[PATCH AUTOSEL 4.19 4/7] Input: amimouse - convert to platform remove callback returning void

[Sasha Levin]

From: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>

[ Upstream commit 42b8ff47720258d1f6a4412e780a480c139773a0 ]

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@xxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20231201133747.1099286-2-u.kleine-koenig@xxxxxxxxxxxxxx
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/input/mouse/amimouse.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/input/mouse/amimouse.c b/drivers/input/mouse/amimouse.c
index a33437c480e36..c93f9c03f7d73 100644
--- a/drivers/input/mouse/amimouse.c
+++ b/drivers/input/mouse/amimouse.c
@@ -129,16 +129,15 @@ static int __init amimouse_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static int __exit amimouse_remove(struct platform_device *pdev)
+static void __exit amimouse_remove(struct platform_device *pdev)
 {
 	struct input_dev *dev = platform_get_drvdata(pdev);
 
 	input_unregister_device(dev);
-	return 0;
 }
 
 static struct platform_driver amimouse_driver = {
-	.remove = __exit_p(amimouse_remove),
+	.remove_new = __exit_p(amimouse_remove),
 	.driver   = {
 		.name	= "amiga-mouse",
 	},
-- 
2.43.0