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hwmon: (ad7414) 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 09:57:57 -07:00
parent be92304034
commit 0fee6591b7
1 changed files with 7 additions and 14 deletions
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21
drivers/hwmon/ad7414.c
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@ -185,16 +185,13 @@ static int ad7414_probe(struct i2c_client *client,
int err;
if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA |
I2C_FUNC_SMBUS_READ_WORD_DATA)) {
err = -EOPNOTSUPP;
goto exit;
}
I2C_FUNC_SMBUS_READ_WORD_DATA))
return -EOPNOTSUPP;
data = kzalloc(sizeof(struct ad7414_data), GFP_KERNEL);
if (!data) {
err = -ENOMEM;
goto exit;
}
data = devm_kzalloc(&client->dev, sizeof(struct ad7414_data),
GFP_KERNEL);
if (!data)
return -ENOMEM;
i2c_set_clientdata(client, data);
mutex_init(&data->lock);
@ -214,7 +211,7 @@ static int ad7414_probe(struct i2c_client *client,
/* Register sysfs hooks */
err = sysfs_create_group(&client->dev.kobj, &ad7414_group);
if (err)
goto exit_free;
return err;
data->hwmon_dev = hwmon_device_register(&client->dev);
if (IS_ERR(data->hwmon_dev)) {
@ -226,9 +223,6 @@ static int ad7414_probe(struct i2c_client *client,
exit_remove:
sysfs_remove_group(&client->dev.kobj, &ad7414_group);
exit_free:
kfree(data);
exit:
return err;
}
@ -238,7 +232,6 @@ static int __devexit ad7414_remove(struct i2c_client *client)
hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&client->dev.kobj, &ad7414_group);
kfree(data);
return 0;
}