Author: Andrzej Hajda <a.hajda@samsung.com> 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 Reviewed-by: Jani Nikula Signed-off-by: Daniel Vetter — drivers/gpu/drm/i915/intel_lrc.c | 7 ++++— 1 file changed, 4 insertions(+), 3 deletions(-) diff –git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index fe06accb0..ff9a481 100644 — a/drivers/gpu/drm/i915/intel_lrc.c +++ …