The format specifier of "signed int" in sprintf() should be "%d", not "%u". Signed-off-by: Zhu Jun <zhujun2@xxxxxxxxxxxxxxxxxxxx> --- drivers/leds/leds-ss4200.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/leds/leds-ss4200.c b/drivers/leds/leds-ss4200.c index 2ef9fc7371bd..f24ca75c7cb1 100644 --- a/drivers/leds/leds-ss4200.c +++ b/drivers/leds/leds-ss4200.c @@ -451,7 +451,7 @@ static ssize_t blink_show(struct device *dev, int blinking = 0; if (nasgpio_led_get_attr(led, GPO_BLINK)) blinking = 1; - return sprintf(buf, "%u\n", blinking); + return sprintf(buf, "%d\n", blinking); } static ssize_t blink_store(struct device *dev, -- 2.17.1
