From: Eric Dumazet <edumazet@google.com>
Date: Fri, 6 Jul 2012 07:19:05 +0000 (+0200)
Subject: ipv6: fix a bad cast in ip6_dst_lookup_tail()
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=c56bf6fe785abbd83751a462f0c7067f7145b97a;p=linux-beck.git

ipv6: fix a bad cast in ip6_dst_lookup_tail()

Fix a bug in ip6_dst_lookup_tail(), where typeof(dst) is
"struct dst_entry **", not "struct dst_entry *"

Reported-by: Fengguang Wu <wfg@linux.intel.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 6d9c0abc8c20..c6af5963a202 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -975,7 +975,7 @@ static int ip6_dst_lookup_tail(struct sock *sk,
 	 * dst entry of the nexthop router
 	 */
 	rcu_read_lock();
-	rt = (struct rt6_info *) dst;
+	rt = (struct rt6_info *) *dst;
 	n = rt->n;
 	if (n && !(n->nud_state & NUD_VALID)) {
 		struct inet6_ifaddr *ifp;