Index: /trunk/src/VBox/Additions/x11/VBoxClient/draganddrop.cpp
===================================================================
--- /trunk/src/VBox/Additions/x11/VBoxClient/draganddrop.cpp	(revision 85923)
+++ /trunk/src/VBox/Additions/x11/VBoxClient/draganddrop.cpp	(revision 85924)
@@ -1664,7 +1664,8 @@
         VBoxDnDAtomList lstActions;
         rc = toAtomActions(dndListActionsAllowed, lstActions);
-        if (RT_FAILURE(rc))
-            break;
+        AssertRCBreak(rc);
+
         rc = wndXDnDSetActionList(m_wndProxy.hWnd, lstActions);
+        AssertRCBreak(rc);
 
         /* Set the DnD selection owner to our window. */