net: ethernet: ethoc: Convert to platform remove callback returning void

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 <u.kleine-koenig@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/ethoc.c b/drivers/net/ethernet/ethoc.c
index 95cbad198b4b6ea113b0b5af7bbb8cde3b93d6fb..ad41c90190180c46150d53df681a363abb5ec7e3 100644 (file)
--- a/drivers/net/ethernet/ethoc.c
+++ b/drivers/net/ethernet/ethoc.c
@@ -1254,7 +1254,7 @@ out:
  * ethoc_remove - shutdown OpenCores ethernet MAC
  * @pdev:      platform device
  */
-static int ethoc_remove(struct platform_device *pdev)
+static void ethoc_remove(struct platform_device *pdev)
 {
        struct net_device *netdev = platform_get_drvdata(pdev);
        struct ethoc *priv = netdev_priv(netdev);
@@ -1271,8 +1271,6 @@ static int ethoc_remove(struct platform_device *pdev)
                unregister_netdev(netdev);
                free_netdev(netdev);
        }
-
-       return 0;
 }
 
 #ifdef CONFIG_PM
@@ -1298,7 +1296,7 @@ MODULE_DEVICE_TABLE(of, ethoc_match);
 
 static struct platform_driver ethoc_driver = {
        .probe   = ethoc_probe,
-       .remove  = ethoc_remove,
+       .remove_new = ethoc_remove,
        .suspend = ethoc_suspend,
        .resume  = ethoc_resume,
        .driver  = {