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authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>2023-03-14 19:01:00 +0100
committerBjorn Andersson <andersson@kernel.org>2023-07-15 13:04:25 -0700
commit4cf16b6b743e0bbe3128cf97a193ee37110d597b (patch)
treedd3c0159b6039e3685a62717c00253f224353f75 /drivers/hwspinlock
parent72a3a509f992b6bd182b3380913fe7b4f801075f (diff)
hwspinlock: omap: 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 (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> Acked-by: Baolin Wang <baolin.wang@linux.alibaba.com> Link: https://lore.kernel.org/r/20230314180100.2865801-2-u.kleine-koenig@pengutronix.de Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Diffstat (limited to 'drivers/hwspinlock')
-rw-r--r--drivers/hwspinlock/omap_hwspinlock.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/hwspinlock/omap_hwspinlock.c b/drivers/hwspinlock/omap_hwspinlock.c
index a2538c67396f..a9fd9ca45f2a 100644
--- a/drivers/hwspinlock/omap_hwspinlock.c
+++ b/drivers/hwspinlock/omap_hwspinlock.c
@@ -145,7 +145,7 @@ runtime_err:
return ret;
}
-static int omap_hwspinlock_remove(struct platform_device *pdev)
+static void omap_hwspinlock_remove(struct platform_device *pdev)
{
struct hwspinlock_device *bank = platform_get_drvdata(pdev);
int ret;
@@ -153,12 +153,10 @@ static int omap_hwspinlock_remove(struct platform_device *pdev)
ret = hwspin_lock_unregister(bank);
if (ret) {
dev_err(&pdev->dev, "%s failed: %d\n", __func__, ret);
- return 0;
+ return;
}
pm_runtime_disable(&pdev->dev);
-
- return 0;
}
static const struct of_device_id omap_hwspinlock_of_match[] = {
@@ -171,7 +169,7 @@ MODULE_DEVICE_TABLE(of, omap_hwspinlock_of_match);
static struct platform_driver omap_hwspinlock_driver = {
.probe = omap_hwspinlock_probe,
- .remove = omap_hwspinlock_remove,
+ .remove_new = omap_hwspinlock_remove,
.driver = {
.name = "omap_hwspinlock",
.of_match_table = omap_hwspinlock_of_match,