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

Message ID 20231012114642.19040-17-benjamin.gaignard@collabora.com
State New
Headers
Series Add DELETE_BUF ioctl |

Commit Message

Benjamin Gaignard Oct. 12, 2023, 11:46 a.m. UTC
  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>
---
 drivers/staging/media/atomisp/pci/atomisp_ioctl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
  

Comments

Hans de Goede Oct. 12, 2023, 12:10 p.m. UTC | #1
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];
  

Patch

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];