/* dev to media_devnode */
#define to_media_devnode(cd) container_of(cd, struct media_devnode, dev)
-int __must_check media_devnode_register(struct media_devnode *mdev);
+int __must_check media_devnode_register(struct media_devnode *mdev,
+ struct module *owner);
void media_devnode_unregister(struct media_devnode *mdev);
static inline struct media_devnode *media_devnode_data(struct file *filp)