[PATCH] drm/gma500: fix double freeing

[Sudip Mukherjee]

On Wed, Sep 09, 2015 at 06:20:40PM +0530, Sudip Mukherjee wrote:
> If backing->stolen is true then we were freeing backing by calling
> psb_gtt_free_range() but we called it again after unlocking the mutex.
> Lets make it NULL after freeing in psb_gtt_free_range() and check for
> NULL before calling the function for the second time.
> 
> Signed-off-by: Sudip Mukherjee <sudip at vectorindia.org>
> ---
Hi Patrik,
A gentle ping.

regards
sudip