From 64915c69b67ce399272544c575218931b224de72 Mon Sep 17 00:00:00 2001
From: vierfuffzig <tunella@gmx.de>
Date: Wed, 12 Sep 2018 10:39:25 +0000
Subject: [PATCH] AP_OSD: check for airspeed object

---
 libraries/AP_OSD/AP_OSD_Screen.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libraries/AP_OSD/AP_OSD_Screen.cpp b/libraries/AP_OSD/AP_OSD_Screen.cpp
index e6b6b8f30e..141761c1a4 100644
--- a/libraries/AP_OSD/AP_OSD_Screen.cpp
+++ b/libraries/AP_OSD/AP_OSD_Screen.cpp
@@ -973,6 +973,9 @@ void AP_OSD_Screen::draw_bat2used(uint8_t x, uint8_t y)
 void AP_OSD_Screen::draw_aspd2(uint8_t x, uint8_t y)
 {
     AP_Airspeed *airspeed = AP_Airspeed::get_singleton();
+    if (!airspeed) {
+        return;
+    }
     float asp2 = airspeed->get_airspeed(1);
     if (airspeed != nullptr && airspeed->healthy(1)) {
         backend->write(x, y, false, "%c%4d%c", SYM_ASPD, (int)u_scale(SPEED, asp2), u_icon(SPEED));