disk: handle LBA I/O with zero sector count

Unlike basic_access, extended_access does not check for a zero
sector count.  However, this is a problem because for example
it would be interpreted as 256 when processing an ATA request.

Based on patch from: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
1 file changed
tree: 3622516c86482658fb899ec1b3a30a4dfed6b3a4
  1. .gitignore
  2. COPYING
  3. COPYING.LESSER
  4. Makefile
  5. README
  6. TODO
  7. src/
  8. tools/
  9. vgasrc/