Fix potential null pointer dereferencing

These were found by
http://www.viva64.com/en/b/025
most issues are rather cosmetic.

Change-Id: I7cc12610aae6a43d26bedb9b480863c0695ddfa3
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>

1 files changed, 10 insertions, 6 deletions

diff --git a/src/qml/qml/qqmlimport.cpp b/src/qml/qml/qqmlimport.cpp
index 5799886faa..bde61dca9d 100644
--- a/src/qml/qml/qqmlimport.cpp
+++ b/src/qml/qml/qqmlimport.cpp
@@ -1851,17 +1851,21 @@ bool QQmlImportDatabase::registerPluginTypes(QObject *instance, const QString &b
             // This is an 'identified' module
             if (typeNamespace != uri) {
                 // The namespace for type registrations must match the URI for locating the module
-                QQmlError error;
-                error.setDescription(tr("Module namespace '%1' does not match import URI '%2'").arg(typeNamespace).arg(uri));
-                errors->prepend(error);
+                if (errors) {
+                    QQmlError error;
+                    error.setDescription(tr("Module namespace '%1' does not match import URI '%2'").arg(typeNamespace).arg(uri));
+                    errors->prepend(error);
+                }
                 return false;
             }
 
             if (QQmlMetaType::namespaceContainsRegistrations(typeNamespace)) {
                 // Other modules have already installed to this namespace
-                QQmlError error;
-                error.setDescription(tr("Namespace '%1' has already been used for type registration").arg(typeNamespace));
-                errors->prepend(error);
+                if (errors) {
+                    QQmlError error;
+                    error.setDescription(tr("Namespace '%1' has already been used for type registration").arg(typeNamespace));
+                    errors->prepend(error);
+                }
                 return false;
             } else {
                 QQmlMetaType::protectNamespace(typeNamespace);