From 901c331745c8aed5593ca80f3faff5ee4d06d2a8 Mon Sep 17 00:00:00 2001
From: Kevin Goos <kevin.goos@infrabel.be>
Date: Fri, 16 Mar 2018 12:13:02 +0100
Subject: Added null check

---
 src/org/traccar/protocol/LaipacSFKamelProtocolDecoder.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

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

diff --git a/src/org/traccar/protocol/LaipacSFKamelProtocolDecoder.java b/src/org/traccar/protocol/LaipacSFKamelProtocolDecoder.java
index 0d3995144..dc169c668 100644
--- a/src/org/traccar/protocol/LaipacSFKamelProtocolDecoder.java
+++ b/src/org/traccar/protocol/LaipacSFKamelProtocolDecoder.java
@@ -118,8 +118,9 @@ public class LaipacSFKamelProtocolDecoder extends BaseProtocolDecoder {
             checksum = parser.next();
         }
 
+
         String result = sentence.replaceAll("^\\$(.*)\\*[0-9a-fA-F]{2}$", "$1");
-        if (Integer.parseInt(checksum, 16) != Checksum.xor(result))
+        if (checksum == null || Integer.parseInt(checksum, 16) != Checksum.xor(result))
         {
             return null;
         }
-- 
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