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author | David Woodhouse <David.Woodhouse@intel.com> | 2010-05-10 14:32:46 +0100 |
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committer | David Woodhouse <David.Woodhouse@intel.com> | 2010-05-10 14:32:46 +0100 |
commit | 0ae28a35bcb7984838acbf28bfba9c030f8b74f0 (patch) | |
tree | 4f449d929b5df9e126e839f388ff0fd2b52028a0 /net/ipv4/tcp_ipv4.c | |
parent | 6f1f3d0ab5c3eeea9f04486481c25e9afdfa26c5 (diff) | |
parent | b57f95a38233a2e73b679bea4a5453a1cc2a1cc9 (diff) | |
download | kernel_samsung_smdk4412-0ae28a35bcb7984838acbf28bfba9c030f8b74f0.zip kernel_samsung_smdk4412-0ae28a35bcb7984838acbf28bfba9c030f8b74f0.tar.gz kernel_samsung_smdk4412-0ae28a35bcb7984838acbf28bfba9c030f8b74f0.tar.bz2 |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
drivers/mtd/mtdcore.c
Pull in the bdi fixes and ARM platform changes that other outstanding
patches depend on.
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 70df409..3c23e70 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); |