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media: rzg2l-core: Convert to platform remove callback returning void

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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>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
This commit is contained in:
Uwe Kleine-König 2023-03-26 16:31:22 +02:00 committed by Hans Verkuil
parent deb64aa72c
commit 76710bde52
1 changed files with 2 additions and 4 deletions
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6
drivers/media/platform/renesas/rzg2l-cru/rzg2l-core.c
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@ -298,7 +298,7 @@ static int rzg2l_cru_probe(struct platform_device *pdev)
return ret;
}
static int rzg2l_cru_remove(struct platform_device *pdev)
static void rzg2l_cru_remove(struct platform_device *pdev)
{
struct rzg2l_cru_dev *cru = platform_get_drvdata(pdev);
@ -312,8 +312,6 @@ static int rzg2l_cru_remove(struct platform_device *pdev)
mutex_destroy(&cru->mdev_lock);
rzg2l_cru_dma_unregister(cru);
return 0;
}
static const struct of_device_id rzg2l_cru_of_id_table[] = {
@ -328,7 +326,7 @@ static struct platform_driver rzg2l_cru_driver = {
.of_match_table = rzg2l_cru_of_id_table,
},
.probe = rzg2l_cru_probe,
.remove = rzg2l_cru_remove,
.remove_new = rzg2l_cru_remove,
};
module_platform_driver(rzg2l_cru_driver);