u_char map, ioctl;
map = io->map;
- if ((map > 1) || (io->start > 0xffff) || (io->stop > 0xffff) ||
+ /* comment out: comparison is always false due to limited range of data type */
+ if ((map > 1) || /* (io->start > 0xffff) || (io->stop > 0xffff) || */
(io->stop < io->start))
return -1;
/* Turn off the window before changing anything */