[or-cvs] r17680: {tor} Do not leak the DNS server port structure. (tor/trunk/src/or)

[nickm@xxxxxxxx]

Author: nickm
Date: 2008-12-18 10:00:18 -0500 (Thu, 18 Dec 2008)
New Revision: 17680

Modified:
   tor/trunk/src/or/eventdns.c
Log:
Do not leak the DNS server port structure.

Modified: tor/trunk/src/or/eventdns.c
===================================================================
--- tor/trunk/src/or/eventdns.c	2008-12-18 15:00:13 UTC (rev 17679)
+++ tor/trunk/src/or/eventdns.c	2008-12-18 15:00:18 UTC (rev 17680)
@@ -1598,9 +1598,9 @@
 void
 evdns_close_server_port(struct evdns_server_port *port)
 {
+	port->closing = 1;
 	if (--port->refcnt == 0)
 		server_port_free(port);
-	port->closing = 1;
 }
 
 /* exported function */
@@ -1943,7 +1943,8 @@
 	return (0);
 }
 
-/* Free all storage held by an evdns_server_port.  Only called when  */
+/* Free all storage held by an evdns_server_port.  Only called when the
+ * reference count is down to 0. */
 static void
 server_port_free(struct evdns_server_port *port)
 {
@@ -1956,8 +1957,8 @@
 	}
 	(void) event_del(&port->event);
 	CLEAR(&port->event);
-	/* XXXX021 actually free the port? -NM */
-	/* XXXX yes, and fix up evdns_close_server_port to dtrt. -NM */
+	CLEAR(port);
+	free(port);
 }
 
 /* exported function */