[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>
diff --git a/include/media/media-entity.h b/include/media/media-entity.h
index 3b591d7..7128d3b 100644
--- a/include/media/media-entity.h
+++ b/include/media/media-entity.h
@@ -373,14 +373,16 @@
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);