Re: [PATCH v3 0/4] MR1317: mshtml: HTMLDocumentObj fixes.

[Jacek Caban (＠jacek)]

Jacek Caban (@jacek) commented about dlls/mshtml/oleobj.c:
> + * IEventTarget implementation
> + */
> +static inline HTMLDocumentObj *impl_from_IEventTarget(IEventTarget *iface)
> +{
> +    return CONTAINING_RECORD(iface, HTMLDocumentObj, IEventTarget_iface);
> +}
> +
> +HTMLDOCUMENTOBJ_IDISPATCH_METHODS(EventTarget)
> +
> +static HRESULT WINAPI DocObjEventTarget_addEventListener(IEventTarget *iface, BSTR type, IDispatch *listener,
> +        VARIANT_BOOL capture)
> +{
> +    HTMLDocumentObj *This = impl_from_IEventTarget(iface);
> +
> +    if(!This->doc_node)
> +        return E_UNEXPECTED;
> How doc_node can be NULL?

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https://gitlab.winehq.org/wine/wine/-/merge_requests/1317#note_15720