"legacy" usb stack fixes

[Hans Petter Selasky]

On Monday 15 September 2008, Scott Long wrote:
> Hans Petter Selasky wrote:
> > Hi,
> >
> > Please find a link to my implementation. Panics when unplugging USB Mass
> > Storage Devices is now a thing of the past, I hope. Any comments ?
> >
> > http://perforce.freebsd.org/chv.cgi?CH=149821
> >
> > --HPS
>
> So you're sticking with a SIM per umass target, and adding a global lock?
>

Yes, and I don't free the SIM until unloading the "umass" module.

--HPS