We could see that state is defined as unsigned type, so it
should never be less than zero. Let' remove this check.
Signed-off-by: NShawn Lin <shawn.lin@rock-chips.com>
Reviewed-by: NChanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: NZhang Rui <rui.zhang@intel.com>