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[media] media-entity: enforce check of interface and links creation 

Drivers should check if interfaces and interface links were
created. Add a must_check for them.

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 15:34:19 -03:00
parent 0d3ab8410d
commit 5e5387df04
1 changed files with 9 additions and 7 deletions
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16
include/media/media-entity.h
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@ -373,14 +373,16 @@ __must_check int media_entity_pipeline_start(struct media_entity *entity,
struct media_pipeline *pipe);
void media_entity_pipeline_stop(struct media_entity *entity);
struct media_intf_devnode *media_devnode_create(struct media_device *mdev,
u32 type, u32 flags,
u32 major, u32 minor,
gfp_t gfp_flags);
struct media_intf_devnode *
__must_check media_devnode_create(struct media_device *mdev,
u32 type, u32 flags,
u32 major, u32 minor,
gfp_t gfp_flags);
void media_devnode_remove(struct media_intf_devnode *devnode);
struct media_link *media_create_intf_link(struct media_entity *entity,
struct media_interface *intf,
u32 flags);
struct media_link *
__must_check media_create_intf_link(struct media_entity *entity,
struct media_interface *intf,
u32 flags);
void __media_remove_intf_link(struct media_link *link);
void media_remove_intf_link(struct media_link *link);
void __media_remove_intf_links(struct media_interface *intf);