[Intel-gfx] [PATCH] backlight: Do not hang forever if helper pid is -1

[Chris Wilson]

On Wed, Apr 29, 2015 at 11:19:47AM +0200, Olivier Fourdan wrote:
> Backlight helper PID is set to -1 by default, if for some reason it's
> not set, we may end up with waitpid(-1, ...) which will hang forever.
> 
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=90230
> Signed-off-by: Olivier Fourdan <ofourdan at redhat.com>

Nice catch. Pushed with thanks,
   1a67dac..e7016d3  master -> master
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre