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[User32] Fix null return.

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See CORE-16769.
This commit is contained in:
jimtabor
2020-03-28 14:03:15 -05:00
parent 7481bda679
commit d8add40e89
1 changed files with 11 additions and 9 deletions
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20
win32ss/user/user32/windows/window.c
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@@ -159,16 +159,18 @@ RtlGetExpWinVer( HMODULE hModule )
if ( hModule && !((ULONG_PTR)hModule >> 16))
{
pinth = RtlImageNtHeader( hModule );
dwMajorVersion = pinth->OptionalHeader.MajorSubsystemVersion;
if ( dwMajorVersion == 1 )
if ( pinth )
{
dwMajorVersion = 3;
}
else
{
dwMinorVersion = pinth->OptionalHeader.MinorSubsystemVersion;
dwMajorVersion = pinth->OptionalHeader.MajorSubsystemVersion;
if ( dwMajorVersion == 1 )
{
dwMajorVersion = 3;
}
else
{
dwMinorVersion = pinth->OptionalHeader.MinorSubsystemVersion;
}
}
}
return MAKELONG(MAKEWORD(dwMinorVersion, dwMajorVersion), 0);