Fix crash on Desktop platforms.

Missing check for null networkSession.

Task-number: QTBUG-12501
(cherry picked from commit 597a842d66dc04181bfd063863216acbb11ce3bc)

1 files changed, 13 insertions, 11 deletions

diff --git a/examples/network/fortuneserver/server.cpp b/examples/network/fortuneserver/server.cpp
index b931b96..4dca38c 100644
--- a/examples/network/fortuneserver/server.cpp
+++ b/examples/network/fortuneserver/server.cpp
@@ -107,17 +107,19 @@ Server::Server(QWidget *parent)
 void Server::sessionOpened()
 {
     // Save the used configuration
-    QNetworkConfiguration config = networkSession->configuration();
-    QString id;
-    if (config.type() == QNetworkConfiguration::UserChoice)
-        id = networkSession->sessionProperty(QLatin1String("UserChoiceConfiguration")).toString();
-    else
-        id = config.identifier();
-
-    QSettings settings(QSettings::UserScope, QLatin1String("Trolltech"));
-    settings.beginGroup(QLatin1String("QtNetwork"));
-    settings.setValue(QLatin1String("DefaultNetworkConfiguration"), id);
-    settings.endGroup();
+    if (networkSession) {
+        QNetworkConfiguration config = networkSession->configuration();
+        QString id;
+        if (config.type() == QNetworkConfiguration::UserChoice)
+            id = networkSession->sessionProperty(QLatin1String("UserChoiceConfiguration")).toString();
+        else
+            id = config.identifier();
+
+        QSettings settings(QSettings::UserScope, QLatin1String("Trolltech"));
+        settings.beginGroup(QLatin1String("QtNetwork"));
+        settings.setValue(QLatin1String("DefaultNetworkConfiguration"), id);
+        settings.endGroup();
+    }
 
 //! [0] //! [1]
     tcpServer = new QTcpServer(this);