From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752451AbbASSbE (ORCPT ); Mon, 19 Jan 2015 13:31:04 -0500 Received: from mail-pd0-f172.google.com ([209.85.192.172]:55013 "EHLO mail-pd0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752338AbbASSbB (ORCPT ); Mon, 19 Jan 2015 13:31:01 -0500 Date: Mon, 19 Jan 2015 10:30:57 -0800 From: Brian Norris To: SF Markus Elfring Cc: David Woodhouse , Kyungmin Park , linux-mtd@lists.infradead.org, LKML , kernel-janitors@vger.kernel.org, Julia Lawall Subject: Re: [PATCH] MTD: Deletion of checks before the function call "iounmap" Message-ID: <20150119183057.GI9759@ld-irv-0074> References: <530CD2C4.4050903@users.sourceforge.net> <530CF8FF.8080600@users.sourceforge.net> <530DD06F.4090703@users.sourceforge.net> <5317A59D.4@users.sourceforge.net> <54BBE87C.9020705@users.sourceforge.net> <20150119175835.GH9759@ld-irv-0074> <54BD4AB6.70708@users.sourceforge.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <54BD4AB6.70708@users.sourceforge.net> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jan 19, 2015 at 07:19:34PM +0100, SF Markus Elfring wrote: > > Anyway, I'm essentially saying that I'd like to be 100% sure we have a > > guarantee before dropping all these. > > You can not be absolutely sure. There are various implementation details > which will eventually need further considerations. Let's consider them first. We don't ship code that is missing the implementation details. (At least, we try not to!) > I hope that a reasonable confidence can be achieved here. > > > >> This issue was detected by using the Coccinelle software. > > > > What script? > > I published scripts for static source code analysis in March 2004. I didn't ask "when?"; where? > > Hand-rolled I guess? > > An extended version found some update candidates in source files for Linux > according to the software development status of "next-20141226". > > My approach is still incomplete at the moment. Then please complete it. Thanks, Brian