sit: Add missing kfree_skb() on pskb_may_pull() failure.

[ Upstream commit: 36ca34cc3b8335eb1fe8bd9a1d0a2592980c3f02 ]

Noticed by Paul Marks <paul@pmarks.net>.

Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 1656c003b98958df7afbeaec66a3c7654d4d64ee..4de86c4b65a1d4133f3ce9b8dac67f67a057a1ef 100644 (file)
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -446,9 +446,9 @@ static int ipip6_rcv(struct sk_buff *skb)
        }
 
        icmp_send(skb, ICMP_DEST_UNREACH, ICMP_PORT_UNREACH, 0);
-       kfree_skb(skb);
        read_unlock(&ipip6_lock);
 out:
+       kfree_skb(skb);
        return 0;
 }