From mboxrd@z Thu Jan 1 00:00:00 1970 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=unavailable 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 C6076C433B4 for ; Thu, 6 May 2021 11:01:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 97E2961177 for ; Thu, 6 May 2021 11:01:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234652AbhEFLB6 (ORCPT ); Thu, 6 May 2021 07:01:58 -0400 Received: from out30-43.freemail.mail.aliyun.com ([115.124.30.43]:57747 "EHLO out30-43.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234508AbhEFLBz (ORCPT ); Thu, 6 May 2021 07:01:55 -0400 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R311e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04394;MF=jiapeng.chong@linux.alibaba.com;NM=1;PH=DS;RN=5;SR=0;TI=SMTPD_---0UXxdEDe_1620298849; Received: from j63c13417.sqa.eu95.tbsite.net(mailfrom:jiapeng.chong@linux.alibaba.com fp:SMTPD_---0UXxdEDe_1620298849) by smtp.aliyun-inc.com(127.0.0.1); Thu, 06 May 2021 19:00:56 +0800 From: Jiapeng Chong To: dave.jiang@intel.com Cc: vkoul@kernel.org, dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, Jiapeng Chong Subject: [PATCH] dmaengine: idxd: Remove redundant variable cdev_ctx Date: Thu, 6 May 2021 19:00:47 +0800 Message-Id: <1620298847-33127-1-git-send-email-jiapeng.chong@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Variable cdev_ctx is set to '&ictx[wq->idxd->data->type]' but this value is not used, hence it is a redundant assignment and can be removed. Clean up the following clang-analyzer warning: drivers/dma/idxd/cdev.c:300:2: warning: Value stored to 'cdev_ctx' is never read [clang-analyzer-deadcode.DeadStores]. Reported-by: Abaci Robot Signed-off-by: Jiapeng Chong --- drivers/dma/idxd/cdev.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/dma/idxd/cdev.c b/drivers/dma/idxd/cdev.c index 302cba5..6c72089 100644 --- a/drivers/dma/idxd/cdev.c +++ b/drivers/dma/idxd/cdev.c @@ -295,9 +295,7 @@ int idxd_wq_add_cdev(struct idxd_wq *wq) void idxd_wq_del_cdev(struct idxd_wq *wq) { struct idxd_cdev *idxd_cdev; - struct idxd_cdev_context *cdev_ctx; - cdev_ctx = &ictx[wq->idxd->data->type]; idxd_cdev = wq->idxd_cdev; wq->idxd_cdev = NULL; cdev_device_del(&idxd_cdev->cdev, &idxd_cdev->dev); -- 1.8.3.1