3 files changed, 2 insertions, 5 deletions
diff --git a/drawinglayer/source/primitive3d/polygontubeprimitive3d.cxx b/drawinglayer/source/primitive3d/polygontubeprimitive3d.cxx
index 77487db04db8..495c06f303dd 100644
--- a/drawinglayer/source/primitive3d/polygontubeprimitive3d.cxx
+++ b/drawinglayer/source/primitive3d/polygontubeprimitive3d.cxx
@@ -42,9 +42,10 @@ namespace drawinglayer
                 static Primitive3DSequence aLineTubeList;
                 static sal_uInt32 nLineTubeSegments(0L);
                 static attribute::MaterialAttribute3D aLineMaterial;
+                static ::osl::Mutex aMutex;
 
                 // may exclusively change static data, use mutex
-                ::osl::Mutex m_mutex;
+                ::osl::MutexGuard aGuard(aMutex);
 
                 if(nSegments != nLineTubeSegments || !(rMaterial == aLineMaterial))
                 {
diff --git a/drawinglayer/source/primitive3d/sdrextrudeprimitive3d.cxx b/drawinglayer/source/primitive3d/sdrextrudeprimitive3d.cxx
index a488ad06dc48..198710299dcd 100644
--- a/drawinglayer/source/primitive3d/sdrextrudeprimitive3d.cxx
+++ b/drawinglayer/source/primitive3d/sdrextrudeprimitive3d.cxx
@@ -377,7 +377,6 @@ namespace drawinglayer
             // again when no longer geometry is needed for non-visible 3D objects as it is now for chart
             if(getPolyPolygon().count() && !maSlices.size())
             {
-                ::osl::Mutex m_mutex;
                 const_cast< SdrExtrudePrimitive3D& >(*this).impCreateSlices();
             }
 
@@ -493,7 +492,6 @@ namespace drawinglayer
                 {
                     // conditions of last local decomposition with reduced lines have changed. Remember
                     // new one and clear current decompositiopn
-                    ::osl::Mutex m_mutex;
                     SdrExtrudePrimitive3D* pThat = const_cast< SdrExtrudePrimitive3D* >(this);
                     pThat->setBuffered3DDecomposition(Primitive3DSequence());
                     delete pThat->mpLastRLGViewInformation;
diff --git a/drawinglayer/source/primitive3d/sdrlatheprimitive3d.cxx b/drawinglayer/source/primitive3d/sdrlatheprimitive3d.cxx
index 78825bdf35d7..33e39b148e6a 100644
--- a/drawinglayer/source/primitive3d/sdrlatheprimitive3d.cxx
+++ b/drawinglayer/source/primitive3d/sdrlatheprimitive3d.cxx
@@ -233,7 +233,6 @@ namespace drawinglayer
             // again when no longer geometry is needed for non-visible 3D objects as it is now for chart
             if(getPolyPolygon().count() && !maSlices.size())
             {
-                ::osl::Mutex m_mutex;
                 const_cast< SdrLathePrimitive3D& >(*this).impCreateSlices();
             }
 
@@ -355,7 +354,6 @@ namespace drawinglayer
                 {
                     // conditions of last local decomposition with reduced lines have changed. Remember
                     // new one and clear current decompositiopn
-                    ::osl::Mutex m_mutex;
                     SdrLathePrimitive3D* pThat = const_cast< SdrLathePrimitive3D* >(this);
                     pThat->setBuffered3DDecomposition(Primitive3DSequence());
                     delete pThat->mpLastRLGViewInformation;