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hwmon: (ads7828) Convert to use devm_ functions

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

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Guenter Roeck 2012-06-02 09:58:00 -07:00
parent 57457e314e
commit 34e3f7f5a2
1 changed files with 5 additions and 10 deletions
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15
drivers/hwmon/ads7828.c
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@ -154,7 +154,6 @@ static int ads7828_remove(struct i2c_client *client)
struct ads7828_data *data = i2c_get_clientdata(client);
hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&client->dev.kobj, &ads7828_group);
kfree(i2c_get_clientdata(client));
return 0;
}
@ -217,11 +216,10 @@ static int ads7828_probe(struct i2c_client *client,
struct ads7828_data *data;
int err;
data = kzalloc(sizeof(struct ads7828_data), GFP_KERNEL);
if (!data) {
err = -ENOMEM;
goto exit;
}
data = devm_kzalloc(&client->dev, sizeof(struct ads7828_data),
GFP_KERNEL);
if (!data)
return -ENOMEM;
i2c_set_clientdata(client, data);
mutex_init(&data->update_lock);
@ -229,7 +227,7 @@ static int ads7828_probe(struct i2c_client *client,
/* Register sysfs hooks */
err = sysfs_create_group(&client->dev.kobj, &ads7828_group);
if (err)
goto exit_free;
return err;
data->hwmon_dev = hwmon_device_register(&client->dev);
if (IS_ERR(data->hwmon_dev)) {
@ -241,9 +239,6 @@ static int ads7828_probe(struct i2c_client *client,
exit_remove:
sysfs_remove_group(&client->dev.kobj, &ads7828_group);
exit_free:
kfree(data);
exit:
return err;
}