From patchwork Thu Jun 27 17:43:27 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fuqian Huang X-Patchwork-Id: 11020199 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 0B09D13B4 for ; Thu, 27 Jun 2019 17:43:39 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id F22F7284C3 for ; Thu, 27 Jun 2019 17:43:38 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E694328565; Thu, 27 Jun 2019 17:43:38 +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 94C84284C3 for ; Thu, 27 Jun 2019 17:43:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727179AbfF0Rne (ORCPT ); Thu, 27 Jun 2019 13:43:34 -0400 Received: from mail-pl1-f195.google.com ([209.85.214.195]:46788 "EHLO mail-pl1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726561AbfF0Rne (ORCPT ); Thu, 27 Jun 2019 13:43:34 -0400 Received: by mail-pl1-f195.google.com with SMTP id e5so1658529pls.13; Thu, 27 Jun 2019 10:43:33 -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=fAB+02+QvXObdBU3H9Vv8v02eYyU6/qD4FmI+pFgbpQ=; b=NdJ9L/4MA8r0TUvSTrbAA/E6cr3Lz5zz4ZYuv3WZI69WHcxRMUqowmrsmipFUwMipj ZlGcxUeaDsJFfZCq8zp668yOF1nOzIjDFxAD7AnEvUPS+bcE7abtdOr610pkdWslj55P r8vmlCOlt3Hy2SklLat7JxFOYXbNkxO829b1H8dJ34qMRusZcXQ2oa+i9H0SDNoAz777 K819OgkMyTMlixqsC4bL9n+ETMSOASRDi54b9UMJ4PkwMSi4tIrMnmOo4XsWQlB1gG/7 +COP57H3QixVc9jctvFM97Kh45IewOuSKgkhiornN3ADcbnIXC411S2Jk6SBOiAWw1K+ tgnQ== 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=fAB+02+QvXObdBU3H9Vv8v02eYyU6/qD4FmI+pFgbpQ=; b=aF+f8hmE1+0zKEZrF3DxSFSBsNdG18SgBf1O0wFRUm4mUyehd4DQF62PRTnGd/Bixb vKsdr8S+2iViwqE7wTJzR4QMJz/97gsoab4hMkUy+NND5mj1gL8ESWEGpn8dN3xTDUIc IAhiA0vISgNzwyeYtWDyoqH82egGSyGIuN4cysblgbaAP+HbNb5CvYrcnmdwpNqsSXyB PlxFn/wJBSg2wQ5ffxU2GMjrAcJrYDzRgOO6L2pvDfThIIsfKTTkScEgeqnLTf5m03NN DKU5nwqAdSVqlTjXDpjk2ANwT94/gmHDMdgjg2TvkDBeUChL1UqMqQTsJwTw1+svHGJ9 HZhg== X-Gm-Message-State: APjAAAUPEOxYoVYOXWvKDLH9/b35xKKeyTbArvGsB8TMIALtcPCqpCpc pu6X6rvEqwRV0jh8cxeFmxU= X-Google-Smtp-Source: APXvYqwwzRSUIJQt4d88OFuNzY9HqOtIGplMC0nIbgKlnpgPmZP0Duj85iYCOzPXEF2GyHOuEkmoGg== X-Received: by 2002:a17:902:e40f:: with SMTP id ci15mr6014598plb.103.1561657413046; Thu, 27 Jun 2019 10:43:33 -0700 (PDT) Received: from hfq-skylake.ipads-lab.se.sjtu.edu.cn ([202.120.40.82]) by smtp.googlemail.com with ESMTPSA id p67sm7855370pfg.124.2019.06.27.10.43.31 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 27 Jun 2019 10:43:32 -0700 (PDT) From: Fuqian Huang Cc: Fuqian Huang , "James E.J. Bottomley" , "Martin K. Petersen" , linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 56/87] scsi: pmcraid: remove memset after dma_alloc_coherent Date: Fri, 28 Jun 2019 01:43:27 +0800 Message-Id: <20190627174327.5147-1-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/pmcraid.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c index ca22526aff7f..9e11e20d9e0d 100644 --- a/drivers/scsi/pmcraid.c +++ b/drivers/scsi/pmcraid.c @@ -4720,7 +4720,6 @@ static int pmcraid_allocate_host_rrqs(struct pmcraid_instance *pinstance) return -ENOMEM; } - memset(pinstance->hrrq_start[i], 0, buffer_size); pinstance->hrrq_curr[i] = pinstance->hrrq_start[i]; pinstance->hrrq_end[i] = pinstance->hrrq_start[i] + PMCRAID_MAX_CMD - 1;