Re: [libcamera-devel] [PATCH 2/2] media: staging/intel-ipu3: Cleanup dummy buffers via helper

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Hi Umang,

Thank you for the patch.

On Fri, Mar 18, 2022 at 05:48:26PM +0530, Umang Jain via libcamera-devel wrote:
> Use an existing helper imgu_video_nodes_exit() on imgu-video-node
> initialization failure path to cleanup dummy buffers.
> 
> Signed-off-by: Umang Jain <umang.jain@xxxxxxxxxxxxxxxx>

Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>

> ---
>  drivers/staging/media/ipu3/ipu3.c | 25 +++++++++++--------------
>  1 file changed, 11 insertions(+), 14 deletions(-)
> 
> diff --git a/drivers/staging/media/ipu3/ipu3.c b/drivers/staging/media/ipu3/ipu3.c
> index 8e1e9e46e604..0c453b37f8c4 100644
> --- a/drivers/staging/media/ipu3/ipu3.c
> +++ b/drivers/staging/media/ipu3/ipu3.c
> @@ -440,6 +440,16 @@ int imgu_s_stream(struct imgu_device *imgu, int enable)
>  	return r;
>  }
>  
> +static void imgu_video_nodes_exit(struct imgu_device *imgu)
> +{
> +	int i;
> +
> +	for (i = 0; i < IMGU_MAX_PIPE_NUM; i++)
> +		imgu_dummybufs_cleanup(imgu, i);
> +
> +	imgu_v4l2_unregister(imgu);
> +}
> +
>  static int imgu_video_nodes_init(struct imgu_device *imgu)
>  {
>  	struct v4l2_pix_format_mplane *fmts[IPU3_CSS_QUEUES] = { NULL };
> @@ -489,24 +499,11 @@ static int imgu_video_nodes_init(struct imgu_device *imgu)
>  	return 0;
>  
>  out_cleanup:
> -	for (j = 0; j < IMGU_MAX_PIPE_NUM; j++)
> -		imgu_dummybufs_cleanup(imgu, j);
> -
> -	imgu_v4l2_unregister(imgu);
> +	imgu_video_nodes_exit(imgu);
>  
>  	return r;
>  }
>  
> -static void imgu_video_nodes_exit(struct imgu_device *imgu)
> -{
> -	int i;
> -
> -	for (i = 0; i < IMGU_MAX_PIPE_NUM; i++)
> -		imgu_dummybufs_cleanup(imgu, i);
> -
> -	imgu_v4l2_unregister(imgu);
> -}
> -
>  /**************** PCI interface ****************/
>  
>  static irqreturn_t imgu_isr_threaded(int irq, void *imgu_ptr)

-- 
Regards,

Laurent Pinchart



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