power: supply: use kobj_to_dev

Use kobj_to_dev() API instead of open-coded container_of().

Signed-off-by: Wang Qing <wangqing@vivo.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c
index bc79560..af0cad2 100644 (file)
--- a/drivers/power/supply/power_supply_sysfs.c
+++ b/drivers/power/supply/power_supply_sysfs.c
@@ -343,7 +343,7 @@ static umode_t power_supply_attr_is_visible(struct kobject *kobj,
                                           struct attribute *attr,
                                           int attrno)
 {
-       struct device *dev = container_of(kobj, struct device, kobj);
+       struct device *dev = kobj_to_dev(kobj);
        struct power_supply *psy = dev_get_drvdata(dev);
        umode_t mode = S_IRUSR | S_IRGRP | S_IROTH;
        int i;