Embedding kobjects

A kobject is not interesting by itself
A sort of top-level virtual class
Always embedded in another structure

Example: char devices

struct cdev {
        struct kobject kobj;
        struct module *owner;
        struct file_operations *ops;
        struct list_head list;
};

Use container_of() to turn kobject to container
cdev = container_of(kobj_ptr, struct cdev, kobj);
Do not use direct casts