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 <[email protected]> Signed-off-by: David S. Miller <[email protected]>
oleg-nesterov · Sep 27, 2011 · 2015de5 · 2015de5
1 parent 29453f6
commit 2015de5
Showing 1 changed file with 3 additions and 1 deletion.
diff --git 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,