Resolves: tdf#97879 loop in style hierarchy on odt loop

Change-Id: I0098c434b89b6a57e8b888a4d4f643e4d0865d29

2 files changed, 7 insertions, 1 deletions

diff --git a/sw/qa/core/data/odt/pass/tdf97879.odt b/sw/qa/core/data/odt/pass/tdf97879.odt
new file mode 100644
index 000000000000..b34526763509
--- /dev/null
+++ b/sw/qa/core/data/odt/pass/tdf97879.odt
diff --git a/xmloff/source/text/txtimp.cxx b/xmloff/source/text/txtimp.cxx
index 3da0e8b9bc10..08dafafdcbfe 100644
--- a/xmloff/source/text/txtimp.cxx
+++ b/xmloff/source/text/txtimp.cxx
@@ -1380,7 +1380,13 @@ static bool lcl_HasListStyle( const OUString& sStyleName,
                 else
                 {
                     // search list style at parent
-                    xStyle.set( xPropState, UNO_QUERY );
+                    Reference<XStyle> xParentStyle(xPropState, UNO_QUERY);
+                    if (xStyle == xParentStyle)
+                    {
+                        // error case
+                        return true;
+                    }
+                    xStyle = xParentStyle;
                 }
             }
         }