diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/media/mc/mc-entity.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/media/mc/mc-entity.c b/drivers/media/mc/mc-entity.c index 83468d4a44..543a392f86 100644 --- a/drivers/media/mc/mc-entity.c +++ b/drivers/media/mc/mc-entity.c @@ -197,6 +197,7 @@ int media_entity_pads_init(struct media_entity *entity, u16 num_pads, struct media_device *mdev = entity->graph_obj.mdev; struct media_pad *iter; unsigned int i = 0; + int ret = 0; if (num_pads >= MEDIA_ENTITY_MAX_PADS) return -E2BIG; @@ -210,15 +211,27 @@ int media_entity_pads_init(struct media_entity *entity, u16 num_pads, media_entity_for_each_pad(entity, iter) { iter->entity = entity; iter->index = i++; + + if (hweight32(iter->flags & (MEDIA_PAD_FL_SINK | + MEDIA_PAD_FL_SOURCE)) != 1) { + ret = -EINVAL; + break; + } + if (mdev) media_gobj_create(mdev, MEDIA_GRAPH_PAD, &iter->graph_obj); } + if (ret && mdev) { + media_entity_for_each_pad(entity, iter) + media_gobj_destroy(&iter->graph_obj); + } + if (mdev) mutex_unlock(&mdev->graph_mutex); - return 0; + return ret; } EXPORT_SYMBOL_GPL(media_entity_pads_init); |