commit 36839287204f1c419907d3873f1e45062000e8a2
author Guenter Roeck <linux@roeck-us.net> Wed Feb 22 08:56:49 2012 -0800
committer Guenter Roeck <guenter.roeck@ericsson.com> Sun Mar 18 18:27:46 2012 -0700
tree 791547e087f072914199dcc93862b1bb144348f6
parent dd285ad7373bf5d21cceacb3b7a5eb8b72d37085

hwmon: (ltc4261) Convert to use devm_kzalloc

Marginally less code and eliminate the possibility of memory leaks.

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

drivers/hwmon/ltc4261.c

diff --git a/drivers/hwmon/ltc4261.c b/drivers/hwmon/ltc4261.c
index ab1bfbf..069b7d34 100644
--- a/drivers/hwmon/ltc4261.c
+++ b/drivers/hwmon/ltc4261.c
@@ -235,11 +235,9 @@
 		return -ENODEV;
 	}
 
-	data = kzalloc(sizeof(*data), GFP_KERNEL);
-	if (!data) {
-		ret = -ENOMEM;
-		goto out_kzalloc;
-	}
+	data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL);
+	if (!data)
+		return -ENOMEM;
 
 	i2c_set_clientdata(client, data);
 	mutex_init(&data->update_lock);
@@ -250,7 +248,7 @@
 	/* Register sysfs hooks */
 	ret = sysfs_create_group(&client->dev.kobj, &ltc4261_group);
 	if (ret)
-		goto out_sysfs_create_group;
+		return ret;
 
 	data->hwmon_dev = hwmon_device_register(&client->dev);
 	if (IS_ERR(data->hwmon_dev)) {
@@ -262,9 +260,6 @@
 
 out_hwmon_device_register:
 	sysfs_remove_group(&client->dev.kobj, &ltc4261_group);
-out_sysfs_create_group:
-	kfree(data);
-out_kzalloc:
 	return ret;
 }
 
@@ -275,8 +270,6 @@
 	hwmon_device_unregister(data->hwmon_dev);
 	sysfs_remove_group(&client->dev.kobj, &ltc4261_group);
 
-	kfree(data);
-
 	return 0;
 }