Re: [PATCH] [media] stk1160: Check *nplanes in queue_setup

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On 05/10/2016 05:06 AM, Helen Koike wrote:
> If *nplanes is not zero, it should use the requested size if valid

*nplanes is never 0 since the create_buffers ioctl isn't implemented in
this driver.

Adding support for it (simply use vb2_create_buffers) would make sense.

Regards,

	Hans

> 
> Signed-off-by: Helen Koike <helen.koike@xxxxxxxxxxxxxxx>
> ---
>  drivers/media/usb/stk1160/stk1160-v4l.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/media/usb/stk1160/stk1160-v4l.c b/drivers/media/usb/stk1160/stk1160-v4l.c
> index 77131fd..7ddbc02 100644
> --- a/drivers/media/usb/stk1160/stk1160-v4l.c
> +++ b/drivers/media/usb/stk1160/stk1160-v4l.c
> @@ -680,6 +680,9 @@ static int queue_setup(struct vb2_queue *vq,
>  	*nbuffers = clamp_t(unsigned int, *nbuffers,
>  			STK1160_MIN_VIDEO_BUFFERS, STK1160_MAX_VIDEO_BUFFERS);
>  
> +	if (*nplanes)
> +		return sizes[0] < size ? -EINVAL : 0;
> +
>  	/* This means a packed colorformat */
>  	*nplanes = 1;
>  
> 
--
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