From mboxrd@z Thu Jan 1 00:00:00 1970 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=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 01DD4C2B9F4 for ; Mon, 28 Jun 2021 15:19:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D6B5061492 for ; Mon, 28 Jun 2021 15:19:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237107AbhF1PTZ (ORCPT ); Mon, 28 Jun 2021 11:19:25 -0400 Received: from mail.kernel.org ([198.145.29.99]:59556 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236954AbhF1O42 (ORCPT ); Mon, 28 Jun 2021 10:56:28 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 23D9361456; Mon, 28 Jun 2021 14:40:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1624891214; bh=M1QyCXRvpSYSijtHHKzZN+F7q26OVf+B+7fL4VCMB3I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ujztl4NctlEcyVxmSn8lTPthmmZr40j/VBk2QSdeDgh/9xfNZzT6sNa1mY2Gw/8Mt rGmI1z5XGovvt3J08NyPtrSV8qwSF/XvU2gssZbbt51dnlqUX5hGi4FfE2pFJSnNMZ HqAaQwo1xACr60PYlEv2JjRESP/zRpYXlWLsBEIMGd90dNAud/G9nVYYffyXJgfysv P/Ac46aTJnJJTyrXDpRLcs21doJP+uKJ/HApDjeeMggkS5XspVnMUFg3m6cuH8AEFq mQu1g9bsQy0YfPy9oIEROdiCttYtkFmR0aZBND8CWEfj2ZGWnCfc5uNFkY4aPZrOxp Kg7h0Rg5k+MDw== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Jiapeng Chong , Abaci Robot , "David S . Miller" , Sasha Levin Subject: [PATCH 4.9 11/71] rtnetlink: Fix missing error code in rtnl_bridge_notify() Date: Mon, 28 Jun 2021 10:39:03 -0400 Message-Id: <20210628144003.34260-12-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210628144003.34260-1-sashal@kernel.org> References: <20210628144003.34260-1-sashal@kernel.org> MIME-Version: 1.0 X-KernelTest-Patch: http://kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.9.274-rc1.gz X-KernelTest-Tree: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git X-KernelTest-Branch: linux-4.9.y X-KernelTest-Patches: git://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git X-KernelTest-Version: 4.9.274-rc1 X-KernelTest-Deadline: 2021-06-30T14:39+00:00 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jiapeng Chong [ Upstream commit a8db57c1d285c758adc7fb43d6e2bad2554106e1 ] The error code is missing in this code scenario, add the error code '-EINVAL' to the return value 'err'. Eliminate the follow smatch warning: net/core/rtnetlink.c:4834 rtnl_bridge_notify() warn: missing error code 'err'. Reported-by: Abaci Robot Signed-off-by: Jiapeng Chong Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- net/core/rtnetlink.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index e652e376fb30..93de31ca3d65 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -3530,8 +3530,10 @@ static int rtnl_bridge_notify(struct net_device *dev) if (err < 0) goto errout; - if (!skb->len) + if (!skb->len) { + err = -EINVAL; goto errout; + } rtnl_notify(skb, net, 0, RTNLGRP_LINK, NULL, GFP_ATOMIC); return 0; -- 2.30.2