From 4263c1a90c92fd086ae80b1ace15ca38ef7647b9 Mon Sep 17 00:00:00 2001
From: Peter Barker <pbarker@barker.dropbear.id.au>
Date: Mon, 11 Sep 2017 21:28:04 +1000
Subject: [PATCH] DataFlash: file not being initialised means logging is failed

---
 libraries/DataFlash/DataFlash_File.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libraries/DataFlash/DataFlash_File.cpp b/libraries/DataFlash/DataFlash_File.cpp
index 3e296111b2..ed3fd20dc1 100644
--- a/libraries/DataFlash/DataFlash_File.cpp
+++ b/libraries/DataFlash/DataFlash_File.cpp
@@ -1194,6 +1194,9 @@ bool DataFlash_File::io_thread_alive() const
 
 bool DataFlash_File::logging_failed() const
 {
+    if (!_initialised) {
+        return true;
+    }
     if (_open_error) {
         return true;
     }