Re: [PATCH v11 16/56] media: atomisp: Use vb2_get_buffer() instead of directly access to buffers array

Hans de Goede
2023-10-12T12:10:33Z

Hi,

On 10/12/23 13:46, Benjamin Gaignard wrote:
> Use vb2_get_buffer() instead of directly access to vb2_buffer buffer array.
> This could allow to change the type bufs[] field of vb2_buffer structure if
> needed.
> No need to check the result of vb2_get_buffer, vb2_ioctl_dqbuf() already
> checked that it is valid.
>
> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
> CC: Hans de Goede <hdegoede@redhat.com>
> CC: Mauro Carvalho Chehab <mchehab@kernel.org>
> CC: Sakari Ailus <sakari.ailus@linux.intel.com>

Thanks, patch looks good to me:

Reviewed-by: Hans de Goede <hdegoede@redhat.com>

Regards,

Hans

> ---
> drivers/staging/media/atomisp/pci/atomisp_ioctl.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/staging/media/atomisp/pci/atomisp_ioctl.c b/drivers/staging/media/atomisp/pci/atomisp_ioctl.c
> index a8e4779d007f..a8a964b2f1a8 100644
> --- a/drivers/staging/media/atomisp/pci/atomisp_ioctl.c
> +++ b/drivers/staging/media/atomisp/pci/atomisp_ioctl.c
> @@ -1059,7 +1059,7 @@ static int atomisp_dqbuf_wrapper(struct file *file, void *fh, struct v4l2_buffer
> if (ret)
> return ret;
>
> - vb = pipe->vb_queue.bufs[buf->index];
> + vb = vb2_get_buffer(&pipe->vb_queue, buf->index);
> frame = vb_to_frame(vb);
>
> buf->reserved = asd->frame_status[buf->index];