From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756290AbcKWC0z (ORCPT ); Tue, 22 Nov 2016 21:26:55 -0500 Received: from mx1.redhat.com ([209.132.183.28]:41388 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755337AbcKWC0y (ORCPT ); Tue, 22 Nov 2016 21:26:54 -0500 From: Jason Wang To: netdev@vger.kernel.org, linux-kernel@vger.kernel.org Cc: mst@redhat.com, Jason Wang Subject: [PATCH net-next] tuntap: remove unnecessary sk_receive_queue length check during xmit Date: Wed, 23 Nov 2016 10:26:49 +0800 Message-Id: <1479868009-14157-1-git-send-email-jasowang@redhat.com> X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Wed, 23 Nov 2016 02:26:53 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- drivers/net/tun.c | 7 ------- 1 file changed, 7 deletions(-) diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 64e694c..e2af2dd 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; -- 2.7.4