[PATCH 2/2] media: stm32-dcmi: fix probe error path & module remove

[Alain Volmat]

This commit add missing vb2_queue_release calls with the
probe error path and module remove.
Missing v4l2_async_notifier_unregister is also added within
the probe error path

Fixes: 37404f91ef8b ("[media] stm32-dcmi: STM32 DCMI camera interface driver")
Signed-off-by: Alain Volmat <alain.vol...@st.com>
---
 drivers/media/platform/stm32/stm32-dcmi.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/media/platform/stm32/stm32-dcmi.c 
b/drivers/media/platform/stm32/stm32-dcmi.c
index 5e60d4c6eeeb..57830ee691be 100644
--- a/drivers/media/platform/stm32/stm32-dcmi.c
+++ b/drivers/media/platform/stm32/stm32-dcmi.c
@@ -2004,7 +2004,7 @@ static int dcmi_probe(struct platform_device *pdev)
 
        ret = dcmi_graph_init(dcmi);
        if (ret < 0)
-               goto err_media_entity_cleanup;
+               goto err_vb2_queue_release;
 
        /* Reset device */
        ret = reset_control_assert(dcmi->rstc);
@@ -2030,7 +2030,10 @@ static int dcmi_probe(struct platform_device *pdev)
        return 0;
 
 err_cleanup:
+       v4l2_async_notifier_unregister(&dcmi->notifier);
        v4l2_async_notifier_cleanup(&dcmi->notifier);
+err_vb2_queue_release:
+       vb2_queue_release(q);
 err_media_entity_cleanup:
        media_entity_cleanup(&dcmi->vdev->entity);
 err_device_release:
@@ -2052,6 +2055,7 @@ static int dcmi_remove(struct platform_device *pdev)
 
        v4l2_async_notifier_unregister(&dcmi->notifier);
        v4l2_async_notifier_cleanup(&dcmi->notifier);
+       vb2_queue_release(&dcmi->queue);
        media_entity_cleanup(&dcmi->vdev->entity);
        v4l2_device_unregister(&dcmi->v4l2_dev);
        media_device_cleanup(&dcmi->mdev);
-- 
2.7.4