EEH_PE_INVALID
if (!(pe->state & EEH_PE_INVALID))
if (pe->type & EEH_PE_INVALID) {
if (!(parent->type & EEH_PE_INVALID))
parent->type &= ~EEH_PE_INVALID;
if (!(child->type & EEH_PE_INVALID)) {
pe->type |= EEH_PE_INVALID;