[frank-w-bpi-r2-4.14:6.5-dango-r4_3 14417/14511] drivers/leds/trigger/ledtrig-timer.c:129:47: sparse: sparse: Using plain integer as NULL pointer

[frank-w-bpi-r2-4.14:6.5-dango-r4_3 14417/14511] drivers/leds/trigger/ledtrig-timer.c:129:47: sparse: sparse: Using plain integer as NULL pointer

[kernel test robot]

tree:   https://github.com/frank-w/BPI-R2-4.14 6.5-dango-r4_3
head:   bd334514d2acb4d7ae8675e52ad6faf9cd7e64b6
commit: 13d269136409558402f267abdb2729d34731f371 [14417/14511] led: trig: timer: stop offloading on deactivation
config: x86_64-randconfig-122-20230903 (https://download.01.org/0day-ci/archive/20230903/202309031543.Q8rbknbX-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230903/202309031543.Q8rbknbX-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202309031543.Q8rbknbX-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/leds/trigger/ledtrig-timer.c:129:47: sparse: sparse: Using plain integer as NULL pointer
   drivers/leds/trigger/ledtrig-timer.c:129:50: sparse: sparse: Using plain integer as NULL pointer

vim +129 drivers/leds/trigger/ledtrig-timer.c

   123	
   124	static void timer_trig_deactivate(struct led_classdev *led_cdev)
   125	{
   126		/* Stop blinking */
   127		led_set_brightness(led_cdev, LED_OFF);
   128		if (led_cdev->blink_set)
 > 129			led_cdev->blink_set(led_cdev, 0, 0);
   130	}
   131	

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