PVS-Studio warning V501 for ReactOS

static HRESULT WINAPI FileLockBytesImpl_QueryInterface(
  ILockBytes *iface, REFIID riid, void **ppvObject)
{
  if (IsEqualIID(riid, &IID_ILockBytes) ||
      IsEqualIID(riid, &IID_ILockBytes))
    *ppvObject = iface;
  ...
}

This suspicious code was found in ReactOS project by PVS-Studio static code analyzer.
Warning message is:
V501 There are identical sub-expressions to the left and to the right of the '||' operator. ole32 filelockbytes.c 139

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/