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=-16.7 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 5963BC433ED for ; Thu, 29 Apr 2021 10:21:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1F8BA60E0B for ; Thu, 29 Apr 2021 10:21:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240330AbhD2KWT (ORCPT ); Thu, 29 Apr 2021 06:22:19 -0400 Received: from out30-130.freemail.mail.aliyun.com ([115.124.30.130]:59306 "EHLO out30-130.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237774AbhD2KWR (ORCPT ); Thu, 29 Apr 2021 06:22:17 -0400 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R481e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04420;MF=jiapeng.chong@linux.alibaba.com;NM=1;PH=DS;RN=7;SR=0;TI=SMTPD_---0UX9ogQY_1619691683; Received: from j63c13417.sqa.eu95.tbsite.net(mailfrom:jiapeng.chong@linux.alibaba.com fp:SMTPD_---0UX9ogQY_1619691683) by smtp.aliyun-inc.com(127.0.0.1); Thu, 29 Apr 2021 18:21:29 +0800 From: Jiapeng Chong To: kys@microsoft.com Cc: haiyangz@microsoft.com, sthemmin@microsoft.com, wei.liu@kernel.org, linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org, Jiapeng Chong Subject: [PATCH] hv_balloon: Remove redundant assignment to region_start Date: Thu, 29 Apr 2021 18:21:21 +0800 Message-Id: <1619691681-86256-1-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 region_start is set to pg_start but this value is never read as it is overwritten later on, hence it is a redundant assignment and can be removed. Cleans up the following clang-analyzer warning: drivers/hv/hv_balloon.c:1013:3: warning: Value stored to 'region_start' is never read [clang-analyzer-deadcode.DeadStores]. Reported-by: Abaci Robot Signed-off-by: Jiapeng Chong --- drivers/hv/hv_balloon.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c index 58af84e..7f11ea0 100644 --- a/drivers/hv/hv_balloon.c +++ b/drivers/hv/hv_balloon.c @@ -1010,7 +1010,6 @@ static void hot_add_req(struct work_struct *dummy) * that need to be hot-added while ensuring the alignment * and size requirements of Linux as it relates to hot-add. */ - region_start = pg_start; region_size = (pfn_cnt / HA_CHUNK) * HA_CHUNK; if (pfn_cnt % HA_CHUNK) region_size += HA_CHUNK; -- 1.8.3.1