hwmon: (max1111) 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>

diff --git a/drivers/hwmon/max1111.c b/drivers/hwmon/max1111.c
index 362a40e..f3978a4 100644 (file)
--- a/drivers/hwmon/max1111.c
+++ b/drivers/hwmon/max1111.c
@@ -168,7 +168,7 @@ static int __devinit max1111_probe(struct spi_device *spi)
        if (err < 0)
                return err;
 
-       data = kzalloc(sizeof(struct max1111_data), GFP_KERNEL);
+       data = devm_kzalloc(&spi->dev, sizeof(struct max1111_data), GFP_KERNEL);
        if (data == NULL) {
                dev_err(&spi->dev, "failed to allocate memory\n");
                return -ENOMEM;
@@ -176,7 +176,7 @@ static int __devinit max1111_probe(struct spi_device *spi)
 
        err = setup_transfer(data);
        if (err)
-               goto err_free_data;
+               return err;
 
        mutex_init(&data->drvdata_lock);
 
@@ -186,7 +186,7 @@ static int __devinit max1111_probe(struct spi_device *spi)
        err = sysfs_create_group(&spi->dev.kobj, &max1111_attr_group);
        if (err) {
                dev_err(&spi->dev, "failed to create attribute group\n");
-               goto err_free_data;
+               return err;
        }
 
        data->hwmon_dev = hwmon_device_register(&spi->dev);
@@ -203,8 +203,6 @@ static int __devinit max1111_probe(struct spi_device *spi)
 
 err_remove:
        sysfs_remove_group(&spi->dev.kobj, &max1111_attr_group);
-err_free_data:
-       kfree(data);
        return err;
 }
 
@@ -215,7 +213,6 @@ static int __devexit max1111_remove(struct spi_device *spi)
        hwmon_device_unregister(data->hwmon_dev);
        sysfs_remove_group(&spi->dev.kobj, &max1111_attr_group);
        mutex_destroy(&data->drvdata_lock);
-       kfree(data);
        return 0;
 }