ax25: In ax25_rebuild_header add missing kfree_skb

In the unlikely (impossible?) event that we attempt to transmit an ax25 packet over a non-ax25 device free the skb so we don't leak it. Cc: Ralf Baechle <[email protected]> Cc: [email protected] Signed-off-by: "Eric W. Biederman" <[email protected]> Signed-off-by: David S. Miller <[email protected]>
chewitt · Mar 2, 2015 · e18dbd0 · e18dbd0
1 parent 61e021f
commit e18dbd0
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/net/ax25/ax25_ip.c b/net/ax25/ax25_ip.c
@@ -129,6 +129,7 @@ int ax25_rebuild_header(struct sk_buff *skb)
 		dev = skb->dev;
 
 	if ((ax25_dev = ax25_dev_ax25dev(dev)) == NULL) {
+		kfree_skb(skb);
 		goto put;
 	}