From: Duan Jiong <duanj.fnst@cn.fujitsu.com>
Date: Wed, 18 Sep 2013 12:03:27 +0000 (+0800)
Subject: net:dccp: do not report ICMP redirects to user space
X-Git-Tag: v4.0~3237^2~6
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=bd784a140712fd06674f2240eecfc4ccae421129;p=platform%2Fkernel%2Flinux-amlogic.git

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

DCCP shouldn't be setting sk_err on redirects as it
isn't an error condition. it should be doing exactly
what tcp is doing and leaving 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/dccp/ipv6.c b/net/dccp/ipv6.c
index 9c61f9c..6cf9f77 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -135,6 +135,7 @@ static void dccp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 
 		if (dst)
 			dst->ops->redirect(dst, sk, skb);
+		goto out;
 	}
 
 	if (type == ICMPV6_PKT_TOOBIG) {