diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2010-04-13 14:12:17 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2010-04-13 14:12:17 +0200 |
| commit | 7c7145f6acc68100dbdc5d3c5c64fe3af1c99c89 (patch) | |
| tree | 5e93e3eb4787229032f1df222fa490112f4b0c32 /net/ipv4/tcp_ipv4.c | |
| parent | 92d6b71ab906be706f3679353b30a8d2c3831144 (diff) | |
| parent | 0d0fb0f9c5fddef4a10242fe3337f00f528a3099 (diff) | |
Merge branch 'linus' into irq/core
Reason: Get the upstream IRQF_DISABLED related changes.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
| -rw-r--r-- | net/ipv4/tcp_ipv4.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 70df40980a87..3c23e70885f4 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -60,6 +60,7 @@ #include <linux/jhash.h> #include <linux/init.h> #include <linux/times.h> +#include <linux/slab.h> #include <net/net_namespace.h> #include <net/icmp.h> @@ -370,6 +371,11 @@ 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); |