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tuntap: remove unnecessary sk_receive_queue length check during xmit 

After commit 1576d98605 ("tun: switch to use skb array for tx"),
sk_receive_queue was not used any more. So remove the uncessary
sk_receive_queue length check during xmit.

Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jason Wang 2016-11-23 10:26:49 +08:00 committed by David S. Miller
parent db6a71dd9a
commit 436accebb5
1 changed files with 0 additions and 7 deletions
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7
drivers/net/tun.c
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@ -878,13 +878,6 @@ static netdev_tx_t tun_net_xmit(struct sk_buff *skb, struct net_device *dev)
sk_filter(tfile->socket.sk, skb))
goto drop;
/* Limit the number of packets queued by dividing txq length with the
* number of queues.
*/
if (skb_queue_len(&tfile->socket.sk->sk_receive_queue) * numqueues
>= dev->tx_queue_len)
goto drop;
if (unlikely(skb_orphan_frags(skb, GFP_ATOMIC)))
goto drop;