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[media] media-entity: must check media_create_pad_link()

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Drivers should check if media_create_pad_link() actually
worked.

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 2015-09-04 16:08:24 -03:00
parent 4e26f3abaf
commit 77328043d9
1 changed files with 3 additions and 2 deletions
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5
include/media/media-entity.h
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@ -351,8 +351,9 @@ int media_entity_init(struct media_entity *entity, u16 num_pads,
struct media_pad *pads);
void media_entity_cleanup(struct media_entity *entity);
int media_create_pad_link(struct media_entity *source, u16 source_pad,
struct media_entity *sink, u16 sink_pad, u32 flags);
__must_check int media_create_pad_link(struct media_entity *source,
u16 source_pad, struct media_entity *sink,
u16 sink_pad, u32 flags);
void __media_entity_remove_links(struct media_entity *entity);
void media_entity_remove_links(struct media_entity *entity);