tree 38375e1e1b12f11af1e7baefdd349a207512e625
parent 5389e916c3b64c3dd249018dfaf983e2e3a06c6f
author Andrzej Hajda <a.hajda@samsung.com> 1442842415 +0200
committer Daniel Vetter <daniel.vetter@ffwll.ch> 1442934652 +0200

drm/i915: fix handling gen8_emit_flush_coherentl3_wa result

The function can return negative value.

The problem has been detected using proposed semantic patch
scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci [1].

[1]: http://permalink.gmane.org/gmane.linux.kernel/2038576

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>