if (nonblocking)
return __v4l2_event_dequeue(fh, event);
+ /* Release the vdev lock while waiting */
+ if (fh->vdev->lock)
+ mutex_unlock(fh->vdev->lock);
+
do {
ret = wait_event_interruptible(events->wait,
events->navailable != 0);
if (ret < 0)
- return ret;
+ break;
ret = __v4l2_event_dequeue(fh, event);
} while (ret == -ENOENT);
+ if (fh->vdev->lock)
+ mutex_lock(fh->vdev->lock);
+
return ret;
}
EXPORT_SYMBOL_GPL(v4l2_event_dequeue);