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authorDuan Jiong <duanj.fnst@cn.fujitsu.com>2013-09-20 18:20:28 +0800
committerDavid S. Miller <davem@davemloft.net>2013-09-24 10:15:49 -0400
commit1a462d189280b560bd84af1407e4d848e262b3b3 (patch)
tree67d0934fb3e4cad4f9219c7e033d9b0e7856d18b /net
parent9fe34f5d920b183ec063550e0f4ec854aa373316 (diff)
downloadlinux-1a462d189280b560bd84af1407e4d848e262b3b3.tar.bz2
net: udp: do not report ICMP redirects to user space
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>
Diffstat (limited to 'net')
-rw-r--r--net/ipv4/udp.c2
-rw-r--r--net/ipv6/udp.c4
2 files changed, 4 insertions, 2 deletions
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 74d2c95db57f..0ca44df51ee9 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -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;
}
/*
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index f4058150262b..72b7eaaf3ca0 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -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);