From e326c7ed3df400d385a1c86de94d81383b47ddc5 Mon Sep 17 00:00:00 2001
From: Michael Zillgith <michael.zillgith@mz-automation.de>
Date: Fri, 26 Sep 2025 12:14:33 +0100
Subject: [PATCH] - IedServer: fixed IedServer_updateAttributeValue to avoid
 that boolean data updates trigger two dupd reports (LIB61850-532)

---
 src/iec61850/server/impl/ied_server.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/iec61850/server/impl/ied_server.c b/src/iec61850/server/impl/ied_server.c
index 9b00d334..68c2232f 100644
--- a/src/iec61850/server/impl/ied_server.c
+++ b/src/iec61850/server/impl/ied_server.c
@@ -1351,6 +1351,8 @@ IedServer_updateAttributeValue(IedServer self, DataAttribute* dataAttribute, Mms
         {
             /* Special treatment because of transient option */
             IedServer_updateBooleanAttributeValue(self, dataAttribute, MmsValue_getBoolean(value));
+
+            return;
         }
         else
         {