Author: kbuild test robot <fengguang.wu@intel.com> drivers/video/backlight/pm8941-wled.c:404:1-3: WARNING: PTR_ERR_OR_ZERO can be used Use PTR_ERR_OR_ZERO rather than if(IS_ERR(…)) + PTR_ERR Generated by: scripts/coccinelle/api/ptr_ret.cocci Acked-by: Bjorn Andersson Signed-off-by: Fengguang Wu Signed-off-by: Lee Jones — drivers/video/backlight/pm8941-wled.c | 5 +—- 1 file changed, 1 insertion(+), 4 deletions(-) diff –git a/drivers/video/backlight/pm8941-wled.c b/drivers/video/backlight/pm8941-wled.c index c704c32..78bba87 100644 — a/drivers/video/backlight/pm8941-wled.c +++ b/drivers/video/backlight/pm8941-wled.c @@ …