Fix crash when app is going to shutdown but conf manager is requested

If the app is finished and going to shutdown,
qNetworkConfigurationManagerPrivate() returns nullptr.

Change-Id: I01915021d8698802b3a1d0dee43203cd3d4aba74
Task-number: QTBUG-76090
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
 
 

1 files changed, 7 insertions, 6 deletions

diff --git a/src/plugins/bearer/qnetworksession_impl.cpp b/src/plugins/bearer/qnetworksession_impl.cpp
index 847479047f..903525a204 100644
--- a/src/plugins/bearer/qnetworksession_impl.cpp
+++ b/src/plugins/bearer/qnetworksession_impl.cpp
@@ -56,12 +56,13 @@ QT_BEGIN_NAMESPACE
 static QBearerEngineImpl *getEngineFromId(const QString &id)
 {
     QNetworkConfigurationManagerPrivate *priv = qNetworkConfigurationManagerPrivate();
-
-    const auto engines = priv->engines();
-    for (QBearerEngine *engine : engines) {
-        QBearerEngineImpl *engineImpl = qobject_cast<QBearerEngineImpl *>(engine);
-        if (engineImpl && engineImpl->hasIdentifier(id))
-            return engineImpl;
+    if (priv) {
+        const auto engines = priv->engines();
+        for (QBearerEngine *engine : engines) {
+            QBearerEngineImpl *engineImpl = qobject_cast<QBearerEngineImpl *>(engine);
+            if (engineImpl && engineImpl->hasIdentifier(id))
+                return engineImpl;
+        }
     }
 
     return 0;