IopRemoveDevice

NTSTATUS __stdcall IopRemoveDevice(DEVICE_OBJECT *TargetDevice, UINT64 IrpMinorCode){
  int v2; 
  int v3; 
  __int64 v5; 
  DEVICE_OBJECT *v6; 
  PWCHAR v7; 
  NTSTATUS v8; 
  struct _DMA_ADAPTER *v9; 
  __int64 v10; 
  unsigned __int64 v11; 
  __int128 v13; 
  _BYTE result[80]; 
  PVOID P; 
  v2 = 0;
  v3 = IrpMinorCode;
  v13 = 0i64;
  if( TargetDevice )
    v5 = *(_QWORD *)(*((_QWORD *)TargetDevice + 39) + 40i64);
  else
    v5 = 0i64;
  P = 0i64;
  PiPnpRtlBeginOperation((__int64 **)&P);
  if( v3 == 2 )
    IopUncacheInterfaceInformation(TargetDevice, 1ui64);
  memset((INT64)result, 0i64);
  result[0] = 27;
  result[1] = v3;
  if( PnpFindMountableDevice(TargetDevice) )
  {
    v2 = 1;
    PnpLockMountableDevice(TargetDevice);
    v6 = (DEVICE_OBJECT *)PnpMarkDeviceForRemove((ULONG_PTR)TargetDevice, 1, (ULONG_PTR *)&v13);
    PnpUnlockMountableDevice(TargetDevice);
  }
  else
  {
    v6 = TargetDevice;
  }
  if( v3 == 2 || v3 == 23 )
  {
    if( (*(_DWORD *)(v5 + 400) & 8) != 0 )
    {
      PipClearDevNodeUserFlags(v5, 8);
      IopDecDisableableDepends((_DEVICE_NODE *)v5);
    }
    if( v3 == 2 )
    {
      PiSwProcessParentRemoveIrp(TargetDevice);
      PiSwStopDestroy(v7);
    }
  }
  v8 = IopSynchronousCall(v6, (IO_STACK_LOCATION *)result, 3221225659i64, 0i64, 0i64);
  if( v2 )
  {
    PnpLockMountableDevice(TargetDevice);
    if( (unsigned int)(v3 - 2) <= 1 )
      PnpMarkDeviceForRemove((ULONG_PTR)TargetDevice, 0, (ULONG_PTR *)&v13);
    v9 = (struct _DMA_ADAPTER *)*((_QWORD *)&v13 + 1);
    if( *((_QWORD *)&v13 + 1) )
    {
      IopDecrementDeviceObjectHandleCount(*((_DEVICE_OBJECT **)&v13 + 1));
      HalPutDmaAdapter(v9);
    }
    PnpUnlockMountableDevice(TargetDevice);
    if( (v3 != 1 || v8 < 0) && v3 != 23 )
    {
LABEL_21:
      if( v3 != 2 )
        goto LABEL_26;
      goto LABEL_22;
    }
    v8 = IopInvalidateVolumesForDevice(TargetDevice);
  }
  if( v3 != 23 )
    goto LABEL_21;
LABEL_22:
  PoFxAbandonDevice((_DEVICE_NODE *)v5);
  *(_DWORD *)(v5 + 156) = 0;
  if( v3 == 2 )
  {
    PipClearDevNodeFlags((_DEVICE_NODE *)v5, 0x1008ui64);
    v10 = *(_QWORD *)(v5 + 648);
    if( v10 )
    {
      if( (v10 & 1) != 0 )
      {
        v11 = v10 & 0xFFFFFFFFFFFFFFFEui64;
        *(_QWORD *)(v5 + 648) = v11;
        --*(_DWORD *)(v11 + 656);
      }
    }
  }
LABEL_26:
  if( P )
    PiPnpRtlEndOperation(P);
  return v8;
}

Referenced by: