hwmon: (max6650) Fix lock imbalance

Add omitted update_lock to one switch/case in set_div.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Acked-by: Hans J. Koch <hjk@linutronix.de>
Signed-off-by: Jean Delvare <khali@linux-fr.org>

diff --git a/drivers/hwmon/max6650.c b/drivers/hwmon/max6650.c
index 86142a8..58f66be 100644 (file)
--- a/drivers/hwmon/max6650.c
+++ b/drivers/hwmon/max6650.c
@@ -418,6 +418,7 @@ static ssize_t set_div(struct device *dev, struct device_attribute *devattr,
                data->count = 3;
                break;
        default:
+               mutex_unlock(&data->update_lock);
                dev_err(&client->dev,
                        "illegal value for fan divider (%d)\n", div);
                return -EINVAL;