Index: drivers/ksfilter/ks/api.c
===================================================================
--- drivers/ksfilter/ks/api.c	(revision 71259)
+++ drivers/ksfilter/ks/api.c	(working copy)
@@ -2378,7 +2378,11 @@
         /* now copy the property sets */
         Status = KspCopyPropertySets(Table, AutomationTableA, AutomationTableB, Bag);
         if(!NT_SUCCESS(Status))
+        {
+            /* Table is already freed */
+            Table = NULL;
             goto cleanup;
+        }
 
     }