From: Jiri Slaby <jirislaby@gmail.com>
Date: Sat, 11 Jul 2009 11:42:37 +0000 (+0200)
Subject: hwmon: (max6650) Fix lock imbalance
X-Git-Tag: v2.6.30.4~17
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9783772fe815ac811a3d73757a2f86ec9dceef00;p=thirdparty%2Fkernel%2Fstable.git

hwmon: (max6650) Fix lock imbalance

commit 025dc740d01f99ccba945df1f9ef9e06b1c15d96 upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/hwmon/max6650.c b/drivers/hwmon/max6650.c
index f27af6a9da414..65cf25f9d2f29 100644
--- a/drivers/hwmon/max6650.c
+++ b/drivers/hwmon/max6650.c
@@ -407,6 +407,7 @@ 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;