From patchwork Fri May 7 10:15:54 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiapeng Chong X-Patchwork-Id: 432469 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 25819C433B4 for ; Fri, 7 May 2021 10:16:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EF65E61448 for ; Fri, 7 May 2021 10:16:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235883AbhEGKR0 (ORCPT ); Fri, 7 May 2021 06:17:26 -0400 Received: from out30-57.freemail.mail.aliyun.com ([115.124.30.57]:36333 "EHLO out30-57.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229812AbhEGKRR (ORCPT ); Fri, 7 May 2021 06:17:17 -0400 X-Alimail-AntiSpam: AC=PASS; BC=-1|-1; BR=01201311R111e4; CH=green; DM=||false|; DS=||; FP=0|-1|-1|-1|0|-1|-1|-1; HT=e01e04400; MF=jiapeng.chong@linux.alibaba.com; NM=1; PH=DS; RN=16; SR=0; TI=SMTPD_---0UY2dchp_1620382555; Received: from j63c13417.sqa.eu95.tbsite.net(mailfrom:jiapeng.chong@linux.alibaba.com fp:SMTPD_---0UY2dchp_1620382555) by smtp.aliyun-inc.com(127.0.0.1); Fri, 07 May 2021 18:16:14 +0800 From: Jiapeng Chong To: mcgrof@kernel.org Cc: keescook@chromium.org, yzaikin@google.com, ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, kafai@fb.com, songliubraving@fb.com, yhs@fb.com, john.fastabend@gmail.com, kpsingh@kernel.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, netdev@vger.kernel.org, bpf@vger.kernel.org, Jiapeng Chong Subject: [PATCH] sysctl: Remove redundant assignment to first Date: Fri, 7 May 2021 18:15:54 +0800 Message-Id: <1620382554-62511-1-git-send-email-jiapeng.chong@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Variable first is set to '0', but this value is never read as it is not used later on, hence it is a redundant assignment and can be removed. Clean up the following clang-analyzer warning: kernel/sysctl.c:1562:4: warning: Value stored to 'first' is never read [clang-analyzer-deadcode.DeadStores]. Reported-by: Abaci Robot Signed-off-by: Jiapeng Chong --- kernel/sysctl.c | 1 - 1 file changed, 1 deletion(-) diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 14edf84..58beeba 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -1559,7 +1559,6 @@ int proc_do_large_bitmap(struct ctl_table *table, int write, } bitmap_set(tmp_bitmap, val_a, val_b - val_a + 1); - first = 0; proc_skip_char(&p, &left, '\n'); } left += skipped;