[media] media: make add link more generic
The media_entity_add_link() function takes an entity
as an argument just to get the list head.
Make it more generic by changing the function argument
to list_head.
No functional changes.
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 df110ac..e7ee666 100644
--- a/drivers/media/media-entity.c
+++ b/drivers/media/media-entity.c
@@ -568,7 +568,7 @@
* Links management
*/
-static struct media_link *media_entity_add_link(struct media_entity *entity)
+static struct media_link *media_add_link(struct list_head *head)
{
struct media_link *link;
@@ -576,7 +576,7 @@
if (link == NULL)
return NULL;
- list_add_tail(&link->list, &entity->links);
+ list_add_tail(&link->list, head);
return link;
}
@@ -595,7 +595,7 @@
BUG_ON(source_pad >= source->num_pads);
BUG_ON(sink_pad >= sink->num_pads);
- link = media_entity_add_link(source);
+ link = media_add_link(&source->links);
if (link == NULL)
return -ENOMEM;
@@ -610,7 +610,7 @@
/* Create the backlink. Backlinks are used to help graph traversal and
* are not reported to userspace.
*/
- backlink = media_entity_add_link(sink);
+ backlink = media_add_link(&sink->links);
if (backlink == NULL) {
__media_entity_remove_link(source, link);
return -ENOMEM;