From 0728eec78c7c2826d78879481852688b6859fff6 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Wed, 26 Mar 2014 21:30:16 +1300
Subject: Check for null device id (fix #625)

---
 src/org/traccar/protocol/SyrusProtocolDecoder.java | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src')

diff --git a/src/org/traccar/protocol/SyrusProtocolDecoder.java b/src/org/traccar/protocol/SyrusProtocolDecoder.java
index e64544307..9b7a4d43f 100644
--- a/src/org/traccar/protocol/SyrusProtocolDecoder.java
+++ b/src/org/traccar/protocol/SyrusProtocolDecoder.java
@@ -118,6 +118,8 @@ public class SyrusProtocolDecoder extends BaseProtocolDecoder {
             if (sendResponse && channel != null) {
                 channel.write(id);
             }
+        } else {
+            return null;
         }
 
         // Parse message
-- 
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