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hwmon: (lm77) 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 2012-06-16 18:24:02 -07:00
parent efd2d117ae
commit 52714c04df
1 changed files with 4 additions and 10 deletions
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14
drivers/hwmon/lm77.c
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@ -343,11 +343,9 @@ static int lm77_probe(struct i2c_client *client, const struct i2c_device_id *id)
struct lm77_data *data;
int err;
data = kzalloc(sizeof(struct lm77_data), GFP_KERNEL);
if (!data) {
err = -ENOMEM;
goto exit;
}
data = devm_kzalloc(dev, sizeof(struct lm77_data), GFP_KERNEL);
if (!data)
return -ENOMEM;
i2c_set_clientdata(client, data);
data->valid = 0;
@ -359,7 +357,7 @@ static int lm77_probe(struct i2c_client *client, const struct i2c_device_id *id)
/* Register sysfs hooks */
err = sysfs_create_group(&dev->kobj, &lm77_group);
if (err)
goto exit_free;
return err;
data->hwmon_dev = hwmon_device_register(dev);
if (IS_ERR(data->hwmon_dev)) {
@ -371,9 +369,6 @@ static int lm77_probe(struct i2c_client *client, const struct i2c_device_id *id)
exit_remove:
sysfs_remove_group(&dev->kobj, &lm77_group);
exit_free:
kfree(data);
exit:
return err;
}
@ -382,7 +377,6 @@ static int lm77_remove(struct i2c_client *client)
struct lm77_data *data = i2c_get_clientdata(client);
hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&client->dev.kobj, &lm77_group);
kfree(data);
return 0;
}