Symbol: VTYP_VALID
usr/src/uts/common/os/driver_lyr.c
580
!VTYP_VALID(vp->v_type)) {
usr/src/uts/common/os/driver_lyr.c
752
if (!vn_matchops(vp, spec_getvnodeops()) || !VTYP_VALID(vp->v_type))