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hwmon: (pcf8591) 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>
Acked-by: Jean Delvare <khali@linux-fr.org>
This commit is contained in:
Guenter Roeck 2012-06-02 11:20:20 -07:00
parent 96f316c24c
commit 60c2b56975
1 changed files with 5 additions and 10 deletions
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15
drivers/hwmon/pcf8591.c
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@ -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;
}