From cd634f1bfc182e564f33809fdca33027bb99fceb Mon Sep 17 00:00:00 2001
From: Hans Verkuil <hans.verkuil@cisco.com>
Date: Wed, 27 Mar 2013 08:04:23 -0300
Subject: [media] v4l2: put VIDIOC_DBG_G_CHIP_NAME under ADV_DEBUG

Only enable this ioctl if the VIDEO_ADV_DEBUG config option is set. This
prevents abuse from both userspace and kernelspace (some bridge drivers
abuse DBG_G_CHIP_IDENT, lets prevent that from happening again with this
ioctl).

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 Documentation/DocBook/media/v4l/vidioc-dbg-g-chip-name.xml | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'Documentation/DocBook')

diff --git a/Documentation/DocBook/media/v4l/vidioc-dbg-g-chip-name.xml b/Documentation/DocBook/media/v4l/vidioc-dbg-g-chip-name.xml
index 4921346fabd7..5fce8d84288e 100644
--- a/Documentation/DocBook/media/v4l/vidioc-dbg-g-chip-name.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-dbg-g-chip-name.xml
@@ -63,6 +63,9 @@ card. Regular applications must not use it. When you found a chip
 specific bug, please contact the linux-media mailing list (&v4l-ml;)
 so it can be fixed.</para>
 
+    <para>Additionally the Linux kernel must be compiled with the
+<constant>CONFIG_VIDEO_ADV_DEBUG</constant> option to enable this ioctl.</para>
+
     <para>To query the driver applications must initialize the
 <structfield>match.type</structfield> and
 <structfield>match.addr</structfield> or <structfield>match.name</structfield>
-- 
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