VOID __fastcall PspUserApcReserveKernelRoutine(KAPC *Apc){ struct _DMA_ADAPTER *p_ApcStateIndex; p_ApcStateIndex = (struct _DMA_ADAPTER *)&Apc[-1].ApcStateIndex; *(_DWORD *)&p_ApcStateIndex->Version = 0; HalPutDmaAdapter(p_ApcStateIndex); }