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[19/30] pwm: samsung: Convert to platform remove callback returning void

Message ID 20230303185445.2112695-20-u.kleine-koenig@pengutronix.de
State New
Headers show
Series pwm: Convert to platform remove callback returning void | expand

Commit Message

Uwe Kleine-König March 3, 2023, 6:54 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

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/pwm/pwm-samsung.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)
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diff --git a/drivers/pwm/pwm-samsung.c b/drivers/pwm/pwm-samsung.c
index 9c5b4f515641..e8828f57ab15 100644
--- a/drivers/pwm/pwm-samsung.c
+++ b/drivers/pwm/pwm-samsung.c
@@ -621,15 +621,13 @@  static int pwm_samsung_probe(struct platform_device *pdev)
 	return 0;
-static int pwm_samsung_remove(struct platform_device *pdev)
+static void pwm_samsung_remove(struct platform_device *pdev)
 	struct samsung_pwm_chip *chip = platform_get_drvdata(pdev);
-	return 0;
@@ -676,7 +674,7 @@  static struct platform_driver pwm_samsung_driver = {
 		.of_match_table = of_match_ptr(samsung_pwm_matches),
 	.probe		= pwm_samsung_probe,
-	.remove		= pwm_samsung_remove,
+	.remove_new	= pwm_samsung_remove,