[media] media: add a linked list to track interfaces by mdev
The media device should list the interface objects, so add a linked list
for those interfaces in struct media_device.
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
diff --git a/drivers/media/media-entity.c b/drivers/media/media-entity.c
index d15797e..8449274 100644
--- a/drivers/media/media-entity.c
+++ b/drivers/media/media-entity.c
@@ -849,6 +849,8 @@
INIT_LIST_HEAD(&intf->links);
media_gobj_init(mdev, gobj_type, &intf->graph_obj);
+
+ list_add_tail(&intf->list, &mdev->interfaces);
}
/* Functions related to the media interface via device nodes */
@@ -877,6 +879,7 @@
void media_devnode_remove(struct media_intf_devnode *devnode)
{
media_gobj_remove(&devnode->intf.graph_obj);
+ list_del(&devnode->intf.list);
kfree(devnode);
}
EXPORT_SYMBOL_GPL(media_devnode_remove);