Correctly dispose of the source in EBookBackend

diff --git a/addressbook/libedata-book/e-book-backend.c b/addressbook/libedata-book/e-book-backend.c
index 815eaa4..2468180 100644 (file)
--- a/addressbook/libedata-book/e-book-backend.c
+++ b/addressbook/libedata-book/e-book-backend.c
@@ -1042,6 +1042,7 @@ e_book_backend_init (EBookBackend *backend)
 
        priv          = g_new0 (EBookBackendPrivate, 1);
        priv->clients = NULL;
+       priv->source = NULL;
        priv->views   = e_list_new((EListCopyFunc) NULL, (EListFreeFunc) NULL, NULL);
        priv->open_mutex = g_mutex_new ();
        priv->clients_mutex = g_mutex_new ();
@@ -1065,7 +1066,10 @@ e_book_backend_dispose (GObject *object)
                        backend->priv->views = NULL;
                }
 
-               g_object_unref (backend->priv->source);
+               if (backend->priv->source) {
+                       g_object_unref (backend->priv->source);
+                       backend->priv->source = NULL;
+               }
 
                g_mutex_free (backend->priv->open_mutex);
                g_mutex_free (backend->priv->clients_mutex);