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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
1 changed files with 5 additions and 10 deletions
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15
drivers/hwmon/emc6w201.c
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@ -492,11 +492,10 @@ static int emc6w201_probe(struct i2c_client *client,
struct emc6w201_data *data;
int err;
data = kzalloc(sizeof(struct emc6w201_data), GFP_KERNEL);
if (!data) {
err = -ENOMEM;
goto exit;
}
data = devm_kzalloc(&client->dev, sizeof(struct emc6w201_data),
GFP_KERNEL);
if (!data)
return -ENOMEM;
i2c_set_clientdata(client, data);
mutex_init(&data->update_lock);
@ -504,7 +503,7 @@ static int emc6w201_probe(struct i2c_client *client,
/* Create sysfs attribute */
err = sysfs_create_group(&client->dev.kobj, &emc6w201_group);
if (err)
goto exit_free;
return err;
/* Expose as a hwmon device */
data->hwmon_dev = hwmon_device_register(&client->dev);
@ -517,9 +516,6 @@ static int emc6w201_probe(struct i2c_client *client,
exit_remove:
sysfs_remove_group(&client->dev.kobj, &emc6w201_group);
exit_free:
kfree(data);
exit:
return err;
}
@ -529,7 +525,6 @@ static int emc6w201_remove(struct i2c_client *client)
hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&client->dev.kobj, &emc6w201_group);
kfree(data);
return 0;
}