linux-kernel - Re: [PATCH v5 02/13] media: atmel: atmel-isc-base: replace is_streaming call in s_fmt_vid

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Message-ID: <20220223170551.6wbehkwjsddfzg5h@uno.localdomain>
Date:   Wed, 23 Feb 2022 18:05:51 +0100
From:   Jacopo Mondi <jacopo@...ndi.org>
To:     Eugen Hristev <eugen.hristev@...rochip.com>
Cc:     linux-media@...r.kernel.org, hverkuil-cisco@...all.nl,
        nicolas.ferre@...rochip.com, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        claudiu.beznea@...rochip.com, Hans Verkuil <hverkuil@...all.nl>
Subject: Re: [PATCH v5 02/13] media: atmel: atmel-isc-base: replace
 is_streaming call in s_fmt_vid_cap

Hi Eugen

On Thu, Feb 17, 2022 at 03:56:34PM +0200, Eugen Hristev wrote:
> In s_fmt_vid_cap, we should check if vb2_is_busy and return EBUSY,
> not check if it's streaming to return the busy state.
>
> Suggested-by: Hans Verkuil <hverkuil@...all.nl>
> Signed-off-by: Eugen Hristev <eugen.hristev@...rochip.com>

Reviewed-by: Jacopo Mondi <jacopo@...ndi.org>

Thanks
   j

> ---
>  drivers/media/platform/atmel/atmel-isc-base.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/media/platform/atmel/atmel-isc-base.c b/drivers/media/platform/atmel/atmel-isc-base.c
> index d2cc6c99984f..67b4a2323fed 100644
> --- a/drivers/media/platform/atmel/atmel-isc-base.c
> +++ b/drivers/media/platform/atmel/atmel-isc-base.c
> @@ -1029,7 +1029,7 @@ static int isc_s_fmt_vid_cap(struct file *file, void *priv,
>  {
>  	struct isc_device *isc = video_drvdata(file);
>
> -	if (vb2_is_streaming(&isc->vb2_vidq))
> +	if (vb2_is_busy(&isc->vb2_vidq))
>  		return -EBUSY;
>
>  	return isc_set_fmt(isc, f);
> --
> 2.25.1
>