From patchwork Tue Apr 27 10:30:56 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiapeng Chong X-Patchwork-Id: 429170 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 6F9EBC433B4 for ; Tue, 27 Apr 2021 10:32:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 44DED611ED for ; Tue, 27 Apr 2021 10:32:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238478AbhD0KdI (ORCPT ); Tue, 27 Apr 2021 06:33:08 -0400 Received: from out30-42.freemail.mail.aliyun.com ([115.124.30.42]:56828 "EHLO out30-42.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238205AbhD0Kbs (ORCPT ); Tue, 27 Apr 2021 06:31:48 -0400 X-Alimail-AntiSpam: AC=PASS; BC=-1|-1; BR=01201311R341e4; CH=green; DM=||false|; DS=||; FP=0|-1|-1|-1|0|-1|-1|-1; HT=e01e04426; MF=jiapeng.chong@linux.alibaba.com; NM=1; PH=DS; RN=5; SR=0; TI=SMTPD_---0UWzF2Oi_1619519460; Received: from j63c13417.sqa.eu95.tbsite.net(mailfrom:jiapeng.chong@linux.alibaba.com fp:SMTPD_---0UWzF2Oi_1619519460) by smtp.aliyun-inc.com(127.0.0.1); Tue, 27 Apr 2021 18:31:03 +0800 From: Jiapeng Chong To: davem@davemloft.net Cc: kuba@kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Jiapeng Chong Subject: [PATCH] mpls: Remove redundant assignment to err Date: Tue, 27 Apr 2021 18:30:56 +0800 Message-Id: <1619519456-61310-1-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 err is set to -ENOMEM but this value is never read as it is overwritten with a new value later on, hence it is a redundant assignment and can be removed. Cleans up the following clang-analyzer warning: net/mpls/af_mpls.c:1022:2: warning: Value stored to 'err' is never read [clang-analyzer-deadcode.DeadStores]. Reported-by: Abaci Robot Signed-off-by: Jiapeng Chong --- net/mpls/af_mpls.c | 1 - 1 file changed, 1 deletion(-) diff --git a/net/mpls/af_mpls.c b/net/mpls/af_mpls.c index 47bab70..05a21dd 100644 --- a/net/mpls/af_mpls.c +++ b/net/mpls/af_mpls.c @@ -1019,7 +1019,6 @@ static int mpls_route_add(struct mpls_route_config *cfg, goto errout; } - err = -ENOMEM; rt = mpls_rt_alloc(nhs, max_via_alen, max_labels); if (IS_ERR(rt)) { err = PTR_ERR(rt);