PVS-Studio warning V519 for ReactOS

#define IRP_MJ_INTERNAL_DEVICE_CONTROL    0x0f
#define IRP_MJ_SCSI                       0x0f

ULONG NTAPI
ScsiPortInitialize(....)
{
  ...
  DriverObject->MajorFunction[IRP_MJ_INTERNAL_DEVICE_CONTROL] =
    ScsiPortDeviceControl;
  DriverObject->MajorFunction[IRP_MJ_SCSI] =
    ScsiPortDispatchScsi;
  ...
}

This suspicious code was found in ReactOS project by PVS-Studio static code analyzer.
Warning message is:
V519 The 'DriverObject->MajorFunction [0x0f]' variable is assigned values twice successively. Perhaps this is a mistake. Check lines: 1058, 1059. scsiport scsiport.c 1059

PVS-Studio is a static analyzer for detecting bugs in the source code of applications written in C, C++, C++11, C++/CX. Site: http://www.viva64.com/en/pvs-studio/