drm/i915/gtt: Don't leak scratch page on mapping error

Free the scratch page if dma mapping fails.

Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Mika Kuoppala 2015-05-22 20:04:58 +03:00 • committed by Daniel Vetter
commit ea3f5d261f