linux-kernel - Re: [PATCH] media: atomisp: allocate a v4l2

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Date:   Mon, 8 Nov 2021 13:09:02 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Cc:     linuxarm@...wei.com, mauro.chehab@...wei.com,
        Alan <alan@...ux.intel.com>, Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Tomi Valkeinen <tomi.valkeinen@...asonboard.com>,
        Tsuchiya Yuto <kitakar@...il.com>,
        linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
        linux-staging@...ts.linux.dev
Subject: Re: [PATCH] media: atomisp: allocate a v4l2_fh at open time

On Fri, Nov 05, 2021 at 09:51:38AM +0000, Mauro Carvalho Chehab wrote:
> ---
>  drivers/staging/media/atomisp/pci/atomisp_fops.c | 11 ++++++++++-
>  1 file changed, 10 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/staging/media/atomisp/pci/atomisp_fops.c b/drivers/staging/media/atomisp/pci/atomisp_fops.c
> index 7df982c80b1a..41fa0ca2d8d4 100644
> --- a/drivers/staging/media/atomisp/pci/atomisp_fops.c
> +++ b/drivers/staging/media/atomisp/pci/atomisp_fops.c
> @@ -782,6 +782,15 @@ static int atomisp_open(struct file *file)
>  	 * FIXME: revisit this with a better check once the code structure
>  	 * is cleaned up a bit more
>  	 */
> +dev_info(isp->dev, "opening v4l2 fh\n");

This line looks like debugging code that was committed accidentally?
Not indented.

Doesn't apply for on latest linux-next.  Not sure why.

regards,
dan carpenter

> +	ret = v4l2_fh_open(file);
> +	if (ret) {
> +		dev_err(isp->dev,
> +			"%s: v4l2_fh_open() returned error %d\n",
> +		       __func__, ret);
> +		rt_mutex_unlock(&isp->loading);
> +		return ret;
> +	}