From 281d3b1189287c7d943446433d668324a7ad036c Mon Sep 17 00:00:00 2001
From: Michael du Breuil <wicked.shell.scripts@gmail.com>
Date: Mon, 11 Mar 2019 14:06:56 -0700
Subject: [PATCH] AC_Fence: check the return value of fetching the EKF origin

---
 libraries/AC_Fence/AC_Fence.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libraries/AC_Fence/AC_Fence.cpp b/libraries/AC_Fence/AC_Fence.cpp
index 1a24dd2714..161ee213a7 100644
--- a/libraries/AC_Fence/AC_Fence.cpp
+++ b/libraries/AC_Fence/AC_Fence.cpp
@@ -550,7 +550,9 @@ bool AC_Fence::load_polygon_from_eeprom(bool force_reload)
         return false;
     }
     struct Location ekf_origin {};
-    AP::ahrs().get_origin(ekf_origin);
+    if (!AP::ahrs().get_origin(ekf_origin)) {
+        return false;
+    }
 
     // sanity check total
     _total = constrain_int16(_total, 0, _poly_loader.max_points());