net: raw: 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>

1 files changed, 3 insertions, 1 deletions

diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 58916bbb1728..a4ed2416399e 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -335,8 +335,10 @@ static void rawv6_err(struct sock *sk, struct sk_buff *skb,
                 ip6_sk_update_pmtu(skb, sk, info);
                 harderr = (np->pmtudisc == IPV6_PMTUDISC_DO);
         }
-        if (type == NDISC_REDIRECT)
+        if (type == NDISC_REDIRECT) {
                 ip6_sk_redirect(skb, sk);
+                return;
+        }
         if (np->recverr) {
                 u8 *payload = skb->data;
                 if (!inet->hdrincl)