commit 33cc48966827165e49de1cb8ff4fb57c127d4be0
author YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Mon Aug 28 13:19:30 2006 -0700
committer David S. Miller <davem@sunset.davemloft.net> Fri Sep 22 15:18:26 2006 -0700
tree 442ad224702bb0a085a71efabc1ff18fdff91d12
parent 5176f91ea83f1a59eba4dba88634a4729d51d1ac

[IPV6] ROUTE: Fix dst reference counting in ip6_pol_route_lookup().

In ip6_pol_route_lookup(), when we finish backtracking at the
top-level root entry, we need to hold it.

Bug noticed by Mitsuru Chinen <CHINEN@jp.ibm.com>.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/ipv6/route.c

diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 75f4bb9..d6b4b4f4 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -510,8 +510,8 @@
 	rt = fn->leaf;
 	rt = rt6_device_match(rt, fl->oif, flags);
 	BACKTRACK(&fl->fl6_src);
-	dst_hold(&rt->u.dst);
 out:
+	dst_hold(&rt->u.dst);
 	read_unlock_bh(&table->tb6_lock);
 
 	rt->u.dst.lastuse = jiffies;