--- mqtt/src/Attic/aitmqtt.c	2011/11/21 16:28:05	1.1.1.1.2.6
+++ mqtt/src/Attic/aitmqtt.c	2011/11/21 16:42:43	1.1.1.1.2.7
@@ -254,7 +254,7 @@ mqtt_freeSub(mqtt_subscr_t ** __restrict subs)
 	if (!subs)
 		return;
 
-	for (v = *subs; v; v++)
+	for (v = *subs; v->sub_data; v++)
 		free(v->sub_data);
 	free(*subs);
 	*subs = NULL;