From: Arran Cudbard-Bell <a.cudbardb@freeradius.org>
Date: Wed, 5 Jul 2017 20:23:29 +0000 (-0400)
Subject: Free xlat_root when there are no registrations left
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a644d99649517e84fbfc2d367baa9e7f7d70ae8c;p=thirdparty%2Ffreeradius-server.git

Free xlat_root when there are no registrations left
---

diff --git a/src/main/xlat_func.c b/src/main/xlat_func.c
index b5bc08bb1a3..e8ffedcffd7 100644
--- a/src/main/xlat_func.c
+++ b/src/main/xlat_func.c
@@ -820,6 +820,8 @@ void xlat_unregister(void *mod_inst, char const *name, UNUSED xlat_func_t func)
 	if (c->mod_inst != mod_inst) return;
 
 	rbtree_deletebydata(xlat_root, c);
+
+	if (rbtree_num_elements(xlat_root) == 0) TALLOC_FREE(xlat_root);
 }
 
 static int xlat_unregister_callback(void *mod_inst, void *data)
@@ -836,6 +838,8 @@ void xlat_unregister_module(void *instance)
 	if (!xlat_root) return;	/* All xlats have already been freed */
 
 	rbtree_walk(xlat_root, RBTREE_DELETE_ORDER, xlat_unregister_callback, instance);
+
+	if (rbtree_num_elements(xlat_root) == 0) TALLOC_FREE(xlat_root);
 }
 
 /*