From fcdea01510dc9bf7144c76f4dd3a08c8c4eebaca Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Tue, 24 Nov 2015 22:58:06 +1300
Subject: Fix Ulbotech event data decoding

---
 src/org/traccar/protocol/UlbotechProtocolDecoder.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src/org/traccar/protocol')

diff --git a/src/org/traccar/protocol/UlbotechProtocolDecoder.java b/src/org/traccar/protocol/UlbotechProtocolDecoder.java
index 5d882ffd8..dd6fb1593 100644
--- a/src/org/traccar/protocol/UlbotechProtocolDecoder.java
+++ b/src/org/traccar/protocol/UlbotechProtocolDecoder.java
@@ -204,7 +204,9 @@ public class UlbotechProtocolDecoder extends BaseProtocolDecoder {
 
                 case DATA_EVENT:
                     position.set(Event.KEY_EVENT, buf.readUnsignedByte());
-                    position.set("event-mask", buf.readUnsignedInt());
+                    if (length > 1) {
+                        position.set("event-mask", buf.readUnsignedInt());
+                    }
                     break;
 
                 default:
-- 
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