commit 9cc7dcc5238308250eb3ca4314f6423bd6f54ef0
author Guenter Roeck <linux@roeck-us.net> Sat Jun 02 09:58:01 2012 -0700
committer Guenter Roeck <linux@roeck-us.net> Sun Sep 23 21:08:30 2012 -0700
tree bf836b90ed9976d1f202e2a8ded8c99928fc9cda
parent 0880830096ee314c953d4bd5d017e27589f0e830

hwmon: (adt7470) Convert to use devm_ functions

Convert to use devm_ functions to reduce code size and simplify the code.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

drivers/hwmon/adt7470.c

diff --git a/drivers/hwmon/adt7470.c b/drivers/hwmon/adt7470.c
index 54ec890..39ecb1a 100644
--- a/drivers/hwmon/adt7470.c
+++ b/drivers/hwmon/adt7470.c
@@ -1256,11 +1256,10 @@
 	struct adt7470_data *data;
 	int err;
 
-	data = kzalloc(sizeof(struct adt7470_data), GFP_KERNEL);
-	if (!data) {
-		err = -ENOMEM;
-		goto exit;
-	}
+	data = devm_kzalloc(&client->dev, sizeof(struct adt7470_data),
+			    GFP_KERNEL);
+	if (!data)
+		return -ENOMEM;
 
 	data->num_temp_sensors = -1;
 	data->auto_update_interval = AUTO_UPDATE_INTERVAL;
@@ -1277,7 +1276,7 @@
 	data->attrs.attrs = adt7470_attr;
 	err = sysfs_create_group(&client->dev.kobj, &data->attrs);
 	if (err)
-		goto exit_free;
+		return err;
 
 	data->hwmon_dev = hwmon_device_register(&client->dev);
 	if (IS_ERR(data->hwmon_dev)) {
@@ -1299,9 +1298,6 @@
 	hwmon_device_unregister(data->hwmon_dev);
 exit_remove:
 	sysfs_remove_group(&client->dev.kobj, &data->attrs);
-exit_free:
-	kfree(data);
-exit:
 	return err;
 }
 
@@ -1313,7 +1309,6 @@
 	wait_for_completion(&data->auto_update_stop);
 	hwmon_device_unregister(data->hwmon_dev);
 	sysfs_remove_group(&client->dev.kobj, &data->attrs);
-	kfree(data);
 	return 0;
 }