[or-cvs] Avoid double-free on tor-resolve failure

[nickm@xxxxxxxx (Nick Mathewson)]

Update of /home/or/cvsroot/tor/src/or
In directory moria.mit.edu:/tmp/cvs-serv6387/src/or

Modified Files:
	connection_edge.c 
Log Message:
Avoid double-free on tor-resolve failure

Index: connection_edge.c
===================================================================
RCS file: /home/or/cvsroot/tor/src/or/connection_edge.c,v
retrieving revision 1.274
retrieving revision 1.275
diff -u -d -r1.274 -r1.275
--- connection_edge.c	5 Feb 2005 21:03:24 -0000	1.274
+++ connection_edge.c	5 Feb 2005 23:55:21 -0000	1.275
@@ -906,8 +906,10 @@
 
   /* send it off to the gethostbyname farm */
   switch (dns_resolve(dummy_conn)) {
-    case 1: /* The result was cached; a resolved cell was sent. */
     case -1: /* Impossible to resolve; a resolved cell was sent. */
+      /* Connection freed; don't touch it. */
+      return 0;
+    case 1: /* The result was cached; a resolved cell was sent. */
       connection_free(dummy_conn);
       return 0;
     case 0: /* resolve added to pending list */