hwmon: (mc13783-adc.c) Convert to use devm_ functions

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

Cc: Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>

diff --git a/drivers/hwmon/mc13783-adc.c b/drivers/hwmon/mc13783-adc.c
index ce86c5e..cf47a59 100644 (file)
--- a/drivers/hwmon/mc13783-adc.c
+++ b/drivers/hwmon/mc13783-adc.c
@@ -179,7 +179,7 @@ static int __init mc13783_adc_probe(struct platform_device *pdev)
        const struct platform_device_id *id = platform_get_device_id(pdev);
        char *dash;
 
-       priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+       priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
        if (!priv)
                return -ENOMEM;
 
@@ -194,7 +194,7 @@ static int __init mc13783_adc_probe(struct platform_device *pdev)
        /* Register sysfs hooks */
        ret = sysfs_create_group(&pdev->dev.kobj, &mc13783_group_base);
        if (ret)
-               goto out_err_create_base;
+               return ret;
 
        if (id->driver_data & MC13783_ADC_16CHANS) {
                ret = sysfs_create_group(&pdev->dev.kobj,
@@ -230,11 +230,6 @@ out_err_create_ts:
 out_err_create_16chans:
 
        sysfs_remove_group(&pdev->dev.kobj, &mc13783_group_base);
-out_err_create_base:
-
-       platform_set_drvdata(pdev, NULL);
-       kfree(priv);
-
        return ret;
 }
 
@@ -253,9 +248,6 @@ static int __devexit mc13783_adc_remove(struct platform_device *pdev)
 
        sysfs_remove_group(&pdev->dev.kobj, &mc13783_group_base);
 
-       platform_set_drvdata(pdev, NULL);
-       kfree(priv);
-
        return 0;
 }