add a safe-guard

diff --git a/libs/ardour/plugin_insert.cc b/libs/ardour/plugin_insert.cc
index 6394f48feeb188f497e129fbbdd0d7f52b959332..6720b41f9321105ad189e730522cad5c64286461 100644 (file)
--- a/libs/ardour/plugin_insert.cc
+++ b/libs/ardour/plugin_insert.cc
@@ -2960,6 +2960,7 @@ PluginInsert::latency_changed ()
        // this is called in RT context, LatencyChanged is emitted after run()
        _latency_changed = true;
        // XXX This also needs a proper API not an owner() hack.
+       assert (owner ());
        static_cast<Route*>(owner ())->processor_latency_changed (); /* EMIT SIGNAL */
 }