From c6c59174b3665897122cd9e0feebd6c666ee211c Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <tridge@samba.org>
Date: Mon, 26 Aug 2013 08:11:52 +1000
Subject: [PATCH] AP_Airspeed: return when airspeed init fails

---
 libraries/AP_Airspeed/AP_Airspeed.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libraries/AP_Airspeed/AP_Airspeed.cpp b/libraries/AP_Airspeed/AP_Airspeed.cpp
index 7dbd6589c6..c7366e9995 100644
--- a/libraries/AP_Airspeed/AP_Airspeed.cpp
+++ b/libraries/AP_Airspeed/AP_Airspeed.cpp
@@ -96,6 +96,7 @@ void AP_Airspeed::init()
         if (_ets_fd == -1) {
             hal.console->println("Failed to open ETS airspeed driver");
             _enable.set(0);
+            return;
         }
         if (OK != ioctl(_ets_fd, SENSORIOCSPOLLRATE, 100) ||
             OK != ioctl(_ets_fd, SENSORIOCSQUEUEDEPTH, 15)) {