From 6bf5d49b8a102b34ca6bb8c54f92c0ba63f4268e Mon Sep 17 00:00:00 2001
From: Nick Mathewson <nickm@torproject.org>
Date: Wed, 14 Jan 2009 06:36:30 +0000
Subject: [PATCH] Now that we can hit the end of router_rebuild_store before
 chunk_list is set, we need to test it before freeing it.

svn:r18101
---
 src/or/routerlist.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/or/routerlist.c b/src/or/routerlist.c
index 3706769a46..4cc88fd7ce 100644
--- a/src/or/routerlist.c
+++ b/src/or/routerlist.c
@@ -749,8 +749,10 @@ router_rebuild_store(int flags, desc_store_t *store)
     smartlist_free(signed_descriptors);
   tor_free(fname);
   tor_free(fname_tmp);
-  SMARTLIST_FOREACH(chunk_list, sized_chunk_t *, c, tor_free(c));
-  smartlist_free(chunk_list);
+  if (chunk_list) {
+    SMARTLIST_FOREACH(chunk_list, sized_chunk_t *, c, tor_free(c));
+    smartlist_free(chunk_list);
+  }
 
   return r;
 }