hwmon: (emc6w201) 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>
Acked-by: Jean Delvare <khali@linux-fr.org>
This commit is contained in:
Guenter Roeck 2012-06-02 09:58:04 -07:00
parent e20b4b38cd
commit 6ecffe1691

View file

@ -492,11 +492,10 @@ static int emc6w201_probe(struct i2c_client *client,
struct emc6w201_data *data; struct emc6w201_data *data;
int err; int err;
data = kzalloc(sizeof(struct emc6w201_data), GFP_KERNEL); data = devm_kzalloc(&client->dev, sizeof(struct emc6w201_data),
if (!data) { GFP_KERNEL);
err = -ENOMEM; if (!data)
goto exit; return -ENOMEM;
}
i2c_set_clientdata(client, data); i2c_set_clientdata(client, data);
mutex_init(&data->update_lock); mutex_init(&data->update_lock);
@ -504,7 +503,7 @@ static int emc6w201_probe(struct i2c_client *client,
/* Create sysfs attribute */ /* Create sysfs attribute */
err = sysfs_create_group(&client->dev.kobj, &emc6w201_group); err = sysfs_create_group(&client->dev.kobj, &emc6w201_group);
if (err) if (err)
goto exit_free; return err;
/* Expose as a hwmon device */ /* Expose as a hwmon device */
data->hwmon_dev = hwmon_device_register(&client->dev); data->hwmon_dev = hwmon_device_register(&client->dev);
@ -517,9 +516,6 @@ static int emc6w201_probe(struct i2c_client *client,
exit_remove: exit_remove:
sysfs_remove_group(&client->dev.kobj, &emc6w201_group); sysfs_remove_group(&client->dev.kobj, &emc6w201_group);
exit_free:
kfree(data);
exit:
return err; return err;
} }
@ -529,7 +525,6 @@ static int emc6w201_remove(struct i2c_client *client)
hwmon_device_unregister(data->hwmon_dev); hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&client->dev.kobj, &emc6w201_group); sysfs_remove_group(&client->dev.kobj, &emc6w201_group);
kfree(data);
return 0; return 0;
} }