From c8cc83505b40eefa3b4d6a91e145d837c2a399e3 Mon Sep 17 00:00:00 2001
From: DonLakeFlyer <don@thegagnes.com>
Date: Mon, 7 Dec 2015 11:29:49 +0900
Subject: [PATCH] Copter: return success or failure of get home position

---
 ArduCopter/GCS_Mavlink.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/ArduCopter/GCS_Mavlink.cpp b/ArduCopter/GCS_Mavlink.cpp
index 9107da307e..0ddf4fae72 100644
--- a/ArduCopter/GCS_Mavlink.cpp
+++ b/ArduCopter/GCS_Mavlink.cpp
@@ -1387,7 +1387,10 @@ void GCS_MAVLINK::handleMessage(mavlink_message_t* msg)
             break;
 
         case MAV_CMD_GET_HOME_POSITION:
-            send_home(copter.ahrs.get_home());
+            if (copter.ap.home_state != HOME_UNSET) {
+                send_home(copter.ahrs.get_home());
+                result = MAV_RESULT_ACCEPTED;
+            }
             break;
 
         case MAV_CMD_DO_SET_SERVO: