qt5-qtbase/0054-Fix-crash-when-app-is-going-to-shutdown-but-conf-man.patch
2019-06-26 11:26:52 -05:00

101 lines
4.4 KiB
Diff

From 9b6928b7cc6f12638ae625c67ecf437cfc694498 Mon Sep 17 00:00:00 2001
From: Val Doroshchuk <valentyn.doroshchuk@qt.io>
Date: Fri, 31 May 2019 14:15:53 +0200
Subject: [PATCH 054/105] Fix crash when app is going to shutdown but conf
manager is requested
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
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>
---
src/network/bearer/qnetworkconfigmanager.cpp | 27 ++++++++++----------
src/network/bearer/qnetworksession.cpp | 3 ++-
src/plugins/bearer/qnetworksession_impl.cpp | 13 +++++-----
3 files changed, 23 insertions(+), 20 deletions(-)
diff --git a/src/network/bearer/qnetworkconfigmanager.cpp b/src/network/bearer/qnetworkconfigmanager.cpp
index 81b5e01d6a..cd87c3669c 100644
--- a/src/network/bearer/qnetworkconfigmanager.cpp
+++ b/src/network/bearer/qnetworkconfigmanager.cpp
@@ -233,19 +233,20 @@ QNetworkConfigurationManager::QNetworkConfigurationManager(QObject *parent)
: QObject(parent)
{
QNetworkConfigurationManagerPrivate *priv = qNetworkConfigurationManagerPrivate();
-
- connect(priv, SIGNAL(configurationAdded(QNetworkConfiguration)),
- this, SIGNAL(configurationAdded(QNetworkConfiguration)));
- connect(priv, SIGNAL(configurationRemoved(QNetworkConfiguration)),
- this, SIGNAL(configurationRemoved(QNetworkConfiguration)));
- connect(priv, SIGNAL(configurationChanged(QNetworkConfiguration)),
- this, SIGNAL(configurationChanged(QNetworkConfiguration)));
- connect(priv, SIGNAL(onlineStateChanged(bool)),
- this, SIGNAL(onlineStateChanged(bool)));
- connect(priv, SIGNAL(configurationUpdateComplete()),
- this, SIGNAL(updateCompleted()));
-
- priv->enablePolling();
+ if (priv) {
+ connect(priv, SIGNAL(configurationAdded(QNetworkConfiguration)),
+ this, SIGNAL(configurationAdded(QNetworkConfiguration)));
+ connect(priv, SIGNAL(configurationRemoved(QNetworkConfiguration)),
+ this, SIGNAL(configurationRemoved(QNetworkConfiguration)));
+ connect(priv, SIGNAL(configurationChanged(QNetworkConfiguration)),
+ this, SIGNAL(configurationChanged(QNetworkConfiguration)));
+ connect(priv, SIGNAL(onlineStateChanged(bool)),
+ this, SIGNAL(onlineStateChanged(bool)));
+ connect(priv, SIGNAL(configurationUpdateComplete()),
+ this, SIGNAL(updateCompleted()));
+
+ priv->enablePolling();
+ }
}
/*!
diff --git a/src/network/bearer/qnetworksession.cpp b/src/network/bearer/qnetworksession.cpp
index 471d322998..1636bcee97 100644
--- a/src/network/bearer/qnetworksession.cpp
+++ b/src/network/bearer/qnetworksession.cpp
@@ -258,7 +258,8 @@ QNetworkSession::QNetworkSession(const QNetworkConfiguration &connectionConfig,
// invalid configuration
if (!connectionConfig.identifier().isEmpty()) {
- const auto engines = qNetworkConfigurationManagerPrivate()->engines();
+ auto priv = qNetworkConfigurationManagerPrivate();
+ const auto engines = priv ? priv->engines() : QList<QBearerEngine *>();
for (QBearerEngine *engine : engines) {
if (engine->hasIdentifier(connectionConfig.identifier())) {
d = engine->createSessionBackend();
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;
--
2.21.0