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hwmon: (max6639) Convert to use devm_ functions 

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

Cc: Roland Stigge <stigge@antcom.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Roland Stigge <stigge@antcom.de>
This commit is contained in:
Guenter Roeck 2012-06-02 09:58:13 -07:00
parent 94cd52027a
commit b07405fbc3
1 changed files with 6 additions and 11 deletions
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17
drivers/hwmon/max6639.c
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@ -548,11 +548,10 @@ static int max6639_probe(struct i2c_client *client,
struct max6639_data *data;
int err;
data = kzalloc(sizeof(struct max6639_data), GFP_KERNEL);
if (!data) {
err = -ENOMEM;
goto exit;
}
data = devm_kzalloc(&client->dev, sizeof(struct max6639_data),
GFP_KERNEL);
if (!data)
return -ENOMEM;
i2c_set_clientdata(client, data);
mutex_init(&data->update_lock);
@ -560,12 +559,12 @@ static int max6639_probe(struct i2c_client *client,
/* Initialize the max6639 chip */
err = max6639_init_client(client);
if (err < 0)
goto error_free;
return err;
/* Register sysfs hooks */
err = sysfs_create_group(&client->dev.kobj, &max6639_group);
if (err)
goto error_free;
return err;
data->hwmon_dev = hwmon_device_register(&client->dev);
if (IS_ERR(data->hwmon_dev)) {
@ -579,9 +578,6 @@ static int max6639_probe(struct i2c_client *client,
error_remove:
sysfs_remove_group(&client->dev.kobj, &max6639_group);
error_free:
kfree(data);
exit:
return err;
}
@ -592,7 +588,6 @@ static int max6639_remove(struct i2c_client *client)
hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&client->dev.kobj, &max6639_group);
kfree(data);
return 0;
}