diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-03-15 14:27:06 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-03-15 14:27:06 +0000 |
| commit | 2d3b5fa3a39d16c880bda3cf2bd9dd6ed5a01f74 (patch) | |
| tree | e20283fe2ed46aa35c8ca5fc1724ba067cd2e2f8 /net/ipv6/udp.c | |
| parent | 3f17522ce461a31e7ced6311b28fcf5b8a763316 (diff) | |
| parent | 7278a22143b003e9af7b9ca1b5f1c40ae4b55d98 (diff) | |
| download | op-kernel-dev-2d3b5fa3a39d16c880bda3cf2bd9dd6ed5a01f74.zip op-kernel-dev-2d3b5fa3a39d16c880bda3cf2bd9dd6ed5a01f74.tar.gz | |
Merge master.kernel.org:/pub/scm/linux/kernel/git/lethal/genesis-2.6
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; |
