From patchwork Mon Apr 26 10:10:49 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiapeng Chong X-Patchwork-Id: 12224109 X-Patchwork-Delegate: kuba@kernel.org 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 30463C433B4 for ; Mon, 26 Apr 2021 10:11:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E838B6135B for ; Mon, 26 Apr 2021 10:11:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232977AbhDZKLl (ORCPT ); Mon, 26 Apr 2021 06:11:41 -0400 Received: from out30-54.freemail.mail.aliyun.com ([115.124.30.54]:48872 "EHLO out30-54.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232178AbhDZKLj (ORCPT ); Mon, 26 Apr 2021 06:11:39 -0400 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R891e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e01424;MF=jiapeng.chong@linux.alibaba.com;NM=1;PH=DS;RN=5;SR=0;TI=SMTPD_---0UWpp.OX_1619431850; Received: from j63c13417.sqa.eu95.tbsite.net(mailfrom:jiapeng.chong@linux.alibaba.com fp:SMTPD_---0UWpp.OX_1619431850) by smtp.aliyun-inc.com(127.0.0.1); Mon, 26 Apr 2021 18:10:57 +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] caif: Remove redundant variable expectlen Date: Mon, 26 Apr 2021 18:10:49 +0800 Message-Id: <1619431849-85597-1-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 X-Patchwork-Delegate: kuba@kernel.org Variable expectlen is being assigned a value from a calculation however the variable is never read, so this redundant variable can be removed. Cleans up the following clang-analyzer warning: net/caif/cfserl.c:126:5: warning: Value stored to 'expectlen' is never read [clang-analyzer-deadcode.DeadStores]. Reported-by: Abaci Robot Signed-off-by: Jiapeng Chong --- net/caif/cfserl.c | 1 - 1 file changed, 1 deletion(-) diff --git a/net/caif/cfserl.c b/net/caif/cfserl.c index e11725a..fef72e6 100644 --- a/net/caif/cfserl.c +++ b/net/caif/cfserl.c @@ -123,7 +123,6 @@ static int cfserl_receive(struct cflayer *l, struct cfpkt *newpkt) if (pkt != NULL) cfpkt_destroy(pkt); layr->incomplete_frm = NULL; - expectlen = 0; spin_unlock(&layr->sync); return -EPROTO; }