diff mbox series

[net-next,33/54] net: ethernet: microchip: Convert to platform remove callback returning void

Message ID 20230918204227.1316886-34-u.kleine-koenig@pengutronix.de (mailing list archive)
State Accepted
Commit 5253ae3a6223be467461d183c3836b6eb3e22258
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: 1340 this patch: 1340
netdev/cc_maintainers success CCed 12 of 12 maintainers
netdev/build_clang success Errors and warnings before: 1363 this patch: 1363
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: 1363 this patch: 1363
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 46 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/microchip/lan966x/lan966x_main.c | 6 ++----
 drivers/net/ethernet/microchip/sparx5/sparx5_main.c   | 6 ++----
 2 files changed, 4 insertions(+), 8 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_main.c b/drivers/net/ethernet/microchip/lan966x/lan966x_main.c
index 0d6e79af2410..8e4101628fbd 100644
--- a/drivers/net/ethernet/microchip/lan966x/lan966x_main.c
+++ b/drivers/net/ethernet/microchip/lan966x/lan966x_main.c
@@ -1261,7 +1261,7 @@  static int lan966x_probe(struct platform_device *pdev)
 	return err;
 }
 
-static int lan966x_remove(struct platform_device *pdev)
+static void lan966x_remove(struct platform_device *pdev)
 {
 	struct lan966x *lan966x = platform_get_drvdata(pdev);
 
@@ -1280,13 +1280,11 @@  static int lan966x_remove(struct platform_device *pdev)
 	lan966x_ptp_deinit(lan966x);
 
 	debugfs_remove_recursive(lan966x->debugfs_root);
-
-	return 0;
 }
 
 static struct platform_driver lan966x_driver = {
 	.probe = lan966x_probe,
-	.remove = lan966x_remove,
+	.remove_new = lan966x_remove,
 	.driver = {
 		.name = "lan966x-switch",
 		.of_match_table = lan966x_match,
diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_main.c b/drivers/net/ethernet/microchip/sparx5/sparx5_main.c
index dc9af480bfea..d1f7fc8b1b71 100644
--- a/drivers/net/ethernet/microchip/sparx5/sparx5_main.c
+++ b/drivers/net/ethernet/microchip/sparx5/sparx5_main.c
@@ -911,7 +911,7 @@  static int mchp_sparx5_probe(struct platform_device *pdev)
 	return err;
 }
 
-static int mchp_sparx5_remove(struct platform_device *pdev)
+static void mchp_sparx5_remove(struct platform_device *pdev)
 {
 	struct sparx5 *sparx5 = platform_get_drvdata(pdev);
 
@@ -931,8 +931,6 @@  static int mchp_sparx5_remove(struct platform_device *pdev)
 	/* Unregister netdevs */
 	sparx5_unregister_notifier_blocks(sparx5);
 	destroy_workqueue(sparx5->mact_queue);
-
-	return 0;
 }
 
 static const struct of_device_id mchp_sparx5_match[] = {
@@ -943,7 +941,7 @@  MODULE_DEVICE_TABLE(of, mchp_sparx5_match);
 
 static struct platform_driver mchp_sparx5_driver = {
 	.probe = mchp_sparx5_probe,
-	.remove = mchp_sparx5_remove,
+	.remove_new = mchp_sparx5_remove,
 	.driver = {
 		.name = "sparx5-switch",
 		.of_match_table = mchp_sparx5_match,