From patchwork Mon Nov 2 12:16:15 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Colin King X-Patchwork-Id: 315811 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=-12.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, 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 4ECA7C388F2 for ; Mon, 2 Nov 2020 12:16:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F051C223B0 for ; Mon, 2 Nov 2020 12:16:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728717AbgKBMQU (ORCPT ); Mon, 2 Nov 2020 07:16:20 -0500 Received: from youngberry.canonical.com ([91.189.89.112]:46600 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728484AbgKBMQU (ORCPT ); Mon, 2 Nov 2020 07:16:20 -0500 Received: from 1.general.cking.uk.vpn ([10.172.193.212] helo=localhost) by youngberry.canonical.com with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.86_2) (envelope-from ) id 1kZYkx-0000OA-Fi; Mon, 02 Nov 2020 12:16:15 +0000 From: Colin King To: "David S . Miller" , Jakub Kicinski , netdev@vger.kernel.org Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] net: dev_ioctl: remove redundant initialization of variable err Date: Mon, 2 Nov 2020 12:16:15 +0000 Message-Id: <20201102121615.695196-1-colin.king@canonical.com> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Colin Ian King The variable err is being initialized with a value that is never read and it is being updated later with a new value. The initialization is redundant and can be removed. Addresses-Coverity: ("Unused value") Signed-off-by: Colin Ian King --- net/core/dev_ioctl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/core/dev_ioctl.c b/net/core/dev_ioctl.c index 205e92e604ef..db8a0ff86f36 100644 --- a/net/core/dev_ioctl.c +++ b/net/core/dev_ioctl.c @@ -230,7 +230,7 @@ static int dev_do_ioctl(struct net_device *dev, struct ifreq *ifr, unsigned int cmd) { const struct net_device_ops *ops = dev->netdev_ops; - int err = -EOPNOTSUPP; + int err; err = dsa_ndo_do_ioctl(dev, ifr, cmd); if (err == 0 || err != -EOPNOTSUPP)