ZBOOTDEV_NAME
rc = register_chrdev(ZBOOTDEV_MAJOR, ZBOOTDEV_NAME, &fops);
entry = proc_mknod(ZBOOTDEV_NAME, ZBOOTDEV_MODE | S_IFCHR,
(void)unregister_chrdev(ZBOOTDEV_MAJOR, ZBOOTDEV_NAME);
(void)unregister_chrdev(ZBOOTDEV_MAJOR, ZBOOTDEV_NAME);
remove_proc_entry(ZBOOTDEV_NAME, &proc_root);
printk("%s: loaded %ld bytes\n", ZBOOTDEV_NAME, position);
printk("%s: boot failed\n", ZBOOTDEV_NAME);