From patchwork Fri May 7 09:56:57 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Li X-Patchwork-Id: 432658 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, UNPARSEABLE_RELAY, USER_AGENT_GIT autolearn=ham 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 2610BC433ED for ; Fri, 7 May 2021 09:57:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E1C3D613D6 for ; Fri, 7 May 2021 09:57:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229621AbhEGJ6D (ORCPT ); Fri, 7 May 2021 05:58:03 -0400 Received: from out30-56.freemail.mail.aliyun.com ([115.124.30.56]:57219 "EHLO out30-56.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229492AbhEGJ6C (ORCPT ); Fri, 7 May 2021 05:58:02 -0400 X-Alimail-AntiSpam: AC=PASS; BC=-1|-1; BR=01201311R211e4; CH=green; DM=||false|; DS=||; FP=0|-1|-1|-1|0|-1|-1|-1; HT=e01e04400; MF=yang.lee@linux.alibaba.com; NM=1; PH=DS; RN=8; SR=0; TI=SMTPD_---0UY2dZi5_1620381419; Received: from j63c13417.sqa.eu95.tbsite.net(mailfrom:yang.lee@linux.alibaba.com fp:SMTPD_---0UY2dZi5_1620381419) by smtp.aliyun-inc.com(127.0.0.1); Fri, 07 May 2021 17:57:00 +0800 From: Yang Li To: herbert@gondor.apana.org.au Cc: davem@davemloft.net, nathan@kernel.org, ndesaulniers@google.com, linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, clang-built-linux@googlegroups.com, Yang Li Subject: [PATCH] crypto: cavium/nitrox - Remove redundant initialization of 'sg' Date: Fri, 7 May 2021 17:56:57 +0800 Message-Id: <1620381417-44442-1-git-send-email-yang.lee@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org Pointer 'sg' is being initialized however this value is never read as 'sg' is assigned a same value in for_each_sg(). Remove the redundant assignment. Cleans up clang warning: drivers/crypto/cavium/nitrox/nitrox_reqmgr.c:161:22: warning: Value stored to 'sg' during its initialization is never read [clang-analyzer-deadcode.DeadStores] Reported-by: Abaci Robot Signed-off-by: Yang Li --- drivers/crypto/cavium/nitrox/nitrox_reqmgr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/crypto/cavium/nitrox/nitrox_reqmgr.c b/drivers/crypto/cavium/nitrox/nitrox_reqmgr.c index df95ba2..bc35d4c 100644 --- a/drivers/crypto/cavium/nitrox/nitrox_reqmgr.c +++ b/drivers/crypto/cavium/nitrox/nitrox_reqmgr.c @@ -159,7 +159,7 @@ static int dma_map_inbufs(struct nitrox_softreq *sr, struct se_crypto_request *req) { struct device *dev = DEV(sr->ndev); - struct scatterlist *sg = req->src; + struct scatterlist *sg; int i, nents, ret = 0; nents = dma_map_sg(dev, req->src, sg_nents(req->src),