> > Log Message:
> > remove extraneous kauth check; since open already does the auth - and
> > mmap doesn't even get passed the lwp - the check here neither compiles
> > nor does anything terribly useful.
> 
> the check replaced an existing check -- are you sure it's okay to leave
> just the open one? (I remember looking into it in the past but I can't
> remember what was the verdict)

No, I'm not positive - but a quick skim of other devices that
implemented mmap didn't have the check, either. (I also don't know
how you'd grab the lwp, either - curproc?)