tun: orphan frags on xmit

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 <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index f3a454c3295a7d2bf1839550302d908ee144d786..b95a7f44a6d8dff4c62db9bfd814ce7c65111881 100644 (file)
--- 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 */