Index: trunk/psLib/src/imageops/psImageStats.c
===================================================================
--- trunk/psLib/src/imageops/psImageStats.c	(revision 11759)
+++ trunk/psLib/src/imageops/psImageStats.c	(revision 11760)
@@ -9,6 +9,6 @@
  *  @author GLG, MHPCC
  *
- *  @version $Revision: 1.104 $ $Name: not supported by cvs2svn $
- *  @date $Date: 2007-02-13 03:01:23 $
+ *  @version $Revision: 1.105 $ $Name: not supported by cvs2svn $
+ *  @date $Date: 2007-02-13 03:08:17 $
  *
  *  Copyright 2004-2005 Maui High Performance Computing Center, University of Hawaii
@@ -183,5 +183,10 @@
     }
 
-    out = psVectorHistogram(out, junkData, NULL, junkMask, maskVal);
+    if (!psVectorHistogram(out, junkData, NULL, junkMask, maskVal)) {
+        psError(PS_ERR_UNKNOWN, false, "Unable to generate image histogram.\n");
+        psFree(junkMask);
+        psFree(junkData);
+        return false;
+    }
 
     psFree(junkMask);