From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jarod Wilson Subject: Re: [PATCH] input: imon driver for SoundGraph iMON/Antec Veris IR devices Date: Tue, 29 Dec 2009 13:12:40 -0500 Message-ID: <4B3A4698.4080705@wilsonet.com> References: <20091228051155.GA14301@redhat.com> <20091229164856.GA29476@bicker> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20091229164856.GA29476@bicker> Sender: linux-kernel-owner@vger.kernel.org To: Dan Carpenter , Jarod Wilson , linux-input@vger.kernel.org, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-input@vger.kernel.org On 12/29/2009 12:01 PM, Dan Carpenter wrote: > > I ran smatch (http://repo.or.cz/w/smatch.git) on it and there are > some bugs worth fixing. > > drivers/input/misc/imon.c +331 free_imon_context(7) error: dereferencing freed memory 'context' > Move the debug line earlier. > > drivers/input/misc/imon.c +1812 imon_probe(216) error: dereferencing undefined: 'context->idev' > drivers/input/misc/imon.c +1876 imon_probe(280) error: dereferencing undefined: 'context->touch' > The allocation func can return NULL. They probably won't fail in real > life, but it will slightly annoy every person checking running smatch > over the entire kernel (me). > > drivers/input/misc/imon.c +1979 imon_probe(383) error: double unlock 'mutex:&context->lock' > drivers/input/misc/imon.c +1983 imon_probe(387) error: double unlock 'mutex:&context->lock' > It sometimes unlocks both before and after the goto. Yeah, I think I've actually already fixed every one of these problems in the past 24 hours (a few just a few minutes ago), stay tuned for a repost, hopefully later today. :) Thanks much, -- Jarod Wilson jarod@wilsonet.com