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[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>
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1 changed files with 4 additions and 4 deletions
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@ -568,7 +568,7 @@ EXPORT_SYMBOL_GPL(media_entity_put);
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* Links management
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*/
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static struct media_link *media_entity_add_link(struct media_entity *entity)
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static struct media_link *media_add_link(struct list_head *head)
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{
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struct media_link *link;
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@ -576,7 +576,7 @@ static struct media_link *media_entity_add_link(struct media_entity *entity)
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if (link == NULL)
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return NULL;
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list_add_tail(&link->list, &entity->links);
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list_add_tail(&link->list, head);
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return link;
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}
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@ -595,7 +595,7 @@ media_create_pad_link(struct media_entity *source, u16 source_pad,
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BUG_ON(source_pad >= source->num_pads);
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BUG_ON(sink_pad >= sink->num_pads);
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link = media_entity_add_link(source);
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link = media_add_link(&source->links);
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if (link == NULL)
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return -ENOMEM;
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@ -610,7 +610,7 @@ media_create_pad_link(struct media_entity *source, u16 source_pad,
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/* Create the backlink. Backlinks are used to help graph traversal and
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* are not reported to userspace.
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*/
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backlink = media_entity_add_link(sink);
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backlink = media_add_link(&sink->links);
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if (backlink == NULL) {
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__media_entity_remove_link(source, link);
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return -ENOMEM;
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