linux-kernel - Confusion in usr/include/linux/videodev.h

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Date:	Wed, 21 Jan 2009 07:10:38 +0530
From:	Jaswinder Singh Rajput <jaswinder@...nel.org>
To:	mchehab@...radead.org, linux-media@...r.kernel.org,
	video4linux-list@...hat.com, Sam Ravnborg <sam@...nborg.org>,
	Ingo Molnar <mingo@...e.hu>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Confusion in usr/include/linux/videodev.h

usr/include/linux/videodev.h is giving 2 warnings in 'make headers_check':
 usr/include/linux/videodev.h:19: leaks CONFIG_VIDEO to userspace where it is not valid
 usr/include/linux/videodev.h:314: leaks CONFIG_VIDEO to userspace where it is not valid

Whole file is covered with #if defined(CONFIG_VIDEO_V4L1_COMPAT) || !defined (__KERNEL__)

It means this file is only valid for kernel mode if CONFIG_VIDEO_V4L1_COMPAT is defined but in user mode it is always valid.
		
Can we choose some better alternative Or can we use this file as:

#ifdef CONFIG_VIDEO_V4L1_COMPAT
#include <linux/videodev.h>
#endif


Thanks
--
JSR


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