2 files changed, 7 insertions, 0 deletions
diff --git a/src/gui/image/qpixmap_x11.cpp b/src/gui/image/qpixmap_x11.cpp
index 9d99d2e..725caeb 100644
--- a/src/gui/image/qpixmap_x11.cpp
+++ b/src/gui/image/qpixmap_x11.cpp
@@ -1288,6 +1288,12 @@ void QX11PixmapData::setMask(const QBitmap &newmask)
                              0, 0, 0, 0, 0, 0, w, h);
             release();
             *this = newData;
+            // the new QX11PixmapData object isn't referenced yet, so
+            // ref it
+            ref.ref();
+
+            // the below is to make sure the QX11PixmapData destructor
+            // doesn't delete our newly created render picture
             newData.hd = 0;
             newData.x11_mask = 0;
             newData.picture = 0;
diff --git a/src/gui/image/qpixmapdata_p.h b/src/gui/image/qpixmapdata_p.h
index df26c42..abb3181 100644
--- a/src/gui/image/qpixmapdata_p.h
+++ b/src/gui/image/qpixmapdata_p.h
@@ -110,6 +110,7 @@ protected:
 private:
     friend class QPixmap;
     friend class QGLContextPrivate;
+    friend class QX11PixmapData;
 
     QAtomicInt ref;
     int detach_no;