drm/i915: fix handling gen8_emit_flush_coherentl3_wa result

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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>

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Andrzej Hajda 2015-09-21 15:33:35 +02:00 • committed by Daniel Vetter

parent 5389e916c3

commit 604ef73468

1 changed files with 4 additions and 3 deletions

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7

drivers/gpu/drm/i915/intel_lrc.c

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