From mboxrd@z Thu Jan 1 00:00:00 1970 From: roy.qing.li@gmail.com Subject: [PATCH][net-next] virtio: simplify the using of received in virtnet_poll Date: Thu, 26 Mar 2015 15:39:45 +0800 Message-ID: <1427355585-10365-1-git-send-email-roy.qing.li@gmail.com> To: netdev@vger.kernel.org Return-path: Received: from mail.windriver.com ([147.11.1.11]:51596 "EHLO mail.windriver.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752277AbbCZHjr (ORCPT ); Thu, 26 Mar 2015 03:39:47 -0400 Received: from localhost (lirq-optiplex-780.corp.ad.wrs.com [128.224.162.139]) by mail.windriver.com (8.14.9/8.14.5) with ESMTP id t2Q7dkAC011717 for ; Thu, 26 Mar 2015 00:39:46 -0700 (PDT) Sender: netdev-owner@vger.kernel.org List-ID: From: Li RongQing received is 0, no need to minus it and use "+=" to reassign it Signed-off-by: Li RongQing --- drivers/net/virtio_net.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 59b0e97..cb54ff7 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -749,9 +749,9 @@ static int virtnet_poll(struct napi_struct *napi, int budget) { struct receive_queue *rq = container_of(napi, struct receive_queue, napi); - unsigned int r, received = 0; + unsigned int r, received; - received += virtnet_receive(rq, budget - received); + received = virtnet_receive(rq, budget); /* Out of packets? */ if (received < budget) { -- 2.1.0