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| author | Jens Axboe <jens.axboe@oracle.com> | 2010-03-19 08:05:10 +0100 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2010-03-19 08:05:10 +0100 |
| commit | b4b7a4ef097f288f724420b473dbf92a89c0ab7e (patch) | |
| tree | 23ad8101e3e77c32a8d1e1b95a9c1cd7f7a475b7 /net/ipv6/udp.c | |
| parent | e9ce335df51ff782035a15c261a3c0c9892a1767 (diff) | |
| parent | a3d3203e4bb40f253b1541e310dc0f9305be7c84 (diff) | |
| download | kernel_goldelico_gta04-b4b7a4ef097f288f724420b473dbf92a89c0ab7e.zip kernel_goldelico_gta04-b4b7a4ef097f288f724420b473dbf92a89c0ab7e.tar.gz kernel_goldelico_gta04-b4b7a4ef097f288f724420b473dbf92a89c0ab7e.tar.bz2 | |
Merge branch 'master' into for-linus
Conflicts:
block/Kconfig
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'net/ipv6/udp.c')
| -rw-r--r-- | net/ipv6/udp.c | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index 52b8347..3c0c9c7 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -583,16 +583,20 @@ static void flush_stack(struct sock **stack, unsigned int count, bh_lock_sock(sk); if (!sock_owned_by_user(sk)) udpv6_queue_rcv_skb(sk, skb1); - else - sk_add_backlog(sk, skb1); + else if (sk_add_backlog(sk, skb1)) { + kfree_skb(skb1); + bh_unlock_sock(sk); + goto drop; + } bh_unlock_sock(sk); - } else { - atomic_inc(&sk->sk_drops); - UDP6_INC_STATS_BH(sock_net(sk), - UDP_MIB_RCVBUFERRORS, IS_UDPLITE(sk)); - UDP6_INC_STATS_BH(sock_net(sk), - UDP_MIB_INERRORS, IS_UDPLITE(sk)); + continue; } +drop: + atomic_inc(&sk->sk_drops); + UDP6_INC_STATS_BH(sock_net(sk), + UDP_MIB_RCVBUFERRORS, IS_UDPLITE(sk)); + UDP6_INC_STATS_BH(sock_net(sk), + UDP_MIB_INERRORS, IS_UDPLITE(sk)); } } /* @@ -754,8 +758,12 @@ int __udp6_lib_rcv(struct sk_buff *skb, struct udp_table *udptable, bh_lock_sock(sk); if (!sock_owned_by_user(sk)) udpv6_queue_rcv_skb(sk, skb); - else - sk_add_backlog(sk, skb); + else if (sk_add_backlog(sk, skb)) { + atomic_inc(&sk->sk_drops); + bh_unlock_sock(sk); + sock_put(sk); + goto discard; + } bh_unlock_sock(sk); sock_put(sk); return 0; |