Fix a crash when we fetch a descriptor that turns out to be

unexpected (it used to be in our networkstatus when we started
fetching it, but it isn't in our current networkstatus), and we
aren't using bridges. Bugfix on 0.2.0.x.


svn:r12911

ChangeLog

@@ -1,4 +1,10 @@
 Changes in version 0.2.0.14-alpha - 2007-12-??
+  o Major bugfixes:
+    - Fix a crash when we fetch a descriptor that turns out to be
+      unexpected (it used to be in our networkstatus when we started
+      fetching it, but it isn't in our current networkstatus), and we
+      aren't using bridges. Bugfix on 0.2.0.x.
+
   o Minor bugfixes:
     - Make the unit tests build again.
 

src/or/circuitbuild.c

@@ -2853,6 +2853,8 @@ clear_bridge_list(void)
 static bridge_info_t *
 routerinfo_get_configured_bridge(routerinfo_t *ri)
 {
+  if (!bridge_list)
+    return NULL;
   SMARTLIST_FOREACH(bridge_list, bridge_info_t *, bridge,
     {
       if (tor_digest_is_zero(bridge->identity) &&