From 2f46e417384e0412c5e239fe6a84ace7d955b33e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= Date: Wed, 27 Sep 2023 10:10:37 +0200 Subject: [PATCH] platform/x86/siemens: simatic-ipc-batt: 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 Link: https://lore.kernel.org/r/20230927081040.2198742-25-u.kleine-koenig@pengutronix.de Reviewed-by: Ilpo Järvinen Signed-off-by: Ilpo Järvinen --- drivers/platform/x86/siemens/simatic-ipc-batt.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/platform/x86/siemens/simatic-ipc-batt.c b/drivers/platform/x86/siemens/simatic-ipc-batt.c index 07cd4944de32..c6dd263b4ee3 100644 --- a/drivers/platform/x86/siemens/simatic-ipc-batt.c +++ b/drivers/platform/x86/siemens/simatic-ipc-batt.c @@ -227,11 +227,9 @@ out: } EXPORT_SYMBOL_GPL(simatic_ipc_batt_probe); -static int simatic_ipc_batt_io_remove(struct platform_device *pdev) +static void simatic_ipc_batt_io_remove(struct platform_device *pdev) { simatic_ipc_batt_remove(pdev, NULL); - - return 0; } static int simatic_ipc_batt_io_probe(struct platform_device *pdev) @@ -241,7 +239,7 @@ static int simatic_ipc_batt_io_probe(struct platform_device *pdev) static struct platform_driver simatic_ipc_batt_driver = { .probe = simatic_ipc_batt_io_probe, - .remove = simatic_ipc_batt_io_remove, + .remove_new = simatic_ipc_batt_io_remove, .driver = { .name = KBUILD_MODNAME, },