cdrom_read_audio  121 block/compat_ioctl.c 	struct cdrom_read_audio __user *cdread_audio;
cdrom_read_audio 3017 drivers/cdrom/cdrom.c 	struct cdrom_read_audio ra;
cdrom_read_audio 3020 drivers/cdrom/cdrom.c 	if (copy_from_user(&ra, (struct cdrom_read_audio __user *)arg,