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Commit 23615de5 authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab
Browse files

[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: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@osg.samsung.com>
parent 57208e5e

drivers/media/media-entity.c

+4 −4
Original line number Diff line number Diff line
@@ -568,7 +568,7 @@ EXPORT_SYMBOL_GPL(media_entity_put); 
 * 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 @@ static struct media_link *media_entity_add_link(struct media_entity *entity) 
	if (link == NULL)

		return NULL;



	list_add_tail(&link->list, &entity->links);

	list_add_tail(&link->list, head);



	return link;

}
@@ -595,7 +595,7 @@ media_create_pad_link(struct media_entity *source, u16 source_pad, 
	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 @@ media_create_pad_link(struct media_entity *source, u16 source_pad, 
	/* 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;