void __fastcall MiDereferenceControlArea(__int64 a1){ KIRQL v2; v2 = ExAcquireSpinLockExclusive((PEX_SPIN_LOCK)(a1 + 72)); --*(_QWORD *)(a1 + 40); --*(_QWORD *)(a1 + 48); MiCheckControlArea((_CONTROL_AREA *)a1, v2); }