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()
  ...

1 files changed, 5 insertions, 2 deletions

diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 6963a6b6763e..9b6dbba80d31 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1740,8 +1740,11 @@ process:
                         if (!tcp_prequeue(sk, skb))
                                 ret = tcp_v6_do_rcv(sk, skb);
                 }
-        } else
-                sk_add_backlog(sk, skb);
+        } else if (unlikely(sk_add_backlog(sk, skb))) {
+                bh_unlock_sock(sk);
+                NET_INC_STATS_BH(net, LINUX_MIB_TCPBACKLOGDROP);
+                goto discard_and_relse;
+        }
         bh_unlock_sock(sk);
 
         sock_put(sk);