From patchwork Fri Apr 30 09:26:45 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiapeng Chong X-Patchwork-Id: 12232865 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=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 7F34BC433ED for ; Fri, 30 Apr 2021 09:26:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 570C5613EA for ; Fri, 30 Apr 2021 09:26:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229553AbhD3J1m (ORCPT ); Fri, 30 Apr 2021 05:27:42 -0400 Received: from out30-133.freemail.mail.aliyun.com ([115.124.30.133]:46802 "EHLO out30-133.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229543AbhD3J1m (ORCPT ); Fri, 30 Apr 2021 05:27:42 -0400 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=e01e04420;MF=jiapeng.chong@linux.alibaba.com;NM=1;PH=DS;RN=5;SR=0;TI=SMTPD_---0UXFfKkM_1619774807; Received: from j63c13417.sqa.eu95.tbsite.net(mailfrom:jiapeng.chong@linux.alibaba.com fp:SMTPD_---0UXFfKkM_1619774807) by smtp.aliyun-inc.com(127.0.0.1); Fri, 30 Apr 2021 17:26:52 +0800 From: Jiapeng Chong To: efremov@linux.com Cc: axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, Jiapeng Chong Subject: [PATCH] floppy: Remove redundant assignment to nr_sectors Date: Fri, 30 Apr 2021 17:26:45 +0800 Message-Id: <1619774805-121562-1-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-block@vger.kernel.org Variable nr_sectors is set to zero but this value is never read as it is overwritten later on, hence it is a redundant assignment and can be removed. Clean up the following clang-analyzer warning: drivers/block/floppy.c:2333:2: warning: Value stored to 'nr_sectors' is never read [clang-analyzer-deadcode.DeadStores]. Reported-by: Abaci Robot Signed-off-by: Jiapeng Chong --- drivers/block/floppy.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 8a9d222..e96ad5b 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -2330,7 +2330,6 @@ static void rw_interrupt(void) if (!drive_state[current_drive].first_read_date) drive_state[current_drive].first_read_date = jiffies; - nr_sectors = 0; ssize = DIV_ROUND_UP(1 << raw_cmd->cmd[SIZECODE], 4); if (reply_buffer[ST1] & ST1_EOC)