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| author | Takashi Iwai <tiwai@suse.de> | 2010-03-23 14:56:33 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2010-03-23 14:56:33 +0100 |
| commit | 85ae01b2da0ed606a2e8d840aadef90fd30220a1 (patch) | |
| tree | f9eaa974b88b9db09dab9e5f6876e87d12543fe4 /net/ipv4/tcp_ipv4.c | |
| parent | 6407d474e6ae6a798fa5ba40b32f508a52de80ff (diff) | |
| parent | 306ff3e473a970f88680e8355c0900fcab0357e2 (diff) | |
Merge remote branch 'alsa/devel' into topic/usb
Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
| -rw-r--r-- | net/ipv4/tcp_ipv4.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 70df40980a87..f4df5f931f36 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -370,6 +370,11 @@ void tcp_v4_err(struct sk_buff *icmp_skb, u32 info) if (sk->sk_state == TCP_CLOSE) goto out; + if (unlikely(iph->ttl < inet_sk(sk)->min_ttl)) { + NET_INC_STATS_BH(net, LINUX_MIB_TCPMINTTLDROP); + goto out; + } + icsk = inet_csk(sk); tp = tcp_sk(sk); seq = ntohl(th->seq); |