AFAICT, it is perfectly valid for sp->vcl to be NULL here.

git-svn-id: http://www.varnish-cache.org/svn/trunk/varnish-cache@2208 d4fa192b-c00b-0410-8231-f00ffab90ce4

bin/varnishd/cache_center.c

@@ -191,7 +191,7 @@ cnt_done(struct sess *sp)
 	int i;
 
 	CHECK_OBJ_NOTNULL(sp, SESS_MAGIC);
-	CHECK_OBJ_NOTNULL(sp->vcl, VCL_CONF_MAGIC);
+	CHECK_OBJ_ORNULL(sp->vcl, VCL_CONF_MAGIC);
 
 	AZ(sp->obj);
 	AZ(sp->bereq);