diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c
index a51b0ed53886..4259533dafa1 100644
--- a/drivers/leds/led-class.c
+++ b/drivers/leds/led-class.c
@@ -43,13 +43,13 @@ static ssize_t brightness_show(struct device *dev,
 	struct led_classdev *led_cdev = dev_get_drvdata(dev);
 	unsigned int brightness;
 
-	if (led_trigger_is_hw_controlled(led_cdev))
-		return -ENODATA;
+	scoped_guard(mutex, &led_cdev->led_access) {
+		if (led_trigger_is_hw_controlled(led_cdev))
+			return -ENODATA;
 
-	mutex_lock(&led_cdev->led_access);
-	led_update_brightness(led_cdev);
-	brightness = led_cdev->brightness;
-	mutex_unlock(&led_cdev->led_access);
+		led_update_brightness(led_cdev);
+		brightness = led_cdev->brightness;
+	}
 
 	return sysfs_emit(buf, "%u\n", brightness);
 }