linux-kernel - Re: [PATCH] drm/i915: Fix object refcount leak on mmappable size limit error path.

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Date:	Mon, 31 Oct 2011 23:58:25 -0700
From:	Keith Packard <keithp@...thp.com>
To:	Eric Anholt <eric@...olt.net>, linux-kernel@...r.kernel.org
Cc:	Eric Anholt <eric@...olt.net>, stable@...nel.org
Subject: Re: [PATCH] drm/i915: Fix object refcount leak on mmappable size limit error path.

On Mon, 31 Oct 2011 23:16:21 -0700, Eric Anholt <eric@...olt.net> wrote:

> I've been seeing memory leaks on my system in the form of large
> (300-400MB) GEM objects created by now-dead processes laying around
> clogging up memory.  I usually notice when it gets to about 1.2GB of
> them.  Hopefully this clears up the issue, but I just found this bug
> by inspection.
> 
> Signed-off-by: Eric Anholt <eric@...olt.net>
> Cc: stable@...nel.org

Reviewed-by: Keith Packard <keithp@...thp.com

I wouldn't mind having someone audit the driver for more places where
drm_gem_object_lookup might not be paired with drm_gem_object_unreference...

-- 
keith.packard@...el.com

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