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[76/87] spi: sunplus-sp7021: Convert to platform remove callback returning void

Message ID 20230303172041.2103336-77-u.kleine-koenig@pengutronix.de (mailing list archive)
State Accepted
Commit 18bb7328171203f4ade267bcd7cf5b073a1a9405
Headers show
Series spi: Convert to platform remove callback returning void | expand

Commit Message

Uwe Kleine-König March 3, 2023, 5:20 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 (mostly) ignored
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.

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>
---
 drivers/spi/spi-sunplus-sp7021.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)
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Patch

diff --git a/drivers/spi/spi-sunplus-sp7021.c b/drivers/spi/spi-sunplus-sp7021.c
index f1fa88777575..eb8f835a4771 100644
--- a/drivers/spi/spi-sunplus-sp7021.c
+++ b/drivers/spi/spi-sunplus-sp7021.c
@@ -504,14 +504,13 @@  static int sp7021_spi_controller_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static int sp7021_spi_controller_remove(struct platform_device *pdev)
+static void sp7021_spi_controller_remove(struct platform_device *pdev)
 {
 	struct spi_controller *ctlr = dev_get_drvdata(&pdev->dev);
 
 	spi_unregister_controller(ctlr);
 	pm_runtime_disable(&pdev->dev);
 	pm_runtime_set_suspended(&pdev->dev);
-	return 0;
 }
 
 static int __maybe_unused sp7021_spi_controller_suspend(struct device *dev)
@@ -564,7 +563,7 @@  MODULE_DEVICE_TABLE(of, sp7021_spi_controller_ids);
 
 static struct platform_driver sp7021_spi_controller_driver = {
 	.probe = sp7021_spi_controller_probe,
-	.remove = sp7021_spi_controller_remove,
+	.remove_new = sp7021_spi_controller_remove,
 	.driver = {
 		.name = "sunplus,sp7021-spi-controller",
 		.of_match_table = sp7021_spi_controller_ids,