Fix leak in QFactoryLoader

We need to release the library in case of errors

1 files changed, 3 insertions, 1 deletions

diff --git a/src/corelib/plugin/qfactoryloader.cpp b/src/corelib/plugin/qfactoryloader.cpp
index 1be32ad531..c0b947ad19 100644
--- a/src/corelib/plugin/qfactoryloader.cpp
+++ b/src/corelib/plugin/qfactoryloader.cpp
@@ -155,9 +155,11 @@ void QFactoryLoader::update()
                     continue;
                 }
                 QObject *instance = library->instance();
-                if (!instance)
+                if (!instance) {
+                    library->release();
                     // ignore plugins that have a valid signature but cannot be loaded.
                     continue;
+                }
                 QFactoryInterface *factory = qobject_cast<QFactoryInterface*>(instance);
                 if (instance && factory && instance->qt_metacast(d->iid))
                     keys = factory->keys();