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[media] remove interface links at media_entity_unregister()

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Interface links connected to an entity should be removed
before the entity itself can be removed.

Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Mauro Carvalho Chehab 2015-08-29 19:07:09 -03:00
parent 7c4696a910
commit a28971ad14
1 changed files with 16 additions and 0 deletions
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16
drivers/media/media-device.c
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@ -638,14 +638,30 @@ void media_device_unregister_entity(struct media_entity *entity)
return;
spin_lock(&mdev->lock);
/* Remove interface links with this entity on it */
list_for_each_entry_safe(link, tmp, &mdev->links, graph_obj.list) {
if (media_type(link->gobj1) == MEDIA_GRAPH_ENTITY
&& link->entity == entity) {
media_gobj_remove(&link->graph_obj);
kfree(link);
}
}
/* Remove all data links that belong to this entity */
list_for_each_entry_safe(link, tmp, &entity->links, list) {
media_gobj_remove(&link->graph_obj);
list_del(&link->list);
kfree(link);
}
/* Remove all pads that belong to this entity */
for (i = 0; i < entity->num_pads; i++)
media_gobj_remove(&entity->pads[i].graph_obj);
/* Remove the entity */
media_gobj_remove(&entity->graph_obj);
spin_unlock(&mdev->lock);
entity->graph_obj.mdev = NULL;
}