hwmon: (abituguru3) Convert to platform remove callback returning void

The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new() which already returns void. Eventually after all drivers
are converted, .remove_new() is renamed to .remove().

Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20230918085951.1234172-4-u.kleine-koenig@pengutronix.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

diff --git a/drivers/hwmon/abituguru3.c b/drivers/hwmon/abituguru3.c
index afb21f7..4501f0e 100644 (file)
--- a/drivers/hwmon/abituguru3.c
+++ b/drivers/hwmon/abituguru3.c
@@ -1061,7 +1061,7 @@ abituguru3_probe_error:
        return res;
 }
 
-static int abituguru3_remove(struct platform_device *pdev)
+static void abituguru3_remove(struct platform_device *pdev)
 {
        int i;
        struct abituguru3_data *data = platform_get_drvdata(pdev);
@@ -1072,7 +1072,6 @@ static int abituguru3_remove(struct platform_device *pdev)
        for (i = 0; i < ARRAY_SIZE(abituguru3_sysfs_attr); i++)
                device_remove_file(&pdev->dev,
                        &abituguru3_sysfs_attr[i].dev_attr);
-       return 0;
 }
 
 static struct abituguru3_data *abituguru3_update_device(struct device *dev)
@@ -1153,7 +1152,7 @@ static struct platform_driver abituguru3_driver = {
                .pm     = pm_sleep_ptr(&abituguru3_pm),
        },
        .probe  = abituguru3_probe,
-       .remove = abituguru3_remove,
+       .remove_new = abituguru3_remove,
 };
 
 static int __init abituguru3_dmi_detect(void)