From 9ecae52f7db455d9c8cfafb48e2ef19ff2fbe906 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= Date: Mon, 18 Sep 2023 22:41:38 +0200 Subject: [PATCH] net: ethernet: amd: 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 these drivers from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König Signed-off-by: David S. Miller --- drivers/net/ethernet/amd/au1000_eth.c | 6 ++---- drivers/net/ethernet/amd/sunlance.c | 6 ++---- drivers/net/ethernet/amd/xgbe/xgbe-platform.c | 6 ++---- 3 files changed, 6 insertions(+), 12 deletions(-) diff --git a/drivers/net/ethernet/amd/au1000_eth.c b/drivers/net/ethernet/amd/au1000_eth.c index c5cec4e794895..85c978149bf66 100644 --- a/drivers/net/ethernet/amd/au1000_eth.c +++ b/drivers/net/ethernet/amd/au1000_eth.c @@ -1323,7 +1323,7 @@ static int au1000_probe(struct platform_device *pdev) return err; } -static int au1000_remove(struct platform_device *pdev) +static void au1000_remove(struct platform_device *pdev) { struct net_device *dev = platform_get_drvdata(pdev); struct au1000_private *aup = netdev_priv(dev); @@ -1359,13 +1359,11 @@ static int au1000_remove(struct platform_device *pdev) release_mem_region(macen->start, resource_size(macen)); free_netdev(dev); - - return 0; } static struct platform_driver au1000_eth_driver = { .probe = au1000_probe, - .remove = au1000_remove, + .remove_new = au1000_remove, .driver = { .name = "au1000-eth", }, diff --git a/drivers/net/ethernet/amd/sunlance.c b/drivers/net/ethernet/amd/sunlance.c index 33bb539ad70a8..c78706d21a6af 100644 --- a/drivers/net/ethernet/amd/sunlance.c +++ b/drivers/net/ethernet/amd/sunlance.c @@ -1487,7 +1487,7 @@ static int sunlance_sbus_probe(struct platform_device *op) return err; } -static int sunlance_sbus_remove(struct platform_device *op) +static void sunlance_sbus_remove(struct platform_device *op) { struct lance_private *lp = platform_get_drvdata(op); struct net_device *net_dev = lp->dev; @@ -1497,8 +1497,6 @@ static int sunlance_sbus_remove(struct platform_device *op) lance_free_hwresources(lp); free_netdev(net_dev); - - return 0; } static const struct of_device_id sunlance_sbus_match[] = { @@ -1516,7 +1514,7 @@ static struct platform_driver sunlance_sbus_driver = { .of_match_table = sunlance_sbus_match, }, .probe = sunlance_sbus_probe, - .remove = sunlance_sbus_remove, + .remove_new = sunlance_sbus_remove, }; module_platform_driver(sunlance_sbus_driver); diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-platform.c b/drivers/net/ethernet/amd/xgbe/xgbe-platform.c index 4d790a89fe771..91842a5e161b3 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-platform.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-platform.c @@ -512,7 +512,7 @@ static int xgbe_platform_probe(struct platform_device *pdev) return ret; } -static int xgbe_platform_remove(struct platform_device *pdev) +static void xgbe_platform_remove(struct platform_device *pdev) { struct xgbe_prv_data *pdata = platform_get_drvdata(pdev); @@ -521,8 +521,6 @@ static int xgbe_platform_remove(struct platform_device *pdev) platform_device_put(pdata->phy_platdev); xgbe_free_pdata(pdata); - - return 0; } #ifdef CONFIG_PM_SLEEP @@ -615,7 +613,7 @@ static struct platform_driver xgbe_driver = { .pm = &xgbe_platform_pm_ops, }, .probe = xgbe_platform_probe, - .remove = xgbe_platform_remove, + .remove_new = xgbe_platform_remove, }; int xgbe_platform_init(void)