media: microchip-csi2dc: 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>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>

diff --git a/drivers/media/platform/microchip/microchip-csi2dc.c b/drivers/media/platform/microchip/microchip-csi2dc.c
index d5b359f607ae95df2cccc88853c8be06c82b3ae5..bfb3edcf018a86f4c5692d63888142f401295184 100644 (file)
--- a/drivers/media/platform/microchip/microchip-csi2dc.c
+++ b/drivers/media/platform/microchip/microchip-csi2dc.c
@@ -741,7 +741,7 @@ csi2dc_probe_cleanup_entity:
        return ret;
 }
 
-static int csi2dc_remove(struct platform_device *pdev)
+static void csi2dc_remove(struct platform_device *pdev)
 {
        struct csi2dc_device *csi2dc = platform_get_drvdata(pdev);
 
@@ -751,8 +751,6 @@ static int csi2dc_remove(struct platform_device *pdev)
        v4l2_async_nf_unregister(&csi2dc->notifier);
        v4l2_async_nf_cleanup(&csi2dc->notifier);
        media_entity_cleanup(&csi2dc->csi2dc_sd.entity);
-
-       return 0;
 }
 
 static int __maybe_unused csi2dc_runtime_suspend(struct device *dev)
@@ -782,7 +780,7 @@ MODULE_DEVICE_TABLE(of, csi2dc_of_match);
 
 static struct platform_driver csi2dc_driver = {
        .probe  = csi2dc_probe,
-       .remove = csi2dc_remove,
+       .remove_new = csi2dc_remove,
        .driver = {
                .name =                 "microchip-csi2dc",
                .pm =                   &csi2dc_dev_pm_ops,