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Message-ID: <52420.62.70.2.252.1232635748.squirrel@webmail.xs4all.nl>
Date:	Thu, 22 Jan 2009 15:49:08 +0100 (CET)
From:	"Hans Verkuil" <hverkuil@...all.nl>
To:	"Roel Kluin" <roel.kluin@...il.com>
Cc:	"Mauro Carvalho Chehab" <mchehab@...radead.org>,
	linux-media@...r.kernel.org, video4linux-list@...hat.com,
	"lkml" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] V4L/DVB: fix 
     v4l2_device_call_all/v4l2_device_call_until_err macro


> When these macros aren't called with 'grp_id' this will result in a
> build failure.

Hi Roel,

Thanks, however it is fixed already in the v4l-dvb repo so it should
appear upstream as soon as Mauro prepares the next pull request.

Regards,

       Hans

>
> Signed-off-by: Roel Kluin <roel.kluin@...il.com>
> ---
> diff --git a/include/media/v4l2-device.h b/include/media/v4l2-device.h
> index 9bf4ccc..ad86caa 100644
> --- a/include/media/v4l2-device.h
> +++ b/include/media/v4l2-device.h
> @@ -94,16 +94,16 @@ void v4l2_device_unregister_subdev(struct v4l2_subdev
> *sd);
>  /* Call the specified callback for all subdevs matching grp_id (if 0,
> then
>     match them all). Ignore any errors. Note that you cannot add or delete
>     a subdev while walking the subdevs list. */
> -#define v4l2_device_call_all(dev, grp_id, o, f, args...) 		\
> +#define v4l2_device_call_all(dev, _grp_id, o, f, args...) 		\
>  	__v4l2_device_call_subdevs(dev, 				\
> -			!(grp_id) || sd->grp_id == (grp_id), o, f , ##args)
> +			!(_grp_id) || sd->grp_id == (_grp_id), o, f , ##args)
>
>  /* Call the specified callback for all subdevs matching grp_id (if 0,
> then
>     match them all). If the callback returns an error other than 0 or
>     -ENOIOCTLCMD, then return with that error code. Note that you cannot
>     add or delete a subdev while walking the subdevs list. */
> -#define v4l2_device_call_until_err(dev, grp_id, o, f, args...) 		\
> +#define v4l2_device_call_until_err(dev, _grp_id, o, f, args...) 		\
>  	__v4l2_device_call_subdevs_until_err(dev,			\
> -		       !(grp_id) || sd->grp_id == (grp_id), o, f , ##args)
> +		       !(_grp_id) || sd->grp_id == (_grp_id), o, f , ##args)
>
>  #endif
>
> --
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>


-- 
Hans Verkuil - video4linux developer - sponsored by TANDBERG

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