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hwmon: (w83781d) Convert to platform remove callback returning void

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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/20230918085951.1234172-24-u.kleine-koenig@pengutronix.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Uwe Kleine-König 2023-09-18 10:59:50 +02:00 committed by Guenter Roeck
parent eaac830a7e
commit bc70de3325
1 changed files with 2 additions and 5 deletions
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7
drivers/hwmon/w83781d.c
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@ -1816,16 +1816,13 @@ w83781d_isa_probe(struct platform_device *pdev)
return err;
}
static int
w83781d_isa_remove(struct platform_device *pdev)
static void w83781d_isa_remove(struct platform_device *pdev)
{
struct w83781d_data *data = platform_get_drvdata(pdev);
hwmon_device_unregister(data->hwmon_dev);
w83781d_remove_files(&pdev->dev);
device_remove_file(&pdev->dev, &dev_attr_name);
return 0;
}
static struct platform_driver w83781d_isa_driver = {
@ -1833,7 +1830,7 @@ static struct platform_driver w83781d_isa_driver = {
.name = "w83781d",
},
.probe = w83781d_isa_probe,
.remove = w83781d_isa_remove,
.remove_new = w83781d_isa_remove,
};
/* return 1 if a supported chip is found, 0 otherwise */