mshtml: Handle removeAttribute("filter") calls on detached style objects.

Signed-off-by: Jacek Caban <jacek@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

mshtml: Handle removeAttribute("filter") calls on detached style objects.
3dd1fd9c · Jacek Caban · Alexandre Julliard · 3886fa60 · 3dd1fd9c
Commit 3dd1fd9c authored Mar 27, 2019 by Jacek Caban Committed by Alexandre Julliard Mar 27, 2019
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htmlstyle.c dlls/mshtml/htmlstyle.c +2 -0

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--- a/dlls/mshtml/htmlstyle.c
+++ b/dlls/mshtml/htmlstyle.c
@@ -3158,6 +3158,8 @@ static HRESULT WINAPI HTMLStyle_removeAttribute(IHTMLStyle *iface, BSTR strAttri

    /* filter property is a special case */
    if(style_entry->compat_dispid == DISPID_IHTMLSTYLE_FILTER) {
+        if(!This->elem)
+            return E_UNEXPECTED;
        *pfSuccess = variant_bool(This->elem->filter && *This->elem->filter);
        heap_free(This->elem->filter);
        This->elem->filter = NULL;