Index: trunk/Ohana/src/opihi/dvo/avextract.c
===================================================================
--- trunk/Ohana/src/opihi/dvo/avextract.c	(revision 20575)
+++ trunk/Ohana/src/opihi/dvo/avextract.c	(revision 20819)
@@ -65,5 +65,5 @@
   // parse stack elements into fields and scalars as needed
   Nreturn = Nfields; 
-  dbCheckStack (stack, Nstack, DVO_TABLE_AVERAGE, &fields, &Nfields);
+  if (!dbCheckStack (stack, Nstack, DVO_TABLE_AVERAGE, &fields, &Nfields)) goto escape;
   // XXX handle errors