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>
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index f405815..72b7eaa 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -525,8 +525,10 @@
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);