[PATCH] RTC: use kobj_to_dev

[guosongsu]

From: suguosong <suguosong@xxxxxxxxxx>

use kobj_to_dev instead of open-conding it

Signed-off-by: suguosong <suguosong@xxxxxxxxxx>
---
 drivers/rtc/sysfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/rtc/sysfs.c b/drivers/rtc/sysfs.c
index b7ca7d79fb28..950fac0d41ff 100644
--- a/drivers/rtc/sysfs.c
+++ b/drivers/rtc/sysfs.c
@@ -279,7 +279,7 @@ static bool rtc_does_wakealarm(struct rtc_device *rtc)
 static umode_t rtc_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 rtc_device *rtc = to_rtc_device(dev);
 	umode_t mode = attr->mode;
 
-- 
2.14.1