Index: abstract.c
===================================================================
--- abstract.c	(revision 5330)
+++ abstract.c	(revision 5331)
@@ -185,6 +185,7 @@
 	port = calloc(sizeof(csch_aport_t), 1);
 	csch_aobj_init(abs, &port->hdr, CSCH_ATYPE_PORT);
 	port->name = rnd_strdup(name);
+	port->parent = comp;
 
 	if (comp != NULL)
 		htsp_set(&comp->ports, port->name, port);