IopAllocateIrpMustSucceed

_IRP *__stdcall IopAllocateIrpMustSucceed(_DEVICE_OBJECT *DeviceObject, CHAR StackSize){
  _IRP *result; 
  _LARGE_INTEGER v5; 
  VOID *retaddr; 
  for( result = IopAllocateIrpExReturn(DeviceObject, StackSize, 0, retaddr);
        !result;
        result = IopAllocateIrpExReturn(DeviceObject, StackSize, 0, retaddr) )
  {
    result = IopAllocateReserveIrp(v5, StackSize, 3i64);
    if( result )
      break;
  }
  *((_BYTE *)result + 71) |= 0x20u;
  return result;
}

Referenced by: