diff options
Diffstat (limited to 'drivers/media/v4l2-core/v4l2-subdev.c')
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-subdev.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/media/v4l2-core/v4l2-subdev.c b/drivers/media/v4l2-core/v4l2-subdev.c index 03dc5f68ffad..c7154a7f696a 100644 --- a/drivers/media/v4l2-core/v4l2-subdev.c +++ b/drivers/media/v4l2-core/v4l2-subdev.c @@ -1258,6 +1258,16 @@ int v4l2_subdev_link_validate(struct media_link *link) bool states_locked; int ret; + if (!is_media_entity_v4l2_subdev(link->sink->entity) || + !is_media_entity_v4l2_subdev(link->source->entity)) { + pr_warn_once("%s of link '%s':%u->'%s':%u is not a V4L2 sub-device, driver bug!\n", + !is_media_entity_v4l2_subdev(link->sink->entity) ? + "sink" : "source", + link->source->entity->name, link->source->index, + link->sink->entity->name, link->sink->index); + return 0; + } + sink_sd = media_entity_to_v4l2_subdev(link->sink->entity); source_sd = media_entity_to_v4l2_subdev(link->source->entity); |