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=-13.3 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 6DE9DC48BD9 for ; Thu, 27 Jun 2019 17:34:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 49AA82064A for ; Thu, 27 Jun 2019 17:34:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="jG81AaIg" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726405AbfF0Re0 (ORCPT ); Thu, 27 Jun 2019 13:34:26 -0400 Received: from mail-pg1-f194.google.com ([209.85.215.194]:45426 "EHLO mail-pg1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726557AbfF0Re0 (ORCPT ); Thu, 27 Jun 2019 13:34:26 -0400 Received: by mail-pg1-f194.google.com with SMTP id z19so1322024pgl.12; Thu, 27 Jun 2019 10:34:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=cFX/Hroy8JhGNcWKVgvUThIxX3llgz/HND0HFdXYwxY=; b=jG81AaIgPNJ48aUwfThvJxNL2urKXSbstAsexVme2UGgWQ1bJ/St85auPVnOB2vwf0 zzoYMqj5dxtytrpbnaARpmkyN73bDdft7LJv7eNHHQJWCYVAPph9S79CO/t3IWpJqZwu ShMKNL67tdOgWZWXJEiMX3cTbE+Goz80p3ily4LXZfecMCRaBNySGiFO/xKqb5MsB4GX PLn8kdrA/3VDN+O+1A5ZhGOFQUa/ib8qKHEdtIFm93z70pQ9AHAXJCxGFxnZbA9rntdO oqkzJA0OrWvpPXQU4l6Lr4yEP5OceDKErEQoWIvx4e7Rg6oEpHzIlOxe/S+wrtMu3UWu yrIg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=cFX/Hroy8JhGNcWKVgvUThIxX3llgz/HND0HFdXYwxY=; b=DVGpQKUYkwBPkzz7Zq0Qy+gIrKgzRTXMGIVKddFss05Ecl7RUO20zaITBIWfBLAeMT crTbMyFhOWqfHXTU3vP6ZdVpPvkTHAvJ24NzNspKQzSex58sbkTICB8yvngJPXHzbpzk qCYRJhrMjDf1sqFYgSbZcVqTl4WtjKE7CF6Im1aKKa4rBWYwHFoawSitha7OA8sBxW1r MNp/livbqzt9HPxau+uNwXYuNIRKKQGNtWzbmGrpQfvtId3AZF9XlliNfbvvGwouubeE n4XHzynT/2YJNyZy+4GqPBzfDW6S9i/bp4hlGlvSDa79ckkWDwvBIgkkZ688QtkAInph Q0Lw== X-Gm-Message-State: APjAAAVqSl200VXrOIy+wv86BIPAIhUPBpQG27fwZQFyGpYflGS/qwd7 UEzRB1hWYswwgWfOpCv/z2s= X-Google-Smtp-Source: APXvYqxwTk/Fq6axi9N+BbOMaeI4oTfkGCGHgcpIOzd38CM7C5g7j9k2yvahCuvCEdO4pMIqBODmVA== X-Received: by 2002:a63:5a0a:: with SMTP id o10mr4962990pgb.282.1561656865138; Thu, 27 Jun 2019 10:34:25 -0700 (PDT) Received: from hfq-skylake.ipads-lab.se.sjtu.edu.cn ([202.120.40.82]) by smtp.googlemail.com with ESMTPSA id 201sm7437093pfz.24.2019.06.27.10.34.23 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 27 Jun 2019 10:34:24 -0700 (PDT) From: Fuqian Huang Cc: Fuqian Huang , Jens Axboe , linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 05/87] ata: sata_nv: Remove call to memset after dmam_alloc_coherent Date: Fri, 28 Jun 2019 01:34:18 +0800 Message-Id: <20190627173418.2089-1-huangfq.daxian@gmail.com> X-Mailer: git-send-email 2.11.0 To: unlisted-recipients:; (no To-header on input) Sender: linux-ide-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ide@vger.kernel.org In commit af7ddd8a627c ("Merge tag 'dma-mapping-4.21' of git://git.infradead.org/users/hch/dma-mapping"), dmam_alloc_coherent has already zeroed the memory. So memset is not needed. Signed-off-by: Fuqian Huang --- drivers/ata/sata_nv.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c index 54bfab15c74a..b44b4b64354c 100644 --- a/drivers/ata/sata_nv.c +++ b/drivers/ata/sata_nv.c @@ -1136,7 +1136,6 @@ static int nv_adma_port_start(struct ata_port *ap) &mem_dma, GFP_KERNEL); if (!mem) return -ENOMEM; - memset(mem, 0, NV_ADMA_PORT_PRIV_DMA_SZ); /* * First item in chunk of DMA memory: @@ -1946,7 +1945,6 @@ static int nv_swncq_port_start(struct ata_port *ap) &pp->prd_dma, GFP_KERNEL); if (!pp->prd) return -ENOMEM; - memset(pp->prd, 0, ATA_PRD_TBL_SZ * ATA_MAX_QUEUE); ap->private_data = pp; pp->sactive_block = ap->ioaddr.scr_addr + 4 * SCR_ACTIVE; -- 2.11.0