props is stack allocated and the fields that are not explcitly set by the probe function need to be zeroed or we'll get undefined behaviour (especially so power/blank states)! Fixes: c5a51053cf3b ("backlight: add new lp8788 backlight driver") Signed-off-by: Daniel Thompson <daniel.thompson@xxxxxxxxxx> --- drivers/video/backlight/lp8788_bl.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/video/backlight/lp8788_bl.c b/drivers/video/backlight/lp8788_bl.c index d1a14b0db265b..31f97230ee506 100644 --- a/drivers/video/backlight/lp8788_bl.c +++ b/drivers/video/backlight/lp8788_bl.c @@ -191,6 +191,7 @@ static int lp8788_backlight_register(struct lp8788_bl *bl) int init_brt; char *name; + memset(&props, 0, sizeof(struct backlight_properties)); props.type = BACKLIGHT_PLATFORM; props.max_brightness = MAX_BRIGHTNESS; -- 2.43.0