From e4707226011cf376b8f7da5d66cec73e2a2300a6 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Uwe=20Kleine-K=C3=B6nig?= Date: Thu, 18 May 2023 01:01:37 +0200 Subject: [PATCH] usb: gadget/net2272: Convert to platform remove callback returning void MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 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 Link: https://lore.kernel.org/r/20230517230239.187727-36-u.kleine-koenig@pengutronix.de Signed-off-by: Greg Kroah-Hartman --- drivers/usb/gadget/udc/net2272.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/usb/gadget/udc/net2272.c b/drivers/usb/gadget/udc/net2272.c index 538c1b9a28835..12e76bb62c209 100644 --- a/drivers/usb/gadget/udc/net2272.c +++ b/drivers/usb/gadget/udc/net2272.c @@ -2670,7 +2670,7 @@ net2272_plat_probe(struct platform_device *pdev) return ret; } -static int +static void net2272_plat_remove(struct platform_device *pdev) { struct net2272 *dev = platform_get_drvdata(pdev); @@ -2681,13 +2681,11 @@ net2272_plat_remove(struct platform_device *pdev) resource_size(&pdev->resource[0])); usb_put_gadget(&dev->gadget); - - return 0; } static struct platform_driver net2272_plat_driver = { .probe = net2272_plat_probe, - .remove = net2272_plat_remove, + .remove_new = net2272_plat_remove, .driver = { .name = driver_name, }, -- 2.30.2