3.11.10.11 -stable review patch.  If anyone has any objections, please let me 
know.

------------------

From: Sergey Popovich <[email protected]>

commit a8951d5814e1373807a94f79f7ccec7041325470 upstream.

Dst is released one line before we access it again with dst->error.

Fixes: 58e35d147128 netfilter: ipv6: propagate routing errors from
ip6_route_me_harder()

Signed-off-by: Sergey Popovich <[email protected]>
Signed-off-by: Pablo Neira Ayuso <[email protected]>
Signed-off-by: Luis Henriques <[email protected]>
---
 net/ipv6/netfilter.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/net/ipv6/netfilter.c b/net/ipv6/netfilter.c
index 95f3f1da0d7f..d38e6a8d8b9f 100644
--- a/net/ipv6/netfilter.c
+++ b/net/ipv6/netfilter.c
@@ -30,13 +30,15 @@ int ip6_route_me_harder(struct sk_buff *skb)
                .daddr = iph->daddr,
                .saddr = iph->saddr,
        };
+       int err;
 
        dst = ip6_route_output(net, skb->sk, &fl6);
-       if (dst->error) {
+       err = dst->error;
+       if (err) {
                IP6_INC_STATS(net, ip6_dst_idev(dst), IPSTATS_MIB_OUTNOROUTES);
                LIMIT_NETDEBUG(KERN_DEBUG "ip6_route_me_harder: No more 
route.\n");
                dst_release(dst);
-               return dst->error;
+               return err;
        }
 
        /* Drop old route. */
-- 
1.9.1

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