From 8a891591a8eee665fe31f5ff4a1d7dfe47ff00a5 Mon Sep 17 00:00:00 2001
From: Thomas Gubler <thomasgubler@gmail.com>
Date: Sat, 16 May 2015 19:05:31 +0200
Subject: [PATCH] make constrain airspeed actually constrain the airspeed

---
 src/lib/ecl/attitude_fw/ecl_controller.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/lib/ecl/attitude_fw/ecl_controller.cpp b/src/lib/ecl/attitude_fw/ecl_controller.cpp
index 9cd08a50d4..95ccf4130f 100644
--- a/src/lib/ecl/attitude_fw/ecl_controller.cpp
+++ b/src/lib/ecl/attitude_fw/ecl_controller.cpp
@@ -132,9 +132,9 @@ float ECL_Controller::constrain_airspeed(float airspeed, float minspeed, float m
 	float airspeed_result = airspeed;
 	if (!isfinite(airspeed)) {
 		/* airspeed is NaN, +- INF or not available, pick center of band */
-		airspeed = 0.5f * (minspeed + maxspeed);
+		airspeed_result = 0.5f * (minspeed + maxspeed);
 	} else if (airspeed < minspeed) {
-		airspeed = minspeed;
+		airspeed_result = minspeed;
 	}
 	return airspeed_result;
 }