Add more structure to probe error handling rather than use the big
hammer and call disconnect directly.
This is needed to fix some host-device life-time issues.
Note that there was never any need to clear the USB interface data as
this will be done by driver core.
Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>