From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752991Ab1AQIIS (ORCPT ); Mon, 17 Jan 2011 03:08:18 -0500 Received: from mx01.sz.bfs.de ([194.94.69.103]:23731 "EHLO mx01.sz.bfs.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752526Ab1AQIIR (ORCPT ); Mon, 17 Jan 2011 03:08:17 -0500 Message-ID: <4D33F8E7.5030900@bfs.de> Date: Mon, 17 Jan 2011 09:08:07 +0100 From: walter harms Reply-To: wharms@bfs.de User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; de; rv:1.9.1.14) Gecko/20101013 SUSE/3.0.9 Thunderbird/3.0.9 MIME-Version: 1.0 To: Dan Carpenter , "Nicholas A. Bellinger" , James Bottomley , linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, kernel-janitors@vger.kernel.org Subject: Re: [patch] [SCSI] target: dubious one-bit signed bitfield References: <20110115140445.GD2721@bicker> <4D31CCFB.1060504@bfs.de> <20110115165401.GE2721@bicker> In-Reply-To: <20110115165401.GE2721@bicker> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Am 15.01.2011 17:54, schrieb Dan Carpenter: > On Sat, Jan 15, 2011 at 05:36:11PM +0100, walter harms wrote: >> >> >> Am 15.01.2011 15:04, schrieb Dan Carpenter: >>> The signed one-bit types can be 0 or -1 which can cause a problem if >>> someone ever checks if (foo->lu_gp_assoc == 1). The current code is >>> fine because everyone just checks zero vs non-zero. But Sparse >>> complains about it so lets change it. The warnings look like this: >>> >> >> Your code looks ok, >> but to avoid that kind of errors it may be better to use int here. >> > > I'm afraid I don't understand what you are saying. > IMHO, it is better to just drop the bitfield. Most people expect int as return. re, wh