tun: orphan frags on xmit

mstsirkin · davem330 · commit 868eefeb17d4 · 2012-07-22T12:39:33.000-07:00
tun xmit is actually receive of the internal tun
socket. Orphan the frags same as we do for normal rx path.

Signed-off-by: Michael S. Tsirkin &lt;mst@redhat.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
@@ -416,6 +416,8 @@ static netdev_tx_t tun_net_xmit(struct sk_buff *skb, struct net_device *dev)
 
 	/* Orphan the skb - required as we might hang on to it
 	 * for indefinite time. */
+	if (unlikely(skb_orphan_frags(skb, GFP_ATOMIC)))
+		goto drop;
 	skb_orphan(skb);
 
 	/* Enqueue packet */
