diff mbox series

[net-next,51/54] net: ethernet: via: Convert to platform remove callback returning void

Message ID 20230918204227.1316886-52-u.kleine-koenig@pengutronix.de (mailing list archive)
State Accepted
Commit 70680f17828048ddcf293de729970973cd3831ab
Delegated to: Netdev Maintainers
Headers show
Series net: ethernet: Convert to platform remove callback returning void | expand

Checks

Context Check Description
netdev/series_format fail Series longer than 15 patches (and no cover letter)
netdev/tree_selection success Clearly marked for net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 1362 this patch: 1362
netdev/cc_maintainers success CCed 7 of 7 maintainers
netdev/build_clang success Errors and warnings before: 1365 this patch: 1365
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 1385 this patch: 1385
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 44 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Uwe Kleine-König Sept. 18, 2023, 8:42 p.m. UTC
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 <u.kleine-koenig@pengutronix.de>
---
 drivers/net/ethernet/via/via-rhine.c    | 6 ++----
 drivers/net/ethernet/via/via-velocity.c | 6 ++----
 2 files changed, 4 insertions(+), 8 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/via/via-rhine.c b/drivers/net/ethernet/via/via-rhine.c
index 3e09e5036490..e80c02948801 100644
--- a/drivers/net/ethernet/via/via-rhine.c
+++ b/drivers/net/ethernet/via/via-rhine.c
@@ -2443,7 +2443,7 @@  static void rhine_remove_one_pci(struct pci_dev *pdev)
 	pci_disable_device(pdev);
 }
 
-static int rhine_remove_one_platform(struct platform_device *pdev)
+static void rhine_remove_one_platform(struct platform_device *pdev)
 {
 	struct net_device *dev = platform_get_drvdata(pdev);
 	struct rhine_private *rp = netdev_priv(dev);
@@ -2453,8 +2453,6 @@  static int rhine_remove_one_platform(struct platform_device *pdev)
 	iounmap(rp->base);
 
 	free_netdev(dev);
-
-	return 0;
 }
 
 static void rhine_shutdown_pci(struct pci_dev *pdev)
@@ -2572,7 +2570,7 @@  static struct pci_driver rhine_driver_pci = {
 
 static struct platform_driver rhine_driver_platform = {
 	.probe		= rhine_init_one_platform,
-	.remove		= rhine_remove_one_platform,
+	.remove_new	= rhine_remove_one_platform,
 	.driver = {
 		.name	= DRV_NAME,
 		.of_match_table	= rhine_of_tbl,
diff --git a/drivers/net/ethernet/via/via-velocity.c b/drivers/net/ethernet/via/via-velocity.c
index 731f689412e6..1c6b2a9bba08 100644
--- a/drivers/net/ethernet/via/via-velocity.c
+++ b/drivers/net/ethernet/via/via-velocity.c
@@ -2957,11 +2957,9 @@  static int velocity_platform_probe(struct platform_device *pdev)
 	return velocity_probe(&pdev->dev, irq, info, BUS_PLATFORM);
 }
 
-static int velocity_platform_remove(struct platform_device *pdev)
+static void velocity_platform_remove(struct platform_device *pdev)
 {
 	velocity_remove(&pdev->dev);
-
-	return 0;
 }
 
 #ifdef CONFIG_PM_SLEEP
@@ -3249,7 +3247,7 @@  static struct pci_driver velocity_pci_driver = {
 
 static struct platform_driver velocity_platform_driver = {
 	.probe		= velocity_platform_probe,
-	.remove		= velocity_platform_remove,
+	.remove_new	= velocity_platform_remove,
 	.driver = {
 		.name = "via-velocity",
 		.of_match_table = velocity_of_ids,