From patchwork Sat May 8 10:03:05 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Li X-Patchwork-Id: 432804 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 61603C433B4 for ; Sat, 8 May 2021 10:03:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3CCE860FE9 for ; Sat, 8 May 2021 10:03:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229583AbhEHKEQ (ORCPT ); Sat, 8 May 2021 06:04:16 -0400 Received: from out30-131.freemail.mail.aliyun.com ([115.124.30.131]:54086 "EHLO out30-131.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229869AbhEHKEL (ORCPT ); Sat, 8 May 2021 06:04:11 -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=e01e04395; MF=yang.lee@linux.alibaba.com; NM=1; PH=DS; RN=8; SR=0; TI=SMTPD_---0UY8aQ.Z_1620468187; Received: from j63c13417.sqa.eu95.tbsite.net(mailfrom:yang.lee@linux.alibaba.com fp:SMTPD_---0UY8aQ.Z_1620468187) by smtp.aliyun-inc.com(127.0.0.1); Sat, 08 May 2021 18:03:08 +0800 From: Yang Li To: davem@davemloft.net Cc: kuba@kernel.org, nathan@kernel.org, ndesaulniers@google.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, clang-built-linux@googlegroups.com, Yang Li Subject: [PATCH] neighbour: Remove redundant initialization of 'bucket' Date: Sat, 8 May 2021 18:03:05 +0800 Message-Id: <1620468185-122101-1-git-send-email-yang.lee@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Integer variable 'bucket' is being initialized however this value is never read as 'bucket' is assigned zero in for statement. Remove the redundant assignment. Cleans up clang warning: net/core/neighbour.c:3144:6: warning: Value stored to 'bucket' during its initialization is never read [clang-analyzer-deadcode.DeadStores] Reported-by: Abaci Robot Signed-off-by: Yang Li --- net/core/neighbour.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/core/neighbour.c b/net/core/neighbour.c index 98f20efb..2b2f333 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -3141,7 +3141,7 @@ static struct pneigh_entry *pneigh_get_first(struct seq_file *seq) struct net *net = seq_file_net(seq); struct neigh_table *tbl = state->tbl; struct pneigh_entry *pn = NULL; - int bucket = state->bucket; + int bucket; state->flags |= NEIGH_SEQ_IS_PNEIGH; for (bucket = 0; bucket <= PNEIGH_HASHMASK; bucket++) {