[Libreoffice-bugs] [Bug 127461] data provider crashes LibreOffice when clicking "Apply Changes"

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=127461

--- Comment #2 from Julien Nabet <serval2412 at yahoo.fr> ---
This patch prevents from crashing:
diff --git a/sc/source/ui/dataprovider/htmldataprovider.cxx
b/sc/source/ui/dataprovider/htmldataprovider.cxx
index bbe6dd3c514b..30ae31bc3759 100644
--- a/sc/source/ui/dataprovider/htmldataprovider.cxx
+++ b/sc/source/ui/dataprovider/htmldataprovider.cxx
@@ -192,6 +192,13 @@ void HTMLFetchThread::execute()
     OString aID = OUStringToOString(maID, RTL_TEXTENCODING_UTF8);
     xmlXPathContextPtr pXmlXpathCtx = xmlXPathNewContext(pHtmlPtr);
     xmlXPathObjectPtr pXmlXpathObj =
xmlXPathEvalExpression(BAD_CAST(aID.getStr()), pXmlXpathCtx);
+
+    if (!pXmlXpathObj)
+    {
+        xmlXPathFreeContext(pXmlXpathCtx);
+        return;
+    }
+
     xmlNodeSetPtr pXmlNodes = pXmlXpathObj->nodesetval;

     if (pXmlNodes->nodeNr == 0)

However, there's no error message or something.

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