[PATCH 2/4] hwmon: (lm90) Use guard() to acquire subsystem lock

[Guenter Roeck <linux@roeck-us.net>]

Use guard() instead of hwmon_lock() / hwmon_unlock() to acquire and release
the hardware monitoring subsystem lock.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
---
 drivers/hwmon/lm90.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c
index 3c10a5066b53..9ca49abc1a93 100644
--- a/drivers/hwmon/lm90.c
+++ b/drivers/hwmon/lm90.c
@@ -1222,13 +1222,8 @@ static int lm90_update_alarms_locked(struct lm90_data *data, bool force)
 
 static int lm90_update_alarms(struct lm90_data *data, bool force)
 {
-	int err;
-
-	hwmon_lock(data->hwmon_dev);
-	err = lm90_update_alarms_locked(data, force);
-	hwmon_unlock(data->hwmon_dev);
-
-	return err;
+	guard(hwmon_lock)(data->hwmon_dev);
+	return lm90_update_alarms_locked(data, force);
 }
 
 static void lm90_alert_work(struct work_struct *__work)
-- 
2.45.2