setupapi: SetupDiGetClassDevsEx returns INVALID_HANDLE_VALUE on error.

afa912b4 · Dmitry Timoshkov · Alexandre Julliard · 14650b93 · afa912b4
Commit afa912b4 authored Jul 22, 2015 by Dmitry Timoshkov Committed by Alexandre Julliard Jul 29, 2015
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devinst.c dlls/setupapi/devinst.c +1 -1

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--- a/dlls/setupapi/devinst.c
+++ b/dlls/setupapi/devinst.c
@@ -2340,7 +2340,7 @@ HDEVINFO WINAPI SetupDiGetClassDevsExW(const GUID *class, PCWSTR enumstr, HWND p
    if (!(flags & DIGCF_ALLCLASSES) && !class)
    {
        SetLastError(ERROR_INVALID_PARAMETER);
-        return NULL;
+        return INVALID_HANDLE_VALUE;
    }
    if (flags & unsupportedFlags)
        WARN("unsupported flags %08x\n", flags & unsupportedFlags);