Received: by 2002:a05:6a10:22f:0:0:0:0 with SMTP id 15csp1414037pxk; Fri, 25 Sep 2020 14:15:25 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzxMBWLq5u5PchrJFFxckOMT84gjU1+caRuBWz8pJVd6NVAmluLko1safGaUNDWmGthqzy8 X-Received: by 2002:a17:906:fb84:: with SMTP id lr4mr4875462ejb.282.1601068525725; Fri, 25 Sep 2020 14:15:25 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1601068525; cv=none; d=google.com; s=arc-20160816; b=gpjAdCZBEi9rEv1Y861a1UiQFbxj/tfZyBFJTDypW8c06VmveOAdO7rMl5GedLNMJv s/b5+/iDdlKGNzKNsbZOs9HRMlD3nmThNGdk7EbKfqHBrezkjVo85Dz1EUE7QAiZDRv5 zf24QOYCDMXYGKnpeLmWjkqXlz+qcmm3V/pCKnULYmVzIE9nT5lnG1dygK/Lb6mVp2RS OS/imEAbJPVHq319vWYuApnVURHgcw2+ToGQjvhD9wm4ya6AIJXClkPJT7Cqx8aI2aNL at31QqL007oZ1jm+ZqbU3DQkagWh+ZHJyXo+Qm3mA9f2FZkQhT5vKFMoEkqxd2XXNwSB nd/g== 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:from:subject:cc:to:message-id:date; bh=2d3eaxYIUTrXmEvX0gj5hWSEKwjNfU6puKsEZYToxXY=; b=URDScAb/Qdk7WVwcFrSrVAmXFrTYLw7/yArSjp6adomwk5P1Er5r+hjzQ9fz4hN74m JygEstgzBGPofuCtgKByIKkxhUoE7gDzPOo07Ur4tR8iEVIgw9QrHSZ8nVoDF9KHlikb nblF5KpIFuvvJtGR7UWUws3+8N76/RzdKK474EYGhRoO4DbP9K/qWu+A9OpjR2TKsCjz InSZxYMGKo4iZ4910lDfew5eDtJxCFUgI7mWrJTRM7qf4pHv8XNvf63MN9wTYtYIiLI9 7rFlux3P8uNYgwcv4a8q10bwNSb/J/XgulVIXnfdGHQvhea9w20HNE4bci915YS+/0f8 6pXg== ARC-Authentication-Results: i=1; mx.google.com; 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 Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id e1si2644956edn.2.2020.09.25.14.15.03; Fri, 25 Sep 2020 14:15:25 -0700 (PDT) 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; 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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728051AbgIYVMf (ORCPT + 99 others); Fri, 25 Sep 2020 17:12:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60080 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726119AbgIYVMf (ORCPT ); Fri, 25 Sep 2020 17:12:35 -0400 Received: from shards.monkeyblade.net (shards.monkeyblade.net [IPv6:2620:137:e000::1:9]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9523EC0613CE; Fri, 25 Sep 2020 14:12:35 -0700 (PDT) Received: from localhost (unknown [IPv6:2601:601:9f00:477::3d5]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id 8CF1113B70158; Fri, 25 Sep 2020 13:55:47 -0700 (PDT) Date: Fri, 25 Sep 2020 14:12:34 -0700 (PDT) Message-Id: <20200925.141234.274433220362171981.davem@davemloft.net> To: f.fainelli@gmail.com Cc: netdev@vger.kernel.org, olteanv@gmail.com, vladimir.oltean@nxp.com, kuba@kernel.org, ap420073@gmail.com, edumazet@google.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH net-next v2] net: vlan: Avoid using BUG() in vlan_proto_idx() From: David Miller In-Reply-To: <20200925002746.79571-1-f.fainelli@gmail.com> References: <20200925002746.79571-1-f.fainelli@gmail.com> X-Mailer: Mew version 6.8 on Emacs 27.1 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [2620:137:e000::1:9]); Fri, 25 Sep 2020 13:55:47 -0700 (PDT) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Florian Fainelli Date: Thu, 24 Sep 2020 17:27:44 -0700 > While we should always make sure that we specify a valid VLAN protocol > to vlan_proto_idx(), killing the machine when an invalid value is > specified is too harsh and not helpful for debugging. All callers are > capable of dealing with an error returned by vlan_proto_idx() so check > the index value and propagate it accordingly. > > Signed-off-by: Florian Fainelli > --- > Changes in v2: > - changed signature to return int > - changed message to use ntohs() > - renamed an index variable to 'pidx' instead of 'pdix' Applied, thanks Florian.