On Thu, 29 Apr 2004, Marcel Holtmann wrote:

> Hi Greg,
> 
> > > I know that Max accepted this. So I also have to accept this, but this
> > > doesn't count for the bfusb driver and inserting this hack prevents it
> > > from oopsing on a UHCI controller, too.
> > 
> > If you unlink the urb synchronously there should be no more problems, as
> > Alan has fixed this in the UHCI driver, right?
> 
> last time I checked Alan's disable_endpoint patch it still crashes both
> drivers and as you see the bfusb uses usb_free_urb().

Actually it has been fixed now, thanks to the feedback you sent, and 
merged into Greg's development kernel.  Maybe it has found its way into 
some upstream kernel trees as well.

A simple answer might be to remove the hci_usb_wait_for_urb() routine
entirely once the UHCI change has fully percolated upward.  While strictly 
speaking it should be there, problems during disconnect will be very rare.

Alan Stern



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