From 2a579987c2a4ffc85ee5867492381bd57aebd731 Mon Sep 17 00:00:00 2001
From: Dirk Hohndel <dirk@hohndel.org>
Date: Fri, 1 Jan 2021 11:04:55 -0800
Subject: fix potential crash in GPS code

If we don't have a GpsLocation instance, we shouldn't dereference it.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
---
 qt-models/gpslistmodel.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/qt-models/gpslistmodel.cpp b/qt-models/gpslistmodel.cpp
index 5fa7d1081..1cb6c8271 100644
--- a/qt-models/gpslistmodel.cpp
+++ b/qt-models/gpslistmodel.cpp
@@ -11,7 +11,10 @@ GpsListModel::GpsListModel()
 
 void GpsListModel::update()
 {
-	QVector<gpsTracker> trackers = QVector<gpsTracker>::fromList(GpsLocation::instance()->currentGPSInfo().values());
+	GpsLocation *glp = GpsLocation::instance();
+	if (!glp)
+		return;
+	QVector<gpsTracker> trackers = QVector<gpsTracker>::fromList(glp->currentGPSInfo().values());
 	beginResetModel();
 	m_gpsFixes = trackers;
 	endResetModel();
-- 
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