'Finds the SC controller port object for the specified cportid.
:param cportid: The instanceID of the Dell backend controller port.
:returns: The controller port object.'

def _find_controller_port(self, cportid):

    controllerport = None
    r = self.client.get(('StorageCenter/ScControllerPort/%s' % cportid))
    if self._check_result(r):
        controllerport = self._first_result(r)
    LOG.debug('_find_controller_port:    %s', controllerport)
    return controllerport
