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V4L/DVB: V4L: Events: Replace bad WARN_ON() with assert_spin_locked()

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spin_is_locked() always returns zero when spinlock debugging is
disabled on a single CPU machine. Replace WARN_ON() with
assert_spin_locked().

Thanks to Laurent Pinchart for spotting this!

Signed-off-by: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Sakari Ailus 2010-05-03 12:42:46 -03:00 committed by Mauro Carvalho Chehab
parent 5a11b6fe5d
commit f3cd385a9c
1 changed files with 1 additions and 1 deletions
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2
drivers/media/video/v4l2-event.c
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@ -152,7 +152,7 @@ static struct v4l2_subscribed_event *v4l2_event_subscribed(
struct v4l2_events *events = fh->events;
struct v4l2_subscribed_event *sev;
WARN_ON(!spin_is_locked(&fh->vdev->fh_lock));
assert_spin_locked(&fh->vdev->fh_lock);
list_for_each_entry(sev, &events->subscribed, list) {
if (sev->type == type)