From 2015de5fe2a47086a3260802275932bfd810884e Mon Sep 17 00:00:00 2001
From: Ben Greear <greearb@candelatech.com>
Date: Tue, 27 Sep 2011 15:16:08 -0400
Subject: [PATCH] ipv6-multicast: Fix memory leak in input path.
Have to free the skb before returning if we fail
the fib lookup.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
net/ipv6/ip6mr.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 705c82886281..825d02fa6586 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -2052,8 +2052,10 @@ int ip6_mr_input(struct sk_buff *skb)
int err;
err = ip6mr_fib_lookup(net, &fl6, &mrt);
- if (err < 0)
+ if (err < 0) {
+ kfree_skb(skb);
return err;
+ }
read_lock(&mrt_lock);
cache = ip6mr_cache_find(mrt,