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Commit 60c2b569 authored by Guenter Roeck's avatar Guenter Roeck
Browse files

hwmon: (pcf8591) Convert to use devm_ functions 



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

Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
Acked-by: default avatarJean Delvare <khali@linux-fr.org>
parent 96f316c2

drivers/hwmon/pcf8591.c

+5 −10
Original line number Diff line number Diff line
@@ -200,11 +200,10 @@ static int pcf8591_probe(struct i2c_client *client, 
	struct pcf8591_data *data;

	int err;



	data = kzalloc(sizeof(struct pcf8591_data), GFP_KERNEL);

	if (!data) {

		err = -ENOMEM;

		goto exit;

	}

	data = devm_kzalloc(&client->dev, sizeof(struct pcf8591_data),

			    GFP_KERNEL);

	if (!data)

		return -ENOMEM;



	i2c_set_clientdata(client, data);

	mutex_init(&data->update_lock);
@@ -215,7 +214,7 @@ static int pcf8591_probe(struct i2c_client *client, 
	/* Register sysfs hooks */

	err = sysfs_create_group(&client->dev.kobj, &pcf8591_attr_group);

	if (err)

		goto exit_kfree;

		return err;



	/* Register input2 if not in "two differential inputs" mode */

	if (input_mode != 3) {
@@ -242,9 +241,6 @@ static int pcf8591_probe(struct i2c_client *client, 
exit_sysfs_remove:

	sysfs_remove_group(&client->dev.kobj, &pcf8591_attr_group_opt);

	sysfs_remove_group(&client->dev.kobj, &pcf8591_attr_group);

exit_kfree:

	kfree(data);

exit:

	return err;

}
@@ -255,7 +251,6 @@ static int pcf8591_remove(struct i2c_client *client) 
	hwmon_device_unregister(data->hwmon_dev);

	sysfs_remove_group(&client->dev.kobj, &pcf8591_attr_group_opt);

	sysfs_remove_group(&client->dev.kobj, &pcf8591_attr_group);

	kfree(i2c_get_clientdata(client));

	return 0;

}