Hi Michael,
On Tuesday 09 August 2011 08:42:20 Michael Jones wrote:
> Add buffer length check to sanity checks for USERPTR QBUF
>
> Signed-off-by: Michael Jones <michael.jones@xxxxxxxxxxxxxxxx>
Acked-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
I'll push the patch to v3.2.
> ---
> Changes for v2:
> - only check when V4L2_MEMORY_USERPTR
>
> drivers/media/video/omap3isp/ispqueue.c | 4 ++++
> 1 files changed, 4 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/media/video/omap3isp/ispqueue.c
> b/drivers/media/video/omap3isp/ispqueue.c index 9c31714..9bebb1e 100644
> --- a/drivers/media/video/omap3isp/ispqueue.c
> +++ b/drivers/media/video/omap3isp/ispqueue.c
> @@ -868,6 +868,10 @@ int omap3isp_video_queue_qbuf(struct isp_video_queue
> *queue, goto done;
>
> if (vbuf->memory == V4L2_MEMORY_USERPTR &&
> + vbuf->length < buf->vbuf.length)
> + goto done;
> +
> + if (vbuf->memory == V4L2_MEMORY_USERPTR &&
> vbuf->m.userptr != buf->vbuf.m.userptr) {
> isp_video_buffer_cleanup(buf);
> buf->vbuf.m.userptr = vbuf->m.userptr;
--
Regards,
Laurent Pinchart
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