addr_hash(&pol->selector.daddr, &pol->selector.saddr, pol->family, nhashmask); if (!entry0) { - hlist_del(entry); + hlist_del(&pol->bydst); hlist_add_head(&pol->bydst, ndsttable+h); h0 = h; } else { if (h != h0) continue; - hlist_del(entry); + hlist_del(&pol->bydst); hlist_add_after(entry0, &pol->bydst); } - entry0 = entry; + entry0 = &pol->bydst; } if (!hlist_empty(list)) { entry0 = NULL; @@ -411,10 +411,10 @@ static void xfrm_idx_hash_transfer(struct hlist_head *list, struct hlist_head *nidxtable, unsigned int nhashmask) { - struct hlist_node *entry, *tmp; + struct hlist_node *tmp; struct xfrm_policy *pol; - hlist_for_each_entry_safe(pol, entry, tmp, list, byidx) { + hlist_for_each_entry_safe(pol, tmp, list, byidx) { unsigned int h; h = __idx_hash(pol->index, nhashmask); @@ -544,7 +544,6 @@ static u32 xfrm_gen_index(struct net *net, int dir) static u32 idx_generator; for (;;) { - struct hlist_node *entry; struct hlist_head *list; struct xfrm_policy *p; u32 idx; @@ -556,7 +555,7 @@ static u32 xfrm_gen_index(struct net *net, int dir) idx = 8; list = net->xfrm.policy_byidx + idx_hash(net, idx); found = 0; - hlist_for_each_entry(p, entry, list, byidx) { + hlist_for_each_entry(p, list, byidx) { if (p->index == idx) { found = 1; break; @@ -628,13 +627,13 @@ int xfrm_policy_insert(int dir, struct xfrm_policy *policy, int excl) struct xfrm_policy *pol; struct xfrm_policy *delpol; struct hlist_head *chain; - struct hlist_node *entry, *newpos; + struct hlist_node *newpos; write_lock_bh(&xfrm_policy_lock); chain = policy_hash_bysel(net, &policy->selector, policy->family, dir); delpol = NULL; newpos = NULL; - hlist_for_each_entry(pol, entry, chain, bydst) { + hlist_for_each_entry(pol, chain, bydst) { if (pol->type == policy->type && !selector_cmp(&pol->selector, &policy->selector) && xfrm_policy_mark_match(policy, pol) && @@ -691,13 +690,12 @@ struct xfrm_policy *xfrm_policy_bysel_ctx(struct net *net, u32 mark, u8 type, { struct xfrm_policy *pol, *ret; struct hlist_head *chain; - struct hlist_node *entry; *err = 0; write_lock_bh(&xfrm_policy_lock); chain = policy_hash_bysel(net, sel, sel->family, dir); ret = NULL; - hlist_for_each_entry(pol, entry, chain, bydst) { + hlist_for_each_entry(pol, chain, bydst) { if (pol->type == type && (mark & pol->mark.m) == pol->mark.v && !selector_cmp(sel, &pol->selector) && @@ -729,7 +727,6 @@ struct xfrm_policy *xfrm_policy_byid(struct net *net, u32 mark, u8 type, { struct xfrm_policy *pol, *ret; struct hlist_head *chain; - struct hlist_node *entry; *err = -ENOENT; if (xfrm_policy_id2dir(id) != dir) @@ -739,7 +736,7 @@ struct xfrm_policy *xfrm_policy_byid(struct net *net, u32 mark, u8 type, write_lock_bh(&xfrm_policy_lock); chain = net->xfrm.policy_byidx + idx_hash(net, id); ret = NULL; - hlist_for_each_entry(pol, entry, chain, byidx) { + hlist_for_each_entry(pol, chain, byidx) { if (pol->type == type && pol->index == id && (mark & pol->mark.m) == pol->mark.v) { xfrm_pol_hold(pol); @@ -772,10 +769,9 @@ xfrm_policy_flush_secctx_check(struct net *net, u8 type, struct xfrm_audit *audi for (dir = 0; dir < XFRM_POLICY_MAX; dir++) { struct xfrm_policy *pol; - struct hlist_node *entry; int i; - hlist_for_each_entry(pol, entry, + hlist_for_each_entry(pol, &net->xfrm.policy_inexact[dir], bydst) { if (pol->type != type) continue; @@ -789,7 +785,7 @@ xfrm_policy_flush_secctx_check(struct net *net, u8 type, struct xfrm_audit *audi } } for (i = net->xfrm.policy_bydst[dir].hmask; i >= 0; i--) { - hlist_for_each_entry(pol, entry, + hlist_for_each_entry(pol, net->xfrm.policy_bydst[dir].table + i, bydst) { if (pol->type != type) @@ -828,11 +824,10 @@ int xfrm_policy_flush(struct net *net, u8 type, struct xfrm_audit *audit_info) for (dir = 0; dir < XFRM_POLICY_MAX; dir++) { struct xfrm_policy *pol; - struct hlist_node *entry; int i; again1: - hlist_for_each_entry(pol, entry, + hlist_for_each_entry(pol, &net->xfrm.policy_inexact[dir], bydst) { if (pol->type != type) continue; @@ -852,7 +847,7 @@ int xfrm_policy_flush(struct net *net, u8 type, struct xfrm_audit *audit_info) for (i = net->xfrm.policy_bydst[dir].hmask; i >= 0; i--) { again2: - hlist_for_each_entry(pol, entry, + hlist_for_each_entry(pol, net->xfrm.policy_bydst[dir].table + i, bydst) { if (pol->type != type) @@ -980,7 +975,6 @@ static struct xfrm_policy *xfrm_policy_lookup_bytype(struct net *net, u8 type, int err; struct xfrm_policy *pol, *ret; const xfrm_address_t *daddr, *saddr; - struct hlist_node *entry; struct hlist_head *chain; u32 priority = ~0U; @@ -992,7 +986,7 @@ static struct xfrm_policy *xfrm_policy_lookup_bytype(struct net *net, u8 type, read_lock_bh(&xfrm_policy_lock); chain = policy_hash_direct(net, daddr, saddr, family, dir); ret = NULL; - hlist_for_each_entry(pol, entry, chain, bydst) { + hlist_for_each_entry(pol, chain, bydst) { err = xfrm_policy_match(pol, fl, type, family, dir); if (err) { if (err == -ESRCH) @@ -1008,7 +1002,7 @@ static struct xfrm_policy *xfrm_policy_lookup_bytype(struct net *net, u8 type, } } chain = &net->xfrm.policy_inexact[dir]; - hlist_for_each_entry(pol, entry, chain, bydst) { + hlist_for_each_entry(pol, chain, bydst) { err = xfrm_policy_match(pol, fl, type, family, dir); if (err) { if (err == -ESRCH) @@ -3041,13 +3035,12 @@ static struct xfrm_policy * xfrm_migrate_policy_find(const struct xfrm_selector u8 dir, u8 type) { struct xfrm_policy *pol, *ret = NULL; - struct hlist_node *entry; struct hlist_head *chain; u32 priority = ~0U; read_lock_bh(&xfrm_policy_lock); chain = policy_hash_direct(&init_net, &sel->daddr, &sel->saddr, sel->family, dir); - hlist_for_each_entry(pol, entry, chain, bydst) { + hlist_for_each_entry(pol, chain, bydst) { if (xfrm_migrate_selector_match(sel, &pol->selector) && pol->type == type) { ret = pol; @@ -3056,7 +3049,7 @@ static struct xfrm_policy * xfrm_migrate_policy_find(const struct xfrm_selector } } chain = &init_net.xfrm.policy_inexact[dir]; - hlist_for_each_entry(pol, entry, chain, bydst) { + hlist_for_each_entry(pol, chain, bydst) { if (xfrm_migrate_selector_match(sel, &pol->selector) && pol->type == type && pol->priority < priority) { diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c index ae01bdb..2c341bd 100644 --- a/net/xfrm/xfrm_state.c +++ b/net/xfrm/xfrm_state.c @@ -72,10 +72,10 @@ static void xfrm_hash_transfer(struct hlist_head *list, struct hlist_head *nspitable, unsigned int nhashmask) { - struct hlist_node *entry, *tmp; + struct hlist_node *tmp; struct xfrm_state *x; - hlist_for_each_entry_safe(x, entry, tmp, list, bydst) { + hlist_for_each_entry_safe(x, tmp, list, bydst) { unsigned int h; h = __xfrm_dst_hash(&x->id.daddr, &x->props.saddr, @@ -368,14 +368,14 @@ static void xfrm_state_gc_task(struct work_struct *work) { struct net *net = container_of(work, struct net, xfrm.state_gc_work); struct xfrm_state *x; - struct hlist_node *entry, *tmp; + struct hlist_node *tmp; struct hlist_head gc_list; spin_lock_bh(&xfrm_state_gc_lock); hlist_move_list(&net->xfrm.state_gc_list, &gc_list); spin_unlock_bh(&xfrm_state_gc_lock); - hlist_for_each_entry_safe(x, entry, tmp, &gc_list, gclist) + hlist_for_each_entry_safe(x, tmp, &gc_list, gclist) xfrm_state_gc_destroy(x); wake_up(&net->xfrm.km_waitq); @@ -577,10 +577,9 @@ xfrm_state_flush_secctx_check(struct net *net, u8 proto, struct xfrm_audit *audi int i, err = 0; for (i = 0; i <= net->xfrm.state_hmask; i++) { - struct hlist_node *entry; struct xfrm_state *x; - hlist_for_each_entry(x, entry, net->xfrm.state_bydst+i, bydst) { + hlist_for_each_entry(x, net->xfrm.state_bydst+i, bydst) { if (xfrm_id_proto_match(x->id.proto, proto) && (err = security_xfrm_state_delete(x)) != 0) { xfrm_audit_state_delete(x, 0, @@ -613,10 +612,9 @@ int xfrm_state_flush(struct net *net, u8 proto, struct xfrm_audit *audit_info) err = -ESRCH; for (i = 0; i <= net->xfrm.state_hmask; i++) { - struct hlist_node *entry; struct xfrm_state *x; restart: - hlist_for_each_entry(x, entry, net->xfrm.state_bydst+i, bydst) { + hlist_for_each_entry(x, net->xfrm.state_bydst+i, bydst) { if (!xfrm_state_kern(x) && xfrm_id_proto_match(x->id.proto, proto)) { xfrm_state_hold(x); @@ -685,9 +683,8 @@ static struct xfrm_state *__xfrm_state_lookup(struct net *net, u32 mark, { unsigned int h = xfrm_spi_hash(net, daddr, spi, proto, family); struct xfrm_state *x; - struct hlist_node *entry; - hlist_for_each_entry(x, entry, net->xfrm.state_byspi+h, byspi) { + hlist_for_each_entry(x, net->xfrm.state_byspi+h, byspi) { if (x->props.family != family || x->id.spi != spi || x->id.proto != proto || @@ -710,9 +707,8 @@ static struct xfrm_state *__xfrm_state_lookup_byaddr(struct net *net, u32 mark, { unsigned int h = xfrm_src_hash(net, daddr, saddr, family); struct xfrm_state *x; - struct hlist_node *entry; - hlist_for_each_entry(x, entry, net->xfrm.state_bysrc+h, bysrc) { + hlist_for_each_entry(x, net->xfrm.state_bysrc+h, bysrc) { if (x->props.family != family || x->id.proto != proto || !xfrm_addr_equal(&x->id.daddr, daddr, family) || @@ -798,7 +794,6 @@ xfrm_state_find(const xfrm_address_t *daddr, const xfrm_address_t *saddr, static xfrm_address_t saddr_wildcard = { }; struct net *net = xp_net(pol); unsigned int h, h_wildcard; - struct hlist_node *entry; struct xfrm_state *x, *x0, *to_put; int acquire_in_progress = 0; int error = 0; @@ -810,7 +805,7 @@ xfrm_state_find(const xfrm_address_t *daddr, const xfrm_address_t *saddr, spin_lock_bh(&xfrm_state_lock); h = xfrm_dst_hash(net, daddr, saddr, tmpl->reqid, encap_family); - hlist_for_each_entry(x, entry, net->xfrm.state_bydst+h, bydst) { + hlist_for_each_entry(x, net->xfrm.state_bydst+h, bydst) { if (x->props.family == encap_family && x->props.reqid == tmpl->reqid && (mark & x->mark.m) == x->mark.v && @@ -826,7 +821,7 @@ xfrm_state_find(const xfrm_address_t *daddr, const xfrm_address_t *saddr, goto found; h_wildcard = xfrm_dst_hash(net, daddr, &saddr_wildcard, tmpl->reqid, encap_family); - hlist_for_each_entry(x, entry, net->xfrm.state_bydst+h_wildcard, bydst) { + hlist_for_each_entry(x, net->xfrm.state_bydst+h_wildcard, bydst) { if (x->props.family == encap_family && x->props.reqid == tmpl->reqid && (mark & x->mark.m) == x->mark.v && @@ -906,11 +901,10 @@ xfrm_stateonly_find(struct net *net, u32 mark, { unsigned int h; struct xfrm_state *rx = NULL, *x = NULL; - struct hlist_node *entry; spin_lock(&xfrm_state_lock); h = xfrm_dst_hash(net, daddr, saddr, reqid, family); - hlist_for_each_entry(x, entry, net->xfrm.state_bydst+h, bydst) { + hlist_for_each_entry(x, net->xfrm.state_bydst+h, bydst) { if (x->props.family == family && x->props.reqid == reqid && (mark & x->mark.m) == x->mark.v && @@ -972,12 +966,11 @@ static void __xfrm_state_bump_genids(struct xfrm_state *xnew) unsigned short family = xnew->props.family; u32 reqid = xnew->props.reqid; struct xfrm_state *x; - struct hlist_node *entry; unsigned int h; u32 mark = xnew->mark.v & xnew->mark.m; h = xfrm_dst_hash(net, &xnew->id.daddr, &xnew->props.saddr, reqid, family); - hlist_for_each_entry(x, entry, net->xfrm.state_bydst+h, bydst) { + hlist_for_each_entry(x, net->xfrm.state_bydst+h, bydst) { if (x->props.family == family && x->props.reqid == reqid && (mark & x->mark.m) == x->mark.v && @@ -1004,11 +997,10 @@ static struct xfrm_state *__find_acq_core(struct net *net, struct xfrm_mark *m, const xfrm_address_t *saddr, int create) { unsigned int h = xfrm_dst_hash(net, daddr, saddr, reqid, family); - struct hlist_node *entry; struct xfrm_state *x; u32 mark = m->v & m->m; - hlist_for_each_entry(x, entry, net->xfrm.state_bydst+h, bydst) { + hlist_for_each_entry(x, net->xfrm.state_bydst+h, bydst) { if (x->props.reqid != reqid || x->props.mode != mode || x->props.family != family || @@ -1215,12 +1207,11 @@ struct xfrm_state * xfrm_migrate_state_find(struct xfrm_migrate *m) { unsigned int h; struct xfrm_state *x; - struct hlist_node *entry; if (m->reqid) { h = xfrm_dst_hash(&init_net, &m->old_daddr, &m->old_saddr, m->reqid, m->old_family); - hlist_for_each_entry(x, entry, init_net.xfrm.state_bydst+h, bydst) { + hlist_for_each_entry(x, init_net.xfrm.state_bydst+h, bydst) { if (x->props.mode != m->mode || x->id.proto != m->proto) continue; @@ -1237,7 +1228,7 @@ struct xfrm_state * xfrm_migrate_state_find(struct xfrm_migrate *m) } else { h = xfrm_src_hash(&init_net, &m->old_daddr, &m->old_saddr, m->old_family); - hlist_for_each_entry(x, entry, init_net.xfrm.state_bysrc+h, bysrc) { + hlist_for_each_entry(x, init_net.xfrm.state_bysrc+h, bysrc) { if (x->props.mode != m->mode || x->id.proto != m->proto) continue; @@ -1466,10 +1457,9 @@ static struct xfrm_state *__xfrm_find_acq_byseq(struct net *net, u32 mark, u32 s int i; for (i = 0; i <= net->xfrm.state_hmask; i++) { - struct hlist_node *entry; struct xfrm_state *x; - hlist_for_each_entry(x, entry, net->xfrm.state_bydst+i, bydst) { + hlist_for_each_entry(x, net->xfrm.state_bydst+i, bydst) { if (x->km.seq == seq && (mark & x->mark.m) == x->mark.v && x->km.state == XFRM_STATE_ACQ) { |