diff --git a/dlls/mshtml/htmldoc.c b/dlls/mshtml/htmldoc.c
index c25f7f3d930..466fc050efc 100644
--- a/dlls/mshtml/htmldoc.c
+++ b/dlls/mshtml/htmldoc.c
@@ -1511,23 +1511,26 @@ static void HTMLDocument_on_advise(IUnknown *iface, cp_static_data_t *cp)
update_cp_events(This->window, &This->doc_node->node.event_target, cp, This->doc_node->node.nsnode);
}
-#define SUPPINFO_THIS(iface) DEFINE_THIS(HTMLDocument, SupportErrorInfo, iface)
+static inline HTMLDocument *impl_from_ISupportErrorInfo(ISupportErrorInfo *iface)
+{
+ return CONTAINING_RECORD(iface, HTMLDocument, ISupportErrorInfo_iface);
+}
static HRESULT WINAPI SupportErrorInfo_QueryInterface(ISupportErrorInfo *iface, REFIID riid, void **ppv)
{
- HTMLDocument *This = SUPPINFO_THIS(iface);
+ HTMLDocument *This = impl_from_ISupportErrorInfo(iface);
return htmldoc_query_interface(This, riid, ppv);
}
static ULONG WINAPI SupportErrorInfo_AddRef(ISupportErrorInfo *iface)
{
- HTMLDocument *This = SUPPINFO_THIS(iface);
+ HTMLDocument *This = impl_from_ISupportErrorInfo(iface);
return htmldoc_addref(This);
}
static ULONG WINAPI SupportErrorInfo_Release(ISupportErrorInfo *iface)
{
- HTMLDocument *This = SUPPINFO_THIS(iface);
+ HTMLDocument *This = impl_from_ISupportErrorInfo(iface);
return htmldoc_release(This);
}
@@ -1794,7 +1797,7 @@ static BOOL htmldoc_qi(HTMLDocument *This, REFIID riid, void **ppv)
*ppv = &This->IHTMLDocument2_iface;
}else if(IsEqualGUID(&IID_ISupportErrorInfo, riid)) {
TRACE("(%p)->(IID_ISupportErrorInfo %p)\n", This, ppv);
- *ppv = SUPPERRINFO(This);
+ *ppv = &This->ISupportErrorInfo_iface;
}else if(IsEqualGUID(&IID_IPersistHistory, riid)) {
TRACE("(%p)->(IID_IPersistHistory %p)\n", This, ppv);
*ppv = &This->IPersistHistory_iface;
@@ -1837,7 +1840,7 @@ static void init_doc(HTMLDocument *doc, IUnknown *unk_impl, IDispatchEx *dispex)
{
doc->IHTMLDocument2_iface.lpVtbl = &HTMLDocumentVtbl;
doc->lpIDispatchExVtbl = &DocDispatchExVtbl;
- doc->lpSupportErrorInfoVtbl = &SupportErrorInfoVtbl;
+ doc->ISupportErrorInfo_iface.lpVtbl = &SupportErrorInfoVtbl;
doc->unk_impl = unk_impl;
doc->dispex = dispex;
diff --git a/dlls/mshtml/mshtml_private.h b/dlls/mshtml/mshtml_private.h
index 97940e2568f..355c325c1c8 100644
--- a/dlls/mshtml/mshtml_private.h
+++ b/dlls/mshtml/mshtml_private.h
@@ -363,7 +363,7 @@ struct HTMLDocument {
IHlinkTarget IHlinkTarget_iface;
IPersistStreamInit IPersistStreamInit_iface;
const IDispatchExVtbl *lpIDispatchExVtbl;
- const ISupportErrorInfoVtbl *lpSupportErrorInfoVtbl;
+ ISupportErrorInfo ISupportErrorInfo_iface;
const IObjectWithSiteVtbl *lpObjectWithSiteVtbl;
IOleContainer IOleContainer_iface;
@@ -668,8 +668,6 @@ struct HTMLDocumentNode {
#define DISPATCHEX(x) ((IDispatchEx*) &(x)->lpIDispatchExVtbl)
-#define SUPPERRINFO(x) ((ISupportErrorInfo*) &(x)->lpSupportErrorInfoVtbl)
-
#define HOSTSECMGR(x) ((IInternetHostSecurityManager*) &(x)->lpIInternetHostSecurityManagerVtbl)
#define DEFINE_THIS2(cls,ifc,iface) ((cls*)((BYTE*)(iface)-offsetof(cls,ifc)))