voicecall: set call_list to NULL

diff --git a/src/voicecall.c b/src/voicecall.c
index afda96a..3e8fa46 100644 (file)
--- a/src/voicecall.c
+++ b/src/voicecall.c
@@ -2201,6 +2201,7 @@ static void voicecall_unregister(struct ofono_atom *atom)
                voicecall_dbus_unregister(vc, l->data);
 
        g_slist_free(vc->call_list);
+       vc->call_list = NULL;
 
        ofono_modem_remove_interface(modem, OFONO_VOICECALL_MANAGER_INTERFACE);
        g_dbus_unregister_interface(conn, path,