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authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>2023-11-04 22:15:12 +0100
committerSebastian Reichel <sebastian.reichel@collabora.com>2023-11-15 23:15:39 +0100
commit6f7be7b2f15a654a5f08b7d37df282c171b9380b (patch)
treee47de23a277f1b067525a7b91a1144aed6006cfa /drivers/power
parent1a0457ab2ce81d92c2077a79080141d924884c5f (diff)
downloadlwn-6f7be7b2f15a654a5f08b7d37df282c171b9380b.tar.gz
lwn-6f7be7b2f15a654a5f08b7d37df282c171b9380b.zip
power: reset: regulator-poweroff: 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() will be 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> Link: https://lore.kernel.org/r/20231104211501.3676352-26-u.kleine-koenig@pengutronix.de Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Diffstat (limited to 'drivers/power')
-rw-r--r--drivers/power/reset/regulator-poweroff.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/power/reset/regulator-poweroff.c b/drivers/power/reset/regulator-poweroff.c
index 7f87fbb8b051..15160809c423 100644
--- a/drivers/power/reset/regulator-poweroff.c
+++ b/drivers/power/reset/regulator-poweroff.c
@@ -52,12 +52,10 @@ static int regulator_poweroff_probe(struct platform_device *pdev)
return 0;
}
-static int regulator_poweroff_remove(__maybe_unused struct platform_device *pdev)
+static void regulator_poweroff_remove(struct platform_device *pdev)
{
if (pm_power_off == &regulator_poweroff_do_poweroff)
pm_power_off = NULL;
-
- return 0;
}
static const struct of_device_id of_regulator_poweroff_match[] = {
@@ -68,7 +66,7 @@ MODULE_DEVICE_TABLE(of, of_regulator_poweroff_match);
static struct platform_driver regulator_poweroff_driver = {
.probe = regulator_poweroff_probe,
- .remove = regulator_poweroff_remove,
+ .remove_new = regulator_poweroff_remove,
.driver = {
.name = "poweroff-regulator",
.of_match_table = of_regulator_poweroff_match,