if (nal->shutdown)
nal->shutdown (nal, ptl_num_interfaces);
ptl_ni_init_mutex_exit ();
if (nal->shutdown)
nal->shutdown (nal, ptl_num_interfaces);
ptl_ni_init_mutex_exit ();
ptl_ni_init_mutex_enter ();
nal = ptl_hndl2nal (&ni);
if (nal == NULL) {
ptl_ni_init_mutex_exit ();
ptl_ni_init_mutex_enter ();
nal = ptl_hndl2nal (&ni);
if (nal == NULL) {
ptl_ni_init_mutex_exit ();