From patchwork Thu Apr 29 10:50:56 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Li X-Patchwork-Id: 429670 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 18267C433B4 for ; Thu, 29 Apr 2021 10:51:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C935561409 for ; Thu, 29 Apr 2021 10:51:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240488AbhD2Kvu (ORCPT ); Thu, 29 Apr 2021 06:51:50 -0400 Received: from out30-45.freemail.mail.aliyun.com ([115.124.30.45]:58827 "EHLO out30-45.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233114AbhD2Kvs (ORCPT ); Thu, 29 Apr 2021 06:51:48 -0400 X-Alimail-AntiSpam: AC=PASS; BC=-1|-1; BR=01201311R181e4; CH=green; DM=||false|; DS=||; FP=0|-1|-1|-1|0|-1|-1|-1; HT=e01e04420; MF=yang.lee@linux.alibaba.com; NM=1; PH=DS; RN=10; SR=0; TI=SMTPD_---0UXALFKR_1619693458; Received: from j63c13417.sqa.eu95.tbsite.net(mailfrom:yang.lee@linux.alibaba.com fp:SMTPD_---0UXALFKR_1619693458) by smtp.aliyun-inc.com(127.0.0.1); Thu, 29 Apr 2021 18:50:59 +0800 From: Yang Li To: dhowells@redhat.com Cc: davem@davemloft.net, kuba@kernel.org, nathan@kernel.org, ndesaulniers@google.com, linux-afs@lists.infradead.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, clang-built-linux@googlegroups.com, Yang Li Subject: [PATCH] net: rxrpc: Remove redundant assignment to ret Date: Thu, 29 Apr 2021 18:50:56 +0800 Message-Id: <1619693456-111530-1-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 Variable 'ret' is set to -EOPNOTSUPP 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. Clean up the following clang-analyzer warning: net/rxrpc/af_rxrpc.c:602:2: warning: Value stored to 'ret' is never read [clang-analyzer-deadcode.DeadStores] Signed-off-by: Yang Li --- net/rxrpc/af_rxrpc.c | 1 - 1 file changed, 1 deletion(-) diff --git a/net/rxrpc/af_rxrpc.c b/net/rxrpc/af_rxrpc.c index 41671af..f2d81c5 100644 --- a/net/rxrpc/af_rxrpc.c +++ b/net/rxrpc/af_rxrpc.c @@ -599,7 +599,6 @@ static int rxrpc_setsockopt(struct socket *sock, int level, int optname, _enter(",%d,%d,,%d", level, optname, optlen); lock_sock(&rx->sk); - ret = -EOPNOTSUPP; if (level == SOL_RXRPC) { switch (optname) {