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hwmon: (sht21) Convert to use devm_ functions

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

Cc: Jonathan Cameron <jic23@cam.ac.uk>
Cc: Urs Fleisch <urs.fleisch@sensirion.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Guenter Roeck 2012-06-02 11:20:22 -07:00
parent 38fe7560a3
commit a844af19b9
1 changed files with 4 additions and 9 deletions
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13
drivers/hwmon/sht21.c
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@ -199,11 +199,10 @@ static int __devinit sht21_probe(struct i2c_client *client,
return -ENODEV;
}
sht21 = kzalloc(sizeof(*sht21), GFP_KERNEL);
if (!sht21) {
dev_dbg(&client->dev, "kzalloc failed\n");
sht21 = devm_kzalloc(&client->dev, sizeof(*sht21), GFP_KERNEL);
if (!sht21)
return -ENOMEM;
}
i2c_set_clientdata(client, sht21);
mutex_init(&sht21->lock);
@ -211,7 +210,7 @@ static int __devinit sht21_probe(struct i2c_client *client,
err = sysfs_create_group(&client->dev.kobj, &sht21_attr_group);
if (err) {
dev_dbg(&client->dev, "could not create sysfs files\n");
goto fail_free;
return err;
}
sht21->hwmon_dev = hwmon_device_register(&client->dev);
if (IS_ERR(sht21->hwmon_dev)) {
@ -226,9 +225,6 @@ static int __devinit sht21_probe(struct i2c_client *client,
fail_remove_sysfs:
sysfs_remove_group(&client->dev.kobj, &sht21_attr_group);
fail_free:
kfree(sht21);
return err;
}
@ -242,7 +238,6 @@ static int __devexit sht21_remove(struct i2c_client *client)
hwmon_device_unregister(sht21->hwmon_dev);
sysfs_remove_group(&client->dev.kobj, &sht21_attr_group);
kfree(sht21);
return 0;
}