From patchwork Thu Jun 27 17:46:05 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fuqian Huang X-Patchwork-Id: 11020231 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A789914C0 for ; Thu, 27 Jun 2019 17:46:17 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9A5432859F for ; Thu, 27 Jun 2019 17:46:17 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8EC16285A6; Thu, 27 Jun 2019 17:46:17 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.2 required=2.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI, RCVD_IN_SORBS_WEB autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 36D472859F for ; Thu, 27 Jun 2019 17:46:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727401AbfF0RqM (ORCPT ); Thu, 27 Jun 2019 13:46:12 -0400 Received: from mail-pl1-f193.google.com ([209.85.214.193]:39776 "EHLO mail-pl1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727163AbfF0RqL (ORCPT ); Thu, 27 Jun 2019 13:46:11 -0400 Received: by mail-pl1-f193.google.com with SMTP id b7so1680248pls.6; Thu, 27 Jun 2019 10:46:11 -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=7g1HWYlZ9UColNnnK/hHjFh9Cp1pGHshvxgfYaG8qpE=; b=TAn9BeEBKkVQ/C2A+9fyNmSVI+kx7ZQTFKBiBGFa3jK9TegCwmJRrE3jXDCDYumqXs gedeYJTtUtjZU9RSuKAWZrfhXFqp9UewwLJOEVsoYriiGL7u+HlhYNJwhnz4Oe4M+R6u tkX1vylyK0epoPY+fUCbVlF0x51C8wO2BYmo1kIAow95Gdh9LQwM7qGudNLQE6k9o/gO lRXBPdfnpA88ZGYiaRipzGY8OIt0ZHTwcgfN0OR9/NsIAY2C3CMXagQK7ZV6Y6+itPlb W2alwl51ARR+dvvnzkunF+QdIlkSUiF9D8PrGt63q/D+MDff380OalPUwkZhdaUWmHso s1dA== 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=7g1HWYlZ9UColNnnK/hHjFh9Cp1pGHshvxgfYaG8qpE=; b=Y0MmHLFOZeodqTpPQpaxFyyD6Xuobm7qrcwUi+spVBccdasEFzOndeGLbkrFF2qQC9 8zNbmZjliNmyc2YWq6CiMwvtEDQglTQrg4bdKK0z0C7vZAXlFmd8hHSJitXjUiq1QiIy 23qnbwArOjJmC6jrLyEh/iV5UtIZb1JW/GBVs+aAZJF625Q23Xdc0/FXDM/8wsDQP14K P671azlhNF3q4P3s9u3B9gA7fm6IqW17mI4TmGKPaGeQE4Wxa94Y91tmdvxB8jHNC4Ca UBwKMn8SU1L8a2pnMzTOwGwTDHwEVKTBCGqV3B074Vzv7cpLF40CzM0sJTumQFScrdBS wIpg== X-Gm-Message-State: APjAAAWFbc3n9mMgersAx/87h0nHGam8ggD1J42I72oxq2zihNYhwbAN DIkxJjxOGWhP1gr7zpQ+78E= X-Google-Smtp-Source: APXvYqw60Qomuysypn5jg3MoT4g+odVyVsYA8hzALKg4lqorUTTWcAW8ZSybIQa9SXqt2kske6H7xQ== X-Received: by 2002:a17:902:903:: with SMTP id 3mr6116213plm.281.1561657570934; Thu, 27 Jun 2019 10:46:10 -0700 (PDT) Received: from hfq-skylake.ipads-lab.se.sjtu.edu.cn ([202.120.40.82]) by smtp.googlemail.com with ESMTPSA id a21sm5015976pgd.45.2019.06.27.10.46.08 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 27 Jun 2019 10:46:10 -0700 (PDT) From: Fuqian Huang Cc: Fuqian Huang , Adaptec OEM Raid Solutions , "James E.J. Bottomley" , "Martin K. Petersen" , linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 70/87] scsi: aacraid: remove memset after dma_alloc_coherent in rx.c Date: Fri, 28 Jun 2019 01:46:05 +0800 Message-Id: <20190627174605.6260-1-huangfq.daxian@gmail.com> X-Mailer: git-send-email 2.11.0 To: unlisted-recipients:; (no To-header on input) Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP In commit af7ddd8a627c ("Merge tag 'dma-mapping-4.21' of git://git.infradead.org/users/hch/dma-mapping"), dma_alloc_coherent has already zeroed the memory. So memset is not needed. Signed-off-by: Fuqian Huang --- drivers/scsi/aacraid/rx.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/scsi/aacraid/rx.c b/drivers/scsi/aacraid/rx.c index 3dea348bd25d..4d3484cbca26 100644 --- a/drivers/scsi/aacraid/rx.c +++ b/drivers/scsi/aacraid/rx.c @@ -353,7 +353,6 @@ static int aac_rx_check_health(struct aac_dev *dev) dma_free_coherent(&dev->pdev->dev, 512, buffer, baddr); return ret; } - memset(buffer, 0, 512); post->Post_Command = cpu_to_le32(COMMAND_POST_RESULTS); post->Post_Address = cpu_to_le32(baddr); rx_writel(dev, MUnit.IMRx[0], paddr);