6 files changed, 11 insertions, 25 deletions

diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c
index bab338e..c581f12 100644
--- a/net/bridge/br_fdb.c
+++ b/net/bridge/br_fdb.c
@@ -161,9 +161,7 @@ void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr)
 	if (!pv)
 		return;
 
-	for (vid = find_next_bit(pv->vlan_bitmap, BR_VLAN_BITMAP_LEN, vid);
-	     vid < BR_VLAN_BITMAP_LEN;
-	     vid = find_next_bit(pv->vlan_bitmap, BR_VLAN_BITMAP_LEN, vid+1)) {
+	for_each_set_bit_from(vid, pv->vlan_bitmap, BR_VLAN_BITMAP_LEN) {
 		f = __br_fdb_get(br, br->dev->dev_addr, vid);
 		if (f && f->is_local && !f->dst)
 			fdb_delete(br, f);
@@ -724,13 +722,10 @@ int br_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
 		 * specify a VLAN.  To be nice, add/update entry for every
 		 * vlan on this port.
 		 */
-		vid = find_first_bit(pv->vlan_bitmap, BR_VLAN_BITMAP_LEN);
-		while (vid < BR_VLAN_BITMAP_LEN) {
+		for_each_set_bit(vid, pv->vlan_bitmap, BR_VLAN_BITMAP_LEN) {
 			err = __br_fdb_add(ndm, p, addr, nlh_flags, vid);
 			if (err)
 				goto out;
-			vid = find_next_bit(pv->vlan_bitmap,
-					    BR_VLAN_BITMAP_LEN, vid+1);
 		}
 	}
 
@@ -815,11 +810,8 @@ int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[],
 		 * vlan on this port.
 		 */
 		err = -ENOENT;
-		vid = find_first_bit(pv->vlan_bitmap, BR_VLAN_BITMAP_LEN);
-		while (vid < BR_VLAN_BITMAP_LEN) {
+		for_each_set_bit(vid, pv->vlan_bitmap, BR_VLAN_BITMAP_LEN) {
 			err &= __br_fdb_delete(p, addr, vid);
-			vid = find_next_bit(pv->vlan_bitmap,
-					    BR_VLAN_BITMAP_LEN, vid+1);
 		}
 	}
 out:
diff --git a/net/bridge/br_mdb.c b/net/bridge/br_mdb.c
index ee79f3f..19942e3 100644
--- a/net/bridge/br_mdb.c
+++ b/net/bridge/br_mdb.c
@@ -382,7 +382,7 @@ static int __br_mdb_add(struct net *net, struct net_bridge *br,
 	return ret;
 }
 
-static int br_mdb_add(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
+static int br_mdb_add(struct sk_buff *skb, struct nlmsghdr *nlh)
 {
 	struct net *net = sock_net(skb->sk);
 	struct br_mdb_entry *entry;
@@ -458,7 +458,7 @@ unlock:
 	return err;
 }
 
-static int br_mdb_del(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
+static int br_mdb_del(struct sk_buff *skb, struct nlmsghdr *nlh)
 {
 	struct net_device *dev;
 	struct br_mdb_entry *entry;
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 923fbea..81f2389 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -1369,7 +1369,7 @@ static int br_multicast_ipv4_rcv(struct net_bridge *br,
 		return -EINVAL;
 
 	if (iph->protocol != IPPROTO_IGMP) {
-		if ((iph->daddr & IGMP_LOCAL_GROUP_MASK) != IGMP_LOCAL_GROUP)
+		if (!ipv4_is_local_multicast(iph->daddr))
 			BR_INPUT_SKB_CB(skb)->mrouters_only = 1;
 		return 0;
 	}
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index 299fc5f..b96e02e 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -136,10 +136,7 @@ static int br_fill_ifinfo(struct sk_buff *skb,
 			goto nla_put_failure;
 
 		pvid = br_get_pvid(pv);
-		for (vid = find_first_bit(pv->vlan_bitmap, BR_VLAN_BITMAP_LEN);
-		     vid < BR_VLAN_BITMAP_LEN;
-		     vid = find_next_bit(pv->vlan_bitmap,
-					 BR_VLAN_BITMAP_LEN, vid+1)) {
+		for_each_set_bit(vid, pv->vlan_bitmap, BR_VLAN_BITMAP_LEN) {
 			vinfo.vid = vid;
 			vinfo.flags = 0;
 			if (vid == pvid)
@@ -360,7 +357,7 @@ int br_setlink(struct net_device *dev, struct nlmsghdr *nlh)
 	struct nlattr *afspec;
 	struct net_bridge_port *p;
 	struct nlattr *tb[IFLA_BRPORT_MAX + 1];
-	int err;
+	int err = 0;
 
 	ifm = nlmsg_data(nlh);
 
@@ -373,7 +370,7 @@ int br_setlink(struct net_device *dev, struct nlmsghdr *nlh)
 	/* We want to accept dev as bridge itself if the AF_SPEC
 	 * is set to see if someone is setting vlan info on the brigde
 	 */
-	if (!p && ((dev->priv_flags & IFF_EBRIDGE) && !afspec))
+	if (!p && !afspec)
 		return -EINVAL;
 
 	if (p && protinfo) {
diff --git a/net/bridge/netfilter/ebt_ulog.c b/net/bridge/netfilter/ebt_ulog.c
index 3bf43f7..442b032 100644
--- a/net/bridge/netfilter/ebt_ulog.c
+++ b/net/bridge/netfilter/ebt_ulog.c
@@ -319,12 +319,11 @@ static void __exit ebt_ulog_fini(void)
 	for (i = 0; i < EBT_ULOG_MAXNLGROUPS; i++) {
 		ub = &ulog_buffers[i];
 		del_timer(&ub->timer);
-		spin_lock_bh(&ub->lock);
+
 		if (ub->skb) {
 			kfree_skb(ub->skb);
 			ub->skb = NULL;
 		}
-		spin_unlock_bh(&ub->lock);
 	}
 	netlink_kernel_release(ebtulognl);
 }
diff --git a/net/bridge/netfilter/ebtable_broute.c b/net/bridge/netfilter/ebtable_broute.c
index 40d8258..70f656c 100644
--- a/net/bridge/netfilter/ebtable_broute.c
+++ b/net/bridge/netfilter/ebtable_broute.c
@@ -64,9 +64,7 @@ static int ebt_broute(struct sk_buff *skb)
 static int __net_init broute_net_init(struct net *net)
 {
 	net->xt.broute_table = ebt_register_table(net, &broute_table);
-	if (IS_ERR(net->xt.broute_table))
-		return PTR_ERR(net->xt.broute_table);
-	return 0;
+	return PTR_RET(net->xt.broute_table);
 }
 
 static void __net_exit broute_net_exit(struct net *net)