From f72ff7d2a27437137f83fe7deb02040e12e002a4 Mon Sep 17 00:00:00 2001
From: Nathaniel Warner <nathanielwarner77@gmail.com>
Date: Sun, 6 Dec 2020 11:44:04 -0800
Subject: [PATCH] Fix segfault when trying to load corrupt orthophoto

---
 simgear/scene/util/OrthophotoManager.cxx | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/simgear/scene/util/OrthophotoManager.cxx b/simgear/scene/util/OrthophotoManager.cxx
index 3a3ce9c8..73d15d31 100644
--- a/simgear/scene/util/OrthophotoManager.cxx
+++ b/simgear/scene/util/OrthophotoManager.cxx
@@ -219,6 +219,9 @@ namespace simgear {
             path.concat(".png");
             if (path.exists()) {
                 ImageRef image = osgDB::readRefImageFile(path.str());
+                if (!image) {
+                    return nullptr;
+                }
                 image->flipVertical();
                 OrthophotoBounds bbox = OrthophotoBounds::fromBucket(bucket);
                 return new Orthophoto(image, bbox);