[PATCH] drm: Restore the NULL check for drm_gem_object_put()

[Chris Wilson]

Quoting Emil Velikov (2020-05-20 15:25:05)
> Reviewed-by: Emil Velikov <emil.velikov at collabora.com>
> 
> I'm half way through checking the callers and I've noticed a handful of bugs.
> Will send the series in due time, although your patch is a perfect
> intermediate solution.

Pushed the compromise patch. That should keep us all happy within our
own little bubbles for the moment. Have fun!
-Chris