taglinefilesource code
unregister_chrdev612drivers/char/lp.cunregister_chrdev(LP_MAJOR,"lp");
unregister_chrdev2955drivers/char/tpqic02.cunregister_chrdev(QIC02_TAPE_MAJOR, TPQIC02_NAME);
unregister_chrdev1697drivers/char/tty_io.cretval = unregister_chrdev(driver->major, driver->name);
unregister_chrdev407include/linux/fs.hextern int unregister_chrdev(unsigned int major, const char * name);
unregister_chrdev163kernel/ksyms.cX(unregister_chrdev),