From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4EF67C19759 for ; Fri, 2 Aug 2019 01:27:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 28CE72080C for ; Fri, 2 Aug 2019 01:27:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730887AbfHBB1D (ORCPT ); Thu, 1 Aug 2019 21:27:03 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:3697 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727848AbfHBB1D (ORCPT ); Thu, 1 Aug 2019 21:27:03 -0400 Received: from DGGEMS405-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 6B64A1B966E4DF1DCBEF; Fri, 2 Aug 2019 09:27:01 +0800 (CST) Received: from localhost.localdomain.localdomain (10.175.113.25) by DGGEMS405-HUB.china.huawei.com (10.3.19.205) with Microsoft SMTP Server id 14.3.439.0; Fri, 2 Aug 2019 09:26:53 +0800 From: Wei Yongjun To: Ioana Radulescu , Ioana Ciornei , Greg Kroah-Hartman CC: Wei Yongjun , , , Subject: [PATCH -next] staging: fsl-dpaa2/ethsw: Remove useless set memory to zero use memset() Date: Fri, 2 Aug 2019 01:31:49 +0000 Message-ID: <20190802013149.80952-1-weiyongjun1@huawei.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT X-Originating-IP: [10.175.113.25] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The memory return by kzalloc() has already be set to zero, so remove useless memset(0). Signed-off-by: Wei Yongjun --- drivers/staging/fsl-dpaa2/ethsw/ethsw.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c index 4b94a01513a7..aac98ece2335 100644 --- a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c +++ b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c @@ -641,8 +641,6 @@ static int port_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, if (!dma_mem) return -ENOMEM; - memset(dma_mem, 0, fdb_dump_size); - fdb_dump_iova = dma_map_single(dev, dma_mem, fdb_dump_size, DMA_FROM_DEVICE); if (dma_mapping_error(dev, fdb_dump_iova)) {