Input: ideapad_slidebar - 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() will be 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/20230920125829.1478827-16-u.kleine-koenig@pengutronix.de
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

diff --git a/drivers/input/misc/ideapad_slidebar.c b/drivers/input/misc/ideapad_slidebar.c
index 68f1c584da05697f11ddddf9bbffe84433a7e509..fa4e7f67d71367b09a0cc5dd42661f94da3a29f8 100644 (file)
--- a/drivers/input/misc/ideapad_slidebar.c
+++ b/drivers/input/misc/ideapad_slidebar.c
@@ -256,20 +256,18 @@ err_release_ports:
        return err;
 }
 
-static int ideapad_remove(struct platform_device *pdev)
+static void ideapad_remove(struct platform_device *pdev)
 {
        i8042_remove_filter(slidebar_i8042_filter);
        input_unregister_device(slidebar_input_dev);
        release_region(IDEAPAD_BASE, 3);
-
-       return 0;
 }
 
 static struct platform_driver slidebar_drv = {
        .driver = {
                .name = "ideapad_slidebar",
        },
-       .remove = ideapad_remove,
+       .remove_new = ideapad_remove,
 };
 
 static int __init ideapad_dmi_check(const struct dmi_system_id *id)