From ee3d5597133c03c7c200f63c51534c2ada24b8fc Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= Date: Wed, 20 Sep 2023 14:58:04 +0200 Subject: [PATCH] Input: wm831x-on - convert to platform remove callback returning void MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Acked-by: Charles Keepax Link: https://lore.kernel.org/r/20230920125829.1478827-28-u.kleine-koenig@pengutronix.de Signed-off-by: Dmitry Torokhov --- drivers/input/misc/wm831x-on.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/input/misc/wm831x-on.c b/drivers/input/misc/wm831x-on.c index a42fe041b73c..e4a06c73b72d 100644 --- a/drivers/input/misc/wm831x-on.c +++ b/drivers/input/misc/wm831x-on.c @@ -123,20 +123,18 @@ err: return ret; } -static int wm831x_on_remove(struct platform_device *pdev) +static void wm831x_on_remove(struct platform_device *pdev) { struct wm831x_on *wm831x_on = platform_get_drvdata(pdev); int irq = platform_get_irq(pdev, 0); free_irq(irq, wm831x_on); cancel_delayed_work_sync(&wm831x_on->work); - - return 0; } static struct platform_driver wm831x_on_driver = { .probe = wm831x_on_probe, - .remove = wm831x_on_remove, + .remove_new = wm831x_on_remove, .driver = { .name = "wm831x-on", },