diff options
| -rw-r--r-- | drivers/media/common/videobuf2/videobuf2-core.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/media/common/videobuf2/videobuf2-core.c b/drivers/media/common/videobuf2/videobuf2-core.c index 29a8d876e6c2..6335ac7b771a 100644 --- a/drivers/media/common/videobuf2/videobuf2-core.c +++ b/drivers/media/common/videobuf2/videobuf2-core.c @@ -2644,6 +2644,14 @@ int vb2_core_queue_init(struct vb2_queue *q) if (WARN_ON(q->min_reqbufs_allocation > q->max_num_buffers)) return -EINVAL; + /* Either both or none are set */ + if (WARN_ON(!q->ops->wait_prepare ^ !q->ops->wait_finish)) + return -EINVAL; + + /* Warn if q->lock is NULL and no custom wait_prepare is provided */ + if (WARN_ON(!q->lock && !q->ops->wait_prepare)) + return -EINVAL; + INIT_LIST_HEAD(&q->queued_list); INIT_LIST_HEAD(&q->done_list); spin_lock_init(&q->done_lock); |