Obvious bug in /sys/i386/include/bus.h

[M. Warner Losh]

In message: <20050613.205622.117024773.imp at bsdimp.com>
            "M. Warner Losh" <imp at bsdimp.com> writes:
: In message: <20050613162743.GA769 at britannica.bec.de>
:             Joerg Sonnenberger <joerg at britannica.bec.de> writes:
: : The compiler can only optimize it away if it is known to be a constant.
: : But thinking again about it, it should be documented at least whether
: : a count of 0 is allowed or not. I think it makes more sense to not allow
: : it, but others (you included) might disagree.
: 
: I'd be happy with commitable bus_space.9, reguardless of how this
: discussion turns out.

OK.  Just committed one.  It is silent on the issue of 0 byte counts
:-)

Warner