Commits
Alan Cox committed 4112e16a7c6
libata-sff: Don't try and activate channels which are not in use An ATA controller in native mode may have one or more channels disabled and not assigned resources. In that case the existing code crashes trying to access I/O ports 0-7. Add the neccessary check. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>