Hi Katya,
On Thu, Aug 24, 2023 at 12:07:25PM +0300, Katya Orlova wrote:
> s3c_camif_register_video_node() works with video_device structure stored
> as a field of camif_vp,
> so it should not be kfreed. But there is video_device_release() on error
> path that do it.
that's correct, the video_device is allocated with the camif_dev
allocation.
> Found by Linux Verification Center (linuxtesting.org) with SVACE.
>
> Fixes: babde1c243b2 ("[media] V4L: Add driver for S3C24XX/S3C64XX SoC series camera interface")
> Signed-off-by: Katya Orlova <e.orlova@xxxxxxxxx>
> ---
> drivers/media/platform/samsung/s3c-camif/camif-capture.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/drivers/media/platform/samsung/s3c-camif/camif-capture.c b/drivers/media/platform/samsung/s3c-camif/camif-capture.c
> index 76634d242b10..79c8ee845c38 100644
> --- a/drivers/media/platform/samsung/s3c-camif/camif-capture.c
> +++ b/drivers/media/platform/samsung/s3c-camif/camif-capture.c
> @@ -1172,7 +1172,6 @@ int s3c_camif_register_video_node(struct camif_dev *camif, int idx)
> err_me_cleanup:
> media_entity_cleanup(&vfd->entity);
> err_vd_rel:
> - video_device_release(vfd);
The best fix, though, is to completely get rid of the
"err_vd_rel" goto label. You mind doint that on a v2?
Thanks,
Andi
> return ret;
> }
>
> --
> 2.30.2
>
