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Code Issues Releases Wiki Activity

[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>
This commit is contained in:
Mauro Carvalho Chehab 2015-08-20 08:21:35 -03:00
parent 57208e5e25
commit 23615de5ee
1 changed files with 4 additions and 4 deletions
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8
drivers/media/media-entity.c
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@ -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;