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| author | Ingo Molnar <mingo@elte.hu> | 2010-03-15 08:17:33 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-03-15 08:17:33 +0100 |
| commit | 12b8aeee3e51654fb95a3baff2e093f2513bb87d (patch) | |
| tree | 73f78d62591b197cd53747e36a2f3d707b79a50b /net/ipv4/tcp_ipv4.c | |
| parent | 25268498c9e07870323aead10751b7c6e99a3a78 (diff) | |
| parent | a3d3203e4bb40f253b1541e310dc0f9305be7c84 (diff) | |
| download | kernel-crypto-12b8aeee3e51654fb95a3baff2e093f2513bb87d.tar.gz kernel-crypto-12b8aeee3e51654fb95a3baff2e093f2513bb87d.tar.xz kernel-crypto-12b8aeee3e51654fb95a3baff2e093f2513bb87d.zip | |
Merge branch 'linus' into timers/core
Conflicts:
Documentation/feature-removal-schedule.txt
Merge reason: Resolve the conflict, update to upstream.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
| -rw-r--r-- | net/ipv4/tcp_ipv4.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index c3588b4fd97..70df40980a8 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -1651,13 +1651,15 @@ int tcp_v4_rcv(struct sk_buff *skb) if (!sk) goto no_tcp_socket; - if (iph->ttl < inet_sk(sk)->min_ttl) - goto discard_and_relse; - process: if (sk->sk_state == TCP_TIME_WAIT) goto do_time_wait; + if (unlikely(iph->ttl < inet_sk(sk)->min_ttl)) { + NET_INC_STATS_BH(net, LINUX_MIB_TCPMINTTLDROP); + goto discard_and_relse; + } + if (!xfrm4_policy_check(sk, XFRM_POLICY_IN, skb)) goto discard_and_relse; nf_reset(skb); @@ -1682,8 +1684,11 @@ process: if (!tcp_prequeue(sk, skb)) ret = tcp_v4_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); |