evr: Return E_NOINTERFACE when aggregation is requested with an interface other than IUnknown.

Signed-off-by: Zebediah Figura <z.figura12@gmail.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

evr: Return E_NOINTERFACE when aggregation is requested with an interface other than IUnknown.
664789ce · Zebediah Figura · Alexandre Julliard · 9f3e7241 · 664789ce
Commit 664789ce authored Jun 04, 2019 by Zebediah Figura Committed by Alexandre Julliard Jun 05, 2019
Show whitespace changes
Inline Side-by-side

Showing with 4 additions and 0 deletions

main.c dlls/evr/main.c +4 -0

No files found.
--- a/dlls/evr/main.c
+++ b/dlls/evr/main.c
@@ -118,6 +118,10 @@ static HRESULT WINAPI classfactory_CreateInstance(IClassFactory *iface, IUnknown
    TRACE("(%p)->(%p,%s,%p)\n", This, outer_unk, debugstr_guid(riid), ppobj);

    *ppobj = NULL;
+
+    if (outer_unk && !IsEqualGUID(riid, &IID_IUnknown))
+        return E_NOINTERFACE;
+
    hres = This->pfnCreateInstance(outer_unk, (void **) &unk);
    if (SUCCEEDED(hres))
    {