From ca632cfe4efecd41d10a88fe1e4baa8bec1e711b Mon Sep 17 00:00:00 2001
From: James Turner <james@flightgear.org>
Date: Wed, 17 Mar 2021 11:44:21 +0000
Subject: [PATCH] Fix crash with auto-coordination. (Eg, the Beaver)
Identified by Michiel Fierst.
---
src/Aircraft/controls.cxx | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/src/Aircraft/controls.cxx b/src/Aircraft/controls.cxx
index aff4f8f19..d22f81b6b 100644
--- a/src/Aircraft/controls.cxx
+++ b/src/Aircraft/controls.cxx
@@ -545,7 +545,9 @@ FGControls::move_elevator_trim( double amt )
void FGControls::set_rudder(double pos)
{
_inner_set_rudder(pos);
- _rudderNode->fireValueChanged();
+ if (_rudderNode) {
+ _rudderNode->fireValueChanged();
+ }
}
void