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author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-13 22:50:18 (GMT) |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-13 22:50:18 (GMT) |
commit | d89b218b801fd93ea95880f1c7fde348cbcc51c5 (patch) | |
tree | cd3c34e1811f9b2bc10ecfb957bf26cbd04c677e /net/bridge | |
parent | 80a186074e72e2cd61f6716d90cf32ce54981a56 (diff) | |
parent | bec68ff1637ca00bb1585a03a7be8a13380084de (diff) | |
download | linux-fsl-qoriq-d89b218b801fd93ea95880f1c7fde348cbcc51c5.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (108 commits)
bridge: ensure to unlock in error path in br_multicast_query().
drivers/net/tulip/eeprom.c: fix bogus "(null)" in tulip init messages
sky2: Avoid rtnl_unlock without rtnl_lock
ipv6: Send netlink notification when DAD fails
drivers/net/tg3.c: change the field used with the TG3_FLAG_10_100_ONLY constant
ipconfig: Handle devices which take some time to come up.
mac80211: Fix memory leak in ieee80211_if_write()
mac80211: Fix (dynamic) power save entry
ipw2200: use kmalloc for large local variables
ath5k: read eeprom IQ calibration values correctly for G mode
ath5k: fix I/Q calibration (for real)
ath5k: fix TSF reset
ath5k: use fixed antenna for tx descriptors
libipw: split ieee->networks into small pieces
mac80211: Fix sta_mtx unlocking on insert STA failure path
rt2x00: remove KSEG1ADDR define from rt2x00soc.h
net: add ColdFire support to the smc91x driver
asix: fix setting mac address for AX88772
ipv6 ip6_tunnel: eliminate unused recursion field from ip6_tnl{}.
net: Fix dev_mc_add()
...
Diffstat (limited to 'net/bridge')
-rw-r--r-- | net/bridge/Kconfig | 1 | ||||
-rw-r--r-- | net/bridge/br_multicast.c | 19 |
2 files changed, 12 insertions, 8 deletions
diff --git a/net/bridge/Kconfig b/net/bridge/Kconfig index 19a6b96..d115d5c 100644 --- a/net/bridge/Kconfig +++ b/net/bridge/Kconfig @@ -35,6 +35,7 @@ config BRIDGE config BRIDGE_IGMP_SNOOPING bool "IGMP snooping" depends on BRIDGE + depends on INET default y ---help--- If you say Y here, then the Ethernet bridge will be able selectively diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c index 2559fb5..fd96a8d 100644 --- a/net/bridge/br_multicast.c +++ b/net/bridge/br_multicast.c @@ -38,7 +38,7 @@ static struct net_bridge_mdb_entry *__br_mdb_ip_get( struct net_bridge_mdb_entry *mp; struct hlist_node *p; - hlist_for_each_entry(mp, p, &mdb->mhash[hash], hlist[mdb->ver]) { + hlist_for_each_entry_rcu(mp, p, &mdb->mhash[hash], hlist[mdb->ver]) { if (dst == mp->addr) return mp; } @@ -627,8 +627,8 @@ static void br_multicast_port_query_expired(unsigned long data) struct net_bridge *br = port->br; spin_lock(&br->multicast_lock); - if (port && (port->state == BR_STATE_DISABLED || - port->state == BR_STATE_BLOCKING)) + if (port->state == BR_STATE_DISABLED || + port->state == BR_STATE_BLOCKING) goto out; if (port->multicast_startup_queries_sent < @@ -823,6 +823,7 @@ static int br_multicast_query(struct net_bridge *br, unsigned long max_delay; unsigned long now = jiffies; __be32 group; + int err = 0; spin_lock(&br->multicast_lock); if (!netif_running(br->dev) || @@ -841,12 +842,14 @@ static int br_multicast_query(struct net_bridge *br, group = 0; } } else { - if (!pskb_may_pull(skb, sizeof(struct igmpv3_query))) - return -EINVAL; + if (!pskb_may_pull(skb, sizeof(struct igmpv3_query))) { + err = -EINVAL; + goto out; + } ih3 = igmpv3_query_hdr(skb); if (ih3->nsrcs) - return 0; + goto out; max_delay = ih3->code ? 1 : IGMPV3_MRC(ih3->code) * (HZ / IGMP_TIMER_SCALE); @@ -876,7 +879,7 @@ static int br_multicast_query(struct net_bridge *br, out: spin_unlock(&br->multicast_lock); - return 0; + return err; } static void br_multicast_leave_group(struct net_bridge *br, @@ -1135,7 +1138,7 @@ void br_multicast_stop(struct net_bridge *br) if (mdb->old) { spin_unlock_bh(&br->multicast_lock); - synchronize_rcu_bh(); + rcu_barrier_bh(); spin_lock_bh(&br->multicast_lock); WARN_ON(mdb->old); } |