PVS-Studio warning V517 for ReactOS

BOOL WINAPI
SetupDiGetClassDevPropertySheetsW(....)
{
  ...
  else if (!PropertySheetHeader)               <<<---
    SetLastError(ERROR_INVALID_PARAMETER);

  else if (PropertySheetHeader->dwFlags & PSH_PROPSHEETPAGE)
    ...

  else if (!PropertySheetHeader)
    SetLastError(ERROR_INVALID_PARAMETER);     <<<---
  ...
}

This suspicious code was found in ReactOS project by PVS-Studio static code analyzer.
Warning message is:
V517 The use of 'if (A) {...} else if (A) {...}' pattern was detected. There is a probability of logical error presence. Check lines: 1190, 1198. setupapi devclass.c 1190

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/