diff options
| author | Hans de Goede | 2011-10-24 05:03:27 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab | 2011-11-08 10:29:05 -0200 |
| commit | b36b505965e374b284166c2e6b9c1d369d663ea9 (patch) | |
| tree | 9fb6b153465e712422dc3ed57381c4be9b36a0c9 /drivers/media | |
| parent | 60659dd49509f255ad9748411cd4eb3c74a8d8a9 (diff) | |
[media] v4l2-event: Deny subscribing with a type of V4L2_EVENT_ALL
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/video/v4l2-event.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/media/video/v4l2-event.c b/drivers/media/video/v4l2-event.c index 53b190cf225e..9f56f18d509f 100644 --- a/drivers/media/video/v4l2-event.c +++ b/drivers/media/video/v4l2-event.c @@ -215,6 +215,9 @@ int v4l2_event_subscribe(struct v4l2_fh *fh, unsigned long flags; unsigned i; + if (sub->type == V4L2_EVENT_ALL) + return -EINVAL; + if (elems < 1) elems = 1; if (sub->type == V4L2_EVENT_CTRL) { |