From nobody Sat Apr 18 05:48:46 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B1DB5C43334 for ; Sat, 16 Jul 2022 11:50:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230245AbiGPLuP (ORCPT ); Sat, 16 Jul 2022 07:50:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42158 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229472AbiGPLuM (ORCPT ); Sat, 16 Jul 2022 07:50:12 -0400 Received: from out30-43.freemail.mail.aliyun.com (out30-43.freemail.mail.aliyun.com [115.124.30.43]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 54F6421E18 for ; Sat, 16 Jul 2022 04:50:10 -0700 (PDT) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R201e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018046051;MF=liusong@linux.alibaba.com;NM=1;PH=DS;RN=6;SR=0;TI=SMTPD_---0VJUDiDf_1657972181; Received: from localhost(mailfrom:liusong@linux.alibaba.com fp:SMTPD_---0VJUDiDf_1657972181) by smtp.aliyun-inc.com; Sat, 16 Jul 2022 19:50:06 +0800 From: Liu Song To: kbusch@kernel.org, axboe@fb.com, hch@lst.de, sagi@grimberg.me Cc: linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] nvme-pci: remove useless assignment in nvme_pci_setup_prps Date: Sat, 16 Jul 2022 19:49:41 +0800 Message-Id: <1657972181-72398-1-git-send-email-liusong@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Liu Song If prp_list is NULL, nvme_unmap_sg will be performed, and the assignment to first_dma is meaningless, so remove it. Signed-off-by: Liu Song --- drivers/nvme/host/pci.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 193b447..3872e33 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -670,7 +670,6 @@ static blk_status_t nvme_pci_setup_prps(struct nvme_dev= *dev, =20 prp_list =3D dma_pool_alloc(pool, GFP_ATOMIC, &prp_dma); if (!prp_list) { - iod->first_dma =3D dma_addr; iod->npages =3D -1; return BLK_STS_RESOURCE; } --=20 1.8.3.1