455 	devnames_walk_t *dnw;  in devnames_walk_init()  local
474 	dnw = mdb_zalloc(sizeof (devnames_walk_t), UM_SLEEP);  in devnames_walk_init()
475 	dnw->dnw_size = sizeof (struct devnames) * devcnt;  in devnames_walk_init()
476 	dnw->dnw_devcnt = devcnt;  in devnames_walk_init()
477 	dnw->dnw_base = devnamesp;  in devnames_walk_init()
478 	dnw->dnw_names = mdb_alloc(dnw->dnw_size, UM_SLEEP);  in devnames_walk_init()
480 	if (mdb_vread(dnw->dnw_names, dnw->dnw_size, dnw->dnw_base) == -1) {  in devnames_walk_init()
485 	wsp->walk_data = dnw;  in devnames_walk_init()
492 	devnames_walk_t *dnw = wsp->walk_data;  in devnames_walk_step()  local
495 	if (dnw->dnw_ndx == dnw->dnw_devcnt)  in devnames_walk_step()
498 	status = wsp->walk_callback(dnw->dnw_ndx * sizeof (struct devnames) +  in devnames_walk_step()
499 	    dnw->dnw_base, &dnw->dnw_names[dnw->dnw_ndx], wsp->walk_cbdata);  in devnames_walk_step()
501 	dnw->dnw_ndx++;  in devnames_walk_step()
508 	devnames_walk_t *dnw = wsp->walk_data;  in devnames_walk_fini()  local
510 	mdb_free(dnw->dnw_names, dnw->dnw_size);  in devnames_walk_fini()
511 	mdb_free(dnw, sizeof (devnames_walk_t));  in devnames_walk_fini()