From 5637f837a358350b697c0e915620268a55440ff7 Mon Sep 17 00:00:00 2001
From: Michael Zillgith <michael.zillgith@mz-automation.de>
Date: Mon, 1 Feb 2016 10:33:40 +0100
Subject: [PATCH] - fixed bug related to test case SrvN1c: GetDataDirectory
 returns wrong variable specification for non-existent sub variable e.g.
 Mod.ctlModel.XYZ

---
 src/mms/iso_mms/common/mms_type_spec.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/mms/iso_mms/common/mms_type_spec.c b/src/mms/iso_mms/common/mms_type_spec.c
index e88e70d5..9ccc1a12 100644
--- a/src/mms/iso_mms/common/mms_type_spec.c
+++ b/src/mms/iso_mms/common/mms_type_spec.c
@@ -165,6 +165,8 @@ MmsVariableSpecification_getNamedVariableRecursive(MmsVariableSpecification* var
 
                 namedVariable = MmsVariableSpecification_getNamedVariableRecursive(namedVariable, separator + 1);
             }
+            else /* ERROR: request for a child element of a simple (leaf-node) variable */
+                return NULL;
         }
 
         return namedVariable;