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watchdog: Use kobj_to_dev() API 

Use kobj_to_dev() API instead of container_of().

Signed-off-by: Wang Qing <wangqing@vivo.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/1591945384-14587-1-git-send-email-wangqing@vivo.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
This commit is contained in:
Wang Qing 2020-06-12 15:03:04 +08:00 committed by Wim Van Sebroeck
parent fd99897245
commit 893c3d82b4
1 changed files with 1 additions and 1 deletions
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2
drivers/watchdog/watchdog_dev.c
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@ -587,7 +587,7 @@ static DEVICE_ATTR_RW(pretimeout_governor);
static umode_t wdt_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 watchdog_device *wdd = dev_get_drvdata(dev);
umode_t mode = attr->mode;