From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mout.web.de ([212.227.15.4]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1YDGwN-0001ew-U4 for linux-mtd@lists.infradead.org; Mon, 19 Jan 2015 18:20:44 +0000 Message-ID: <54BD4AB6.70708@users.sourceforge.net> Date: Mon, 19 Jan 2015 19:19:34 +0100 From: SF Markus Elfring MIME-Version: 1.0 To: Brian Norris Subject: Re: [PATCH] MTD: Deletion of checks before the function call "iounmap" References: <530C5E18.1020800@users.sourceforge.net> <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> In-Reply-To: <20150119175835.GH9759@ld-irv-0074> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Cc: kernel-janitors@vger.kernel.org, LKML , Julia Lawall , Kyungmin Park , linux-mtd@lists.infradead.org, David Woodhouse List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , > 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. 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. > 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. Regards, Markus