From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753360Ab2JAKdE (ORCPT ); Mon, 1 Oct 2012 06:33:04 -0400 Received: from cpsmtpb-ews02.kpnxchange.com ([213.75.39.5]:4474 "EHLO cpsmtpb-ews02.kpnxchange.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753304Ab2JAKc7 (ORCPT ); Mon, 1 Oct 2012 06:32:59 -0400 Message-ID: <1349087577.24442.21.camel@x61.thuisdomein> Subject: Re: [PATCH] regmap: silence GCC warning From: Paul Bolle To: Mark Brown Cc: Greg Kroah-Hartman , linux-kernel@vger.kernel.org Date: Mon, 01 Oct 2012 12:32:57 +0200 In-Reply-To: <20121001101859.GC4360@opensource.wolfsonmicro.com> References: <1349000155.1553.27.camel@x61.thuisdomein> <20121001100321.GB4360@opensource.wolfsonmicro.com> <1349086606.24442.13.camel@x61.thuisdomein> <20121001101859.GC4360@opensource.wolfsonmicro.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.4.4 (3.4.4-2.fc17) Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 01 Oct 2012 10:32:57.0672 (UTC) FILETIME=[1F9FDC80:01CD9FC0] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 2012-10-01 at 11:19 +0100, Mark Brown wrote: > I haven't actually stared hard enough at the code to figure this out > yet but given what you're changing I'd hope it's a flow analysis bug. > I'm certainly not seeing a warning here. Well, you may be using another version of gcc, or using different defaults. I'm using gcc-4.7.2-2.fc17.x86_64 (ie, the gcc currently shipped in Fedora 17 for x86_64), in what I think to be default settings. Note that it's not some local oddity. Looking at the (currently) latest log for a Fedora build of v3.6-rc7 you'll find an identical warning [0]. Apparently that build was done with gcc-4.7.1-5.fc18.x86_64 [1]. Paul Bolle [0] http://kojipkgs.fedoraproject.org/packages/kernel/3.6.0/0.rc7.git2.2.fc18/data/logs/x86_64/build.log [1] http://kojipkgs.fedoraproject.org/packages/kernel/3.6.0/0.rc7.git2.2.fc18/data/logs/x86_64/root.log