Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752128AbbKJEvo (ORCPT ); Mon, 9 Nov 2015 23:51:44 -0500 Received: from smtp.codeaurora.org ([198.145.29.96]:56134 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751107AbbKJEvl (ORCPT ); Mon, 9 Nov 2015 23:51:41 -0500 Subject: Re: [PATCH V2 2/3] scsi: fix compiler warning for sg To: Timur Tabi , Andy Shevchenko References: <1447034266-28003-1-git-send-email-okaya@codeaurora.org> <1447034266-28003-3-git-send-email-okaya@codeaurora.org> <564162AB.6080803@codeaurora.org> <564163F7.2020109@codeaurora.org> Cc: linux-scsi , cov@codeaurora.org, jcm@redhat.com, Andy Gross , linux-arm-msm@vger.kernel.org, linux-arm Mailing List , Doug Gilbert , "James E.J. Bottomley" , "linux-kernel@vger.kernel.org" From: Sinan Kaya Message-ID: <564177D7.7070103@codeaurora.org> Date: Mon, 9 Nov 2015 23:51:35 -0500 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: <564163F7.2020109@codeaurora.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1157 Lines: 33 On 11/9/2015 10:26 PM, Timur Tabi wrote: > Sinan Kaya wrote: >> >> I created this patch back in March with an older version of the compiler >> and older kernel (3.19). I'm no longer able to reproduce this with this >> compiler and linux-next. >> >> Thread model: posix >> gcc version 4.8.3 20140401 (prerelease) (crosstool-NG >> linaro-1.13.1-4.8-2014.04 - Linaro GCC 4.8-2014.04) >> >> I'll drop this patch. > > Are you sure the compiler handles the old macro correctly? Maybe it's > just quiescing the error message, but it's still broken? > The code says it is using these macros for small integers only which can't overflow. I was trying to get rid of compiler warning and it seems to have disappeared. -- Sinan Kaya Qualcomm Technologies, Inc. on behalf of Qualcomm Innovation Center, Inc. Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/