From 436accebb53021ef7c63535f60bda410aa87c136 Mon Sep 17 00:00:00 2001
From: Jason Wang <jasowang@redhat.com>
Date: Wed, 23 Nov 2016 10:26:49 +0800
Subject: [PATCH] tuntap: remove unnecessary sk_receive_queue length check
during xmit
After commit 1576d9860599 ("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>
---
drivers/net/tun.c | 7 -------
1 file changed, 7 deletions(-)
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 64e694c68d99..e2af2dd544f0 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -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;
--
2.50.1