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net: udp: do not report ICMP redirects to user space

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Redirect isn't an error condition, it should leave
the error handler without touching the socket.

Signed-off-by: Duan Jiong <duanj.fnst@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Duan Jiong 2013-09-20 18:20:28 +08:00 committed by David S. Miller
parent 9fe34f5d92
commit 1a462d1892
2 changed files with 4 additions and 2 deletions
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2
net/ipv4/udp.c
View File

@ -658,7 +658,7 @@ void __udp4_lib_err(struct sk_buff *skb, u32 info, struct udp_table *udptable)
break;
case ICMP_REDIRECT:
ipv4_sk_redirect(skb, sk);
break;
goto out;
}
/*

4
net/ipv6/udp.c
View File

@ -525,8 +525,10 @@ void __udp6_lib_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
if (type == ICMPV6_PKT_TOOBIG)
ip6_sk_update_pmtu(skb, sk, info);
if (type == NDISC_REDIRECT)
if (type == NDISC_REDIRECT) {
ip6_sk_redirect(skb, sk);
goto out;
}
np = inet6_sk(sk);