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

[ Upstream commit bd784a140712fd06674f2240eecfc4ccae421129 ]

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Duan Jiong 2013-09-18 20:03:27 +08:00 committed by Greg Kroah-Hartman
parent e4e7ba12fa
commit f25e4f35de
1 changed files with 1 additions and 0 deletions
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net/dccp/ipv6.c
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@ -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) {