From 9bc8753f2775a6c205fbd9d42b3fe37db15d4f9d Mon Sep 17 00:00:00 2001
From: Michael Zanetti <michael_zanetti@gmx.net>
Date: Sat, 12 Dec 2020 22:57:12 +0100
Subject: [PATCH] Fix an occational crash when an interface has no IP addresses

Fixes: #12
---
 libnymea-networkmanager/networkdevice.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libnymea-networkmanager/networkdevice.cpp b/libnymea-networkmanager/networkdevice.cpp
index 4603e22..c40792a 100644
--- a/libnymea-networkmanager/networkdevice.cpp
+++ b/libnymea-networkmanager/networkdevice.cpp
@@ -350,6 +350,9 @@ QStringList NetworkDevice::readIpAddresses(const QString &property, const QStrin
         QDBusInterface iface(NetworkManagerUtils::networkManagerServiceString(), configPath.path(), "org.freedesktop.DBus.Properties", QDBusConnection::systemBus());
 
         QDBusMessage reply = iface.call("Get", interface, "AddressData");
+        if (reply.arguments().isEmpty()) {
+            return ret;
+        }
         QVariant v = reply.arguments().first();
         QDBusArgument arg = v.value<QDBusVariant>().variant().value<QDBusArgument>();