[PATCH v2 1/2] media: rkisp1: Fix media device memory leak

From: Tomi Valkeinen
Date: Wed Nov 22 2023 - 11:12:39 EST


Add missing calls to media_device_cleanup() to fix memory leak.

Fixes: d65dd85281fb ("media: staging: rkisp1: add Rockchip ISP1 base driver")
Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Reviewed-by: Tommaso Merciai <tomm.merciai@xxxxxxxxx>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxxxxxxxxxxxx>
---
drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c
index c41abd2833f1..894d5afaff4e 100644
--- a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c
+++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c
@@ -582,7 +582,7 @@ static int rkisp1_probe(struct platform_device *pdev)

ret = v4l2_device_register(rkisp1->dev, &rkisp1->v4l2_dev);
if (ret)
- goto err_pm_runtime_disable;
+ goto err_media_dev_cleanup;

ret = media_device_register(&rkisp1->media_dev);
if (ret) {
@@ -617,6 +617,8 @@ static int rkisp1_probe(struct platform_device *pdev)
media_device_unregister(&rkisp1->media_dev);
err_unreg_v4l2_dev:
v4l2_device_unregister(&rkisp1->v4l2_dev);
+err_media_dev_cleanup:
+ media_device_cleanup(&rkisp1->media_dev);
err_pm_runtime_disable:
pm_runtime_disable(&pdev->dev);
return ret;
@@ -637,6 +639,8 @@ static void rkisp1_remove(struct platform_device *pdev)
media_device_unregister(&rkisp1->media_dev);
v4l2_device_unregister(&rkisp1->v4l2_dev);

+ media_device_cleanup(&rkisp1->media_dev);
+
pm_runtime_disable(&pdev->dev);
}


--
2.34.1