Received: by 2002:a25:8b91:0:0:0:0:0 with SMTP id j17csp16944139ybl; Wed, 1 Jan 2020 17:50:25 -0800 (PST) X-Google-Smtp-Source: APXvYqzInO01Ea08sUpBGYqyX+L30RTB/Uag87z5xjwC2Nx4hi4fbYwGsBKhJyddLrJcXe5tq96Y X-Received: by 2002:a05:6830:1e1c:: with SMTP id s28mr39110953otr.335.1577929825275; Wed, 01 Jan 2020 17:50:25 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1577929825; cv=none; d=google.com; s=arc-20160816; b=gM9buOXUZOW0gTZAmodWemM1iiRYlbfWNro/hdGR/1wagr8Scm6eyzzj0ouj908Qay r6bZUeeJb+hyVOIg2FYHzWRwxnhSB9PCDR9u0sFF7TVoFjO/nSHfiqGJBIKFzJ1gT5+T GkkU6Swv42IgbKQlG0MsgmIL+U+v3ydz2PtXeTGTnvzfIQJJ/6RLxX7sBZcU3tTYuopb bpGKzqnj92Jc49RYJGpvgS7tD/gWEIFAJLp23uSPiGIPAlTf8ZYPbNaV6Z12wfVSEJuI 4+PTLNgSffiZ+kEF8BqeUQv9LwgW8TnRdMUpgytV3J0RqVK17H+cbauwU3Fsn26/w6V3 05zQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from; bh=qssCI990QHYyOMi1u3ZrAwcZZuLpDC70PXQstx5GdtA=; b=bJxSo/bOmJxG0DzRp/8oc/Pldq7or2n3pmAjdcp+eIs6YBn7ZcZQ3iERsYwVQI5J33 zv6w4qoBPCa86LB/QUlHGXZAZwhH91ezjAbsXk/NtRWD5RNn/0sMGQmpgI41ZMs2SJ7i bPbP0UvEvDIbQDPR01mDvUK6QazGd/IMtxvj+azAaMtdouCm1eMxonv4hSG29lUPeIyb xt9GxGGGKQ6Gzy07hAZgtxFY8YYpWyElZaheneg5gIdQb/AbXeRfrbJgPc29EavpFr/9 h9exFvPVcB6WAzJ/PVCG7JIG+JmHLywhXa51qxvDpcUWq+xnvQqgzb3D/qe6SiKZGCDN EwaA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id u3si26519419oif.167.2020.01.01.17.50.12; Wed, 01 Jan 2020 17:50:25 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727567AbgABBta (ORCPT + 99 others); Wed, 1 Jan 2020 20:49:30 -0500 Received: from szxga04-in.huawei.com ([45.249.212.190]:8656 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725895AbgABBt3 (ORCPT ); Wed, 1 Jan 2020 20:49:29 -0500 Received: from DGGEMS405-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id 0E475EF1EAB605045B9A; Thu, 2 Jan 2020 09:49:27 +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; Thu, 2 Jan 2020 09:49:18 +0800 From: Chen Zhou To: , , CC: , , Subject: [PATCH next] scsi: mpt3sas: remove call to memset after dma_alloc_coherent Date: Thu, 2 Jan 2020 09:45:26 +0800 Message-ID: <20200102014526.139275-1-chenzhou10@huawei.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII 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 Function dma_alloc_coherent use in ioc -> request already zeroes out memory, so memset is not needed. Signed-off-by: Chen Zhou --- drivers/scsi/mpt3sas/mpt3sas_base.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c index 45fd8df..663dd4d 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.c +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c @@ -5090,7 +5090,6 @@ _base_allocate_memory_pools(struct MPT3SAS_ADAPTER *ioc) _base_release_memory_pools(ioc); goto retry_allocation; } - memset(ioc->request, 0, sz); if (retry_sz) ioc_err(ioc, "request pool: dma_alloc_coherent succeed: hba_depth(%d), chains_per_io(%d), frame_sz(%d), total(%d kb)\n", -- 2.7.4