Just one comment:

On Wednesday, August 10, 2011 10:21:28 Marek Szyprowski wrote:
> Videobuf2 accepted any userptr buffer without verifying if its size is
> large enough to store the video data from the driver. The driver reports
> the minimal size of video data once in queue_setup and expects that
> videobuf2 provides buffers that match these requirements. This patch
> adds the required check.
> 
> Reported-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
> Signed-off-by: Marek Szyprowski <m.szyprow...@samsung.com>
> Signed-off-by: Kyungmin Park <kyungmin.p...@samsung.com>
> CC: Pawel Osciak <pa...@osciak.com>
> ---
>  drivers/media/video/videobuf2-core.c |   41 
+++++++++++++++++++--------------
>  include/media/videobuf2-core.h       |    1 +
>  2 files changed, 25 insertions(+), 17 deletions(-)
> 

<snip>

> diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h
> index f87472a..496d6e5 100644
> --- a/include/media/videobuf2-core.h
> +++ b/include/media/videobuf2-core.h
> @@ -276,6 +276,7 @@ struct vb2_queue {
>       wait_queue_head_t               done_wq;
>  
>       void                            *alloc_ctx[VIDEO_MAX_PLANES];
> +     unsigned long                   plane_sizes[VIDEO_MAX_PLANES];

Why unsigned long when it is a u32 in struct v4l2_plane_pix_format?

unsigned long is 64 bit on a 64-bit OS, so that seems wasteful to me.

Regards,

        Hans

>  
>       unsigned int                    streaming:1;
>  
> -- 
> 1.7.1.569.g6f426
> 
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