Received: by 2002:a05:6a10:af89:0:0:0:0 with SMTP id iu9csp1054421pxb; Fri, 21 Jan 2022 08:57:09 -0800 (PST) X-Google-Smtp-Source: ABdhPJyWXO19vN5MTIlH9YVKVg4HRlUK7h8eUwiNNqZLlHHlDZdK01K1b8EsPrHloA0PYgwrksAB X-Received: by 2002:a17:903:2342:b0:14a:e540:6c83 with SMTP id c2-20020a170903234200b0014ae5406c83mr4251492plh.69.1642784229490; Fri, 21 Jan 2022 08:57:09 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1642784229; cv=none; d=google.com; s=arc-20160816; b=VUKPI8pSNxao16OFh6/Xd3NkzR/6+SYWK2WiJ/m8oVCKebAbHJvw82j316sgVykmEQ Keqo+ZCeBtTwA55a6zxZE9qbgLE57gTv6I3wPfun/K/QrFIn7VxECfmeCUewqceQU6la FgKbCLncpi+t81Fb8xIr1tE+nrG1FSbben0kFolN+Uzd+cfNdbJwNW+Jf5+g7M/4cUF6 edVwFAetMgwek6WZbu5fmpNNDiMVPte+8sBSKW4tet2/tadqaPaqcZsEaZGR31Ioi1rX 54lZMcHn/KkDRI9uvGq439PN8cpDN50RyiotYtcsnCUNitbK+JzY8v+8EO5tvPvuTddd gviA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=6R4d6DNdMhT7VubSPtQNF7UbMoGlcSJRmj/aQMSIgOg=; b=U2yc8EooxQMUB6SSYp4xIqb+l4GYvrXgRFH5mDaVC4/04O8x2Ma4Gdy7lMdQsPQ35Z kF2aprdQW7m2XS4L5f8VI+hTnrBLl32a8sNa9Kq00iKVvBQLdDWFKpEkotIv89INVqDv g1ELZ5Wy+KQy8bVEHvQE4OtUBFfjFzeXKQoXsSYUw7/QYUYIeUf4Wx9O+oY153Qh3HhM dCS0vZ/vbJyGId11VtFdxjdMqdt9Y9CMOoyFBGnqJOvHIkDUByg0dyxM3PmIfm263geA Cw2W/6TZtAMxf6+eSmF6SpFacaYiPjyEyFvBAmEQXbKH5lzrjmM8nZ6HDI1bNsOTUpkI vR5Q== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20210112 header.b=XbSgMwxQ; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id 124si4869961pgg.761.2022.01.21.08.56.56; Fri, 21 Jan 2022 08:57:09 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20210112 header.b=XbSgMwxQ; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351619AbiASF4L (ORCPT + 99 others); Wed, 19 Jan 2022 00:56:11 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40486 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345127AbiASF4F (ORCPT ); Wed, 19 Jan 2022 00:56:05 -0500 Received: from mail-qt1-x82a.google.com (mail-qt1-x82a.google.com [IPv6:2607:f8b0:4864:20::82a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 225A2C061574; Tue, 18 Jan 2022 21:56:05 -0800 (PST) Received: by mail-qt1-x82a.google.com with SMTP id c19so1390414qtx.3; Tue, 18 Jan 2022 21:56:05 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=6R4d6DNdMhT7VubSPtQNF7UbMoGlcSJRmj/aQMSIgOg=; b=XbSgMwxQ/JgliwKitI2lva3GJaWaGxLmwHDbL3JmSoe0m+aRto+fYPb0t3FVMdQ9E9 mHMzvqrL4w3DLNN0xNb6Xcd5X8WYJq9+MNaoI/6i0POxeJO1IlM1BoHmw6glHGP13ZJq IvpRaH2AcEnHjJocKJ013oRR2TY4MalGkS2huGvrRAiaXu7qOSZJOZZY+eYw2U1k46J/ 12M77/Us/7UGdZf6ZSBNHI/lz8APFAlzNJymL6Sn63NaxqhKFw4kwAtrA3jvgn+1DUK2 RZLTVslSm1aoWndzmIxXpGy5xcrMUB0I6qH+tx0zbN9TJz2P+Y8b2tJrQM8wXte6MWGO uhsw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=6R4d6DNdMhT7VubSPtQNF7UbMoGlcSJRmj/aQMSIgOg=; b=lMQd3ihvBhMDIFbSWw3WQtwLUFHONLIvz4O0vHXxpg+K++0cmZrezlYHNoLCyJ840Q xbOtuEXQi+2rgXF3MhQXyqHRWYfwq/lOdp77c06aruMtbEj+Fr7nMePxXJbvozM9P06n gjJRtRHkhte9qgoi4FHSPx0Iv0W6IbC+/GKmL+fAg+SpQOAuEI/sxsSxAavzZoNJ+jWl R8pFOK6lfjYKqLn4FXMHvk1j7u5fKvYtMwn8bXIwZDR77zPAZEAlHeJyfs/hauyxFCmh V9Y0Qj7VueNqKyI4G6B4fQqMN/sITER4yke8qAmKZb6Uu8c8V+xWTnaRqqxnQU3Cop9N b3nQ== X-Gm-Message-State: AOAM533MT6CjV2JDUJRJd4Wsod+9O8ExpiV/DD8ZVv43Yi9uE0Q1joVi 523T+rRLK8f0sfjkRkhXNdc= X-Received: by 2002:a05:622a:60d:: with SMTP id z13mr23427409qta.399.1642571764236; Tue, 18 Jan 2022 21:56:04 -0800 (PST) Received: from localhost.localdomain ([193.203.214.57]) by smtp.gmail.com with ESMTPSA id t21sm1829376qta.41.2022.01.18.21.56.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 18 Jan 2022 21:56:03 -0800 (PST) From: cgel.zte@gmail.com X-Google-Original-From: chi.minghao@zte.com.cn To: kuba@kernel.org Cc: cgel.zte@gmail.com, chi.minghao@zte.com.cn, davem@davemloft.net, dsahern@gmail.com, dsahern@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org, zealci@zte.com.cn Subject: Re: [PATCH] net/ipv6: remove redundant err variable Date: Wed, 19 Jan 2022 05:55:57 +0000 Message-Id: <20220119055557.931265-1-chi.minghao@zte.com.cn> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220118192804.1032c172@kicinski-fedora-PC1C0HJN.hsd1.ca.comcast.net> References: <20220118192804.1032c172@kicinski-fedora-PC1C0HJN.hsd1.ca.comcast.net> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org There are more than 3,000 numbers retrieved by the rules I wrote. Of course, many of these 3,000 are false positives, and maybe there are 300 patches.I wrote this rule similar to returnvar.cocci.