[Intel-gfx] [PATCH] drm/i915/selftests: Fix plain use of integer 0 as NULL

[Caz Yokoyama]

Reviewed-by: Caz Yokoyama <caz.yokoyama at intel.com>

On Fri, 2019-04-05 at 12:38 +0100, Tvrtko Ursulin wrote:
> i915_vma_instance