linux-kernel - [PATCH 3.14 047/228] hwmon: (emc1403) Fix resource leak on module unload

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Date:	Wed,  4 Jun 2014 16:21:16 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Jean Delvare <jdelvare@...e.de>,
	Guenter Roeck <linux@...ck-us.net>
Subject: [PATCH 3.14 047/228] hwmon: (emc1403) Fix resource leak on module unload

3.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Jean Delvare <jdelvare@...e.de>

commit 8759f9046550f463098148bf577ccd32cdb895e3 upstream.

Commit 454aee17f claims to convert driver emc1403 to use
devm_hwmon_device_register_with_groups, however the patch itself makes
use of hwmon_device_register_with_groups instead. As the driver remove
function was still dropped, the hwmon device is no longer unregistered
on driver removal, leading to a resource leak.

Signed-off-by: Jean Delvare <jdelvare@...e.de>
Fixes: 454aee17f hwmon: (emc1403) Convert to use devm_hwmon_device_register_with_groups
Cc: Guenter Roeck <linux@...ck-us.net>
Signed-off-by: Guenter Roeck <linux@...ck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/hwmon/emc1403.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

--- a/drivers/hwmon/emc1403.c
+++ b/drivers/hwmon/emc1403.c
@@ -355,9 +355,9 @@ static int emc1403_probe(struct i2c_clie
 	if (id->driver_data)
 		data->groups[1] = &emc1404_group;
 
-	hwmon_dev = hwmon_device_register_with_groups(&client->dev,
-						      client->name, data,
-						      data->groups);
+	hwmon_dev = devm_hwmon_device_register_with_groups(&client->dev,
+							   client->name, data,
+							   data->groups);
 	if (IS_ERR(hwmon_dev))
 		return PTR_ERR(hwmon_dev);
 


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