From 52f8a4b63b0e289b2b83b55a65993b3a7997836e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= Date: Sun, 17 Sep 2023 22:38:04 +0200 Subject: [PATCH] platform/surface: gpe: 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() 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 Reviewed-by: Maximilian Luz Link: https://lore.kernel.org/r/20230917203805.1149595-7-u.kleine-koenig@pengutronix.de Reviewed-by: Hans de Goede Signed-off-by: Hans de Goede --- drivers/platform/surface/surface_gpe.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/platform/surface/surface_gpe.c b/drivers/platform/surface/surface_gpe.c index c219b840d491..62fd4004db31 100644 --- a/drivers/platform/surface/surface_gpe.c +++ b/drivers/platform/surface/surface_gpe.c @@ -267,20 +267,18 @@ static int surface_gpe_probe(struct platform_device *pdev) return ret; } -static int surface_gpe_remove(struct platform_device *pdev) +static void surface_gpe_remove(struct platform_device *pdev) { struct surface_lid_device *lid = dev_get_drvdata(&pdev->dev); /* restore default behavior without this module */ surface_lid_enable_wakeup(&pdev->dev, false); acpi_disable_gpe(NULL, lid->gpe_number); - - return 0; } static struct platform_driver surface_gpe_driver = { .probe = surface_gpe_probe, - .remove = surface_gpe_remove, + .remove_new = surface_gpe_remove, .driver = { .name = "surface_gpe", .pm = &surface_gpe_pm,