From b5f0858fb881c803be83c0fb105c6b8b993b0a78 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Tue, 27 Jun 2017 00:03:53 +1200
Subject: Fix X1 GT06 photo decoding

---
 src/org/traccar/protocol/Gt06ProtocolDecoder.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/org/traccar/protocol/Gt06ProtocolDecoder.java b/src/org/traccar/protocol/Gt06ProtocolDecoder.java
index 4d8161af9..0821de722 100644
--- a/src/org/traccar/protocol/Gt06ProtocolDecoder.java
+++ b/src/org/traccar/protocol/Gt06ProtocolDecoder.java
@@ -507,7 +507,7 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
             buf.readUnsignedInt(); // offset
             buf.readBytes(photo, buf.readUnsignedShort());
 
-            if (buf.writableBytes() > 0) {
+            if (photo.writableBytes() > 0) {
                 sendPhotoRequest(channel, pictureId);
             } else {
                 Device device = Context.getDeviceManager().getDeviceById(deviceSession.getDeviceId());
-- 
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