PiSwIrpCleanup

void __fastcall PiSwIrpCleanup(__int64 a1){
  __int64 v1; 
  _ETHREAD *CurrentThread; 
  __int64 v4; 
  char v5; 
  wchar_t *v6; 
  WCHAR v7; 
  struct _DMA_ADAPTER *v8; 
  __int64 v9; 
  INT64 SwDevice; 
  struct _UNICODE_STRING DestinationString; 
  v1 = 0i64;
  DestinationString = 0i64;
  CurrentThread = (_ETHREAD *)KeGetCurrentThread();
  --*((_WORD *)CurrentThread + 242);
  ExAcquireResourceExclusiveLite((ERESOURCE *)PiSwLockObj, 1u);
  if( !*(_DWORD *)(a1 + 180) )
    goto LABEL_11;
  v4 = *(_QWORD *)(a1 + 112);
  v5 = 0;
  while( 1 )
  {
    v6 = *(wchar_t **)(v4 + 8);
    if( wcsnicmp(v6, L"SWD\\", 4ui64) )
      break;
    SwDevice = PiSwFindSwDevice(v6);
    if( !SwDevice )
      goto LABEL_11;
    if( !*(_DWORD *)(SwDevice + 180) && (*(_DWORD *)(SwDevice + 4) & 2) == 0 )
      goto LABEL_6;
    v4 = *(_QWORD *)(SwDevice + 112);
  }
  RtlInitUnicodeString(&DestinationString, v6, v7);
  v8 = (struct _DMA_ADAPTER *)PnpDeviceObjectFromDeviceInstanceWithTag((INT64)&DestinationString, 0x746C6644ui64);
  if( v8 )
    HalPutDmaAdapter(v8);
  else
LABEL_11:
    v5 = 1;
LABEL_6:
  v9 = *(_QWORD *)(a1 + 144);
  if( v9 && _InterlockedExchange64((volatile __int64 *)(v9 + 104), 0i64) )
  {
    v1 = *(_QWORD *)(a1 + 144);
    *(_QWORD *)(a1 + 144) = 0i64;
  }
  *(_DWORD *)(a1 + 4) &= ~1u;
  if( v5 )
  {
    PiSwCloseDescendants((UNICODE_STRING *)(a1 + 72));
    PiSwCloseDevice((CHAR *)a1);
  }
  ExReleaseResourceLite((PERESOURCE)PiSwLockObj);
  KeLeaveCriticalRegionThread((__int64)KeGetCurrentThread());
  if( v1 )
  {
    *(_QWORD *)(v1 + 56) = 0i64;
    *(_DWORD *)(v1 + 48) = -1073741536;
    IofCompleteRequest((_IRP *)v1, 0);
  }
}

Referenced by: