_VI_TRACK_IRQL *__fastcall ViExReleaseFastMutexCommon(_FAST_MUTEX *FastMutex){
unsigned __int8 CurrentIrql;
if( (MmVerifierData & 0x800) != 0 )
CurrentIrql = ViExCheckAPCsDisabled(0x34ui64, FastMutex);
else
CurrentIrql = KeGetCurrentIrql();
return VfKeIrqlTransitionReserveLogEntry(CurrentIrql, FastMutex->OldIrql);
}