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authorHans Verkuil <hans.verkuil@cisco.com>2013-03-27 08:04:23 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2013-04-14 19:45:23 -0300
commitcd634f1bfc182e564f33809fdca33027bb99fceb (patch)
treee81c3b626866a64b8152576cb500ee2fc2fe40a0 /Documentation/DocBook/media/v4l
parentdfc2e12df02d49a1567bc90989ceef870cf5b147 (diff)
downloadblackbird-obmc-linux-cd634f1bfc182e564f33809fdca33027bb99fceb.tar.gz
blackbird-obmc-linux-cd634f1bfc182e564f33809fdca33027bb99fceb.zip
[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>
Diffstat (limited to 'Documentation/DocBook/media/v4l')
-rw-r--r--Documentation/DocBook/media/v4l/vidioc-dbg-g-chip-name.xml3
1 files changed, 3 insertions, 0 deletions
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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