From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751630AbdJWLYW (ORCPT ); Mon, 23 Oct 2017 07:24:22 -0400 Received: from szxga05-in.huawei.com ([45.249.212.191]:9017 "EHLO szxga05-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751335AbdJWLYU (ORCPT ); Mon, 23 Oct 2017 07:24:20 -0400 From: Lipeng To: CC: , , , , , Subject: [PATCH net-next 6/7] net: hns3: remove redundant memset when alloc buffer Date: Mon, 23 Oct 2017 19:51:06 +0800 Message-ID: <1508759467-18397-7-git-send-email-lipeng321@huawei.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1508759467-18397-1-git-send-email-lipeng321@huawei.com> References: <1508759467-18397-1-git-send-email-lipeng321@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.71.200.31] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A090203.59EDD160.0039,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0, ip=0.0.0.0, so=2014-11-16 11:51:01, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 8e387548a3d0fb60d4cb6dc90af2ea60 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org HW will use packet length to write packets to buffer or read packets from buffer. There is a redundant memset when alloc buffer, the memset have no sense and will increase time-consuming. This patch removes it. Fixes: 76ad4f0 (net: hns3: Add support of HNS3 Ethernet Driver for hip08 SoC) Signed-off-by: Lipeng --- drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c index 14de0f7..06af3c8 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c @@ -1444,8 +1444,6 @@ static int hns3_alloc_buffer(struct hns3_enet_ring *ring, cb->length = hnae_page_size(ring); cb->type = DESC_TYPE_PAGE; - memset(cb->buf, 0, cb->length); - return 0; } -- 1.9.1