chal             1687 drivers/cdrom/cdrom.c 		copy_chal(ai->lsc.chal, &buf[4]);
chal             1726 drivers/cdrom/cdrom.c 		copy_chal(&buf[4], ai->hsc.chal);
chal              626 include/uapi/linux/cdrom.h 	dvd_challenge chal;
chal              640 include/uapi/linux/cdrom.h 	dvd_challenge chal;