leds: lm3533: Switch to using the new API kobj_to_dev()

fixed the following coccicheck:
drivers/leds/leds-lm3533.c:611:60-61: WARNING opportunity for kobj_to_dev().

Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>

diff --git a/drivers/leds/leds-lm3533.c b/drivers/leds/leds-lm3533.c
index b3edee7..9791166 100644 (file)
--- a/drivers/leds/leds-lm3533.c
+++ b/drivers/leds/leds-lm3533.c
@@ -608,7 +608,7 @@ static struct attribute *lm3533_led_attributes[] = {
 static umode_t lm3533_led_attr_is_visible(struct kobject *kobj,
                                             struct attribute *attr, int n)
 {
-       struct device *dev = container_of(kobj, struct device, kobj);
+       struct device *dev = kobj_to_dev(kobj);
        struct led_classdev *led_cdev = dev_get_drvdata(dev);
        struct lm3533_led *led = to_lm3533_led(led_cdev);
        umode_t mode = attr->mode;