Dmitry Timoshkov : rpcrt4: Avoid casting an object to IUnknown.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 70a847248feb7008b994588574a4aff320af93c1
URL:    https://gitlab.winehq.org/wine/wine/-/commit/70a847248feb7008b994588574a4aff...

Author: Dmitry Timoshkov 
Date:   Tue Dec 13 20:59:19 2022 -0600

rpcrt4: Avoid casting an object to IUnknown.

Cast its interface member to IUnknown instead.

---

dlls/rpcrt4/cproxy.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/rpcrt4/cproxy.c b/dlls/rpcrt4/cproxy.c
index b51ba41a45f..80400422e41 100644
--- a/dlls/rpcrt4/cproxy.c
+++ b/dlls/rpcrt4/cproxy.c
@@ -332,7 +332,7 @@ HRESULT StdProxy_Construct(REFIID riid,
   This = calloc(1, sizeof(StdProxyImpl));
   if (!This) return E_OUTOFMEMORY;

-  if (!pUnkOuter) pUnkOuter = (IUnknown *)This;
+  if (!pUnkOuter) pUnkOuter = (IUnknown *)&This->IRpcProxyBuffer_iface;
   This->IRpcProxyBuffer_iface.lpVtbl = &StdProxy_Vtbl;
   This->PVtbl = vtbl->Vtbl;
   /* one reference for the proxy */