Make Qt exception safer.

Squashed commit of the branch haralds-haralds-qt-s60-topics/topic/exceptions,
which also contains the full history.

Rev-By: Harald Fernengel
Rev-By: Ralf Engels

1 files changed, 3 insertions, 4 deletions

diff --git a/src/corelib/plugin/qlibrary.cpp b/src/corelib/plugin/qlibrary.cpp
index 420dd1d..0ca0169 100644
--- a/src/corelib/plugin/qlibrary.cpp
+++ b/src/corelib/plugin/qlibrary.cpp
@@ -611,10 +611,10 @@ bool QLibraryPrivate::isPlugin(QSettings *settings)
                      .arg(fileName);
     QStringList reg;
 #ifndef QT_NO_SETTINGS
-    bool madeSettings = false;
+    QScopedPointer<QSettings> madeSettings;
     if (!settings) {
         settings = new QSettings(QSettings::UserScope, QLatin1String("Trolltech"));
-        madeSettings = true;
+        madeSettings.reset(settings);
     }
     reg = settings->value(regkey).toStringList();
 #endif
@@ -708,8 +708,7 @@ bool QLibraryPrivate::isPlugin(QSettings *settings)
 #endif
     }
 #ifndef QT_NO_SETTINGS
-    if (madeSettings)
-        delete settings;
+    madeSettings.reset();
 #endif
 
     if (!success) {