public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: Jiri Kosina <jkosina@suse.cz>
To: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: iceberg <strakh@ispras.ru>, Vojtech Pavlik <vojtech@suse.cz>,
	Linux Kernlel Mailing List <linux-kernel@vger.kernel.org>,
	linux-input@vger.kernel.org
Subject: Re: [BUG] ati_remote2.c: possible mutex_lock without mutex_unlock
Date: Wed, 14 Oct 2009 09:16:31 +0200 (CEST)	[thread overview]
Message-ID: <alpine.LSU.2.00.0910140915440.8582@wotan.suse.de> (raw)
In-Reply-To: <20091014071428.GA5318@core.coreip.homeip.net>

On Wed, 14 Oct 2009, Dmitry Torokhov wrote:

> > > From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
> > > 
> > > input_devices_seq_start() uses mutex_lock_interruptible() to acquire
> > > the input_mutex, but doesn't properly handle the situation when the
> > > call fails (for example due to interrupt). Instead of returning NULL
> > > (which indicates that there is no more data) we should return
> > > ERR_PTR()-encoded error.
> > > 
> > > We also need explicit flag indicating whether input_mutex was acquired
> > > since input_devices_seq_stop() is called whether input_devices_seq_start()
> > > was successful or not.
> > > 
> > > The same applies to input_handlers_seq_start().
> > > 
> > > Reported-by: iceberg <strakh@ispras.ru>
> > > Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
> > 
> > Yup, looks OK to me.
> 
> Putting you as "Reviewed-by.." then, OK?

Sure, feel free to do that.

Thanks,

-- 
Jiri Kosina
SUSE Labs, Novell Inc.

      reply	other threads:[~2009-10-14  7:17 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-10-13 17:52 [BUG] ati_remote2.c: possible mutex_lock without mutex_unlock iceberg
2009-10-13 15:43 ` Jiri Kosina
2009-10-14  6:29   ` Dmitry Torokhov
2009-10-14  7:11     ` Jiri Kosina
2009-10-14  7:14       ` Dmitry Torokhov
2009-10-14  7:16         ` Jiri Kosina [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=alpine.LSU.2.00.0910140915440.8582@wotan.suse.de \
    --to=jkosina@suse.cz \
    --cc=dmitry.torokhov@gmail.com \
    --cc=linux-input@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=strakh@ispras.ru \
    --cc=vojtech@suse.cz \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox