From 302d1dae6c468fd2bd5551de654e36b8464a7eab Mon Sep 17 00:00:00 2001
From: Andrea Shepard <andrea@torproject.org>
Date: Thu, 7 Mar 2013 05:10:54 -0800
Subject: [PATCH] Make sure expiry check in dirserv_expire_measured_bw_cache()
 works if time_t is unsigned

---
 src/or/dirserv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/or/dirserv.c b/src/or/dirserv.c
index 1846dc1ba2..3dfa1e74de 100644
--- a/src/or/dirserv.c
+++ b/src/or/dirserv.c
@@ -2125,7 +2125,7 @@ dirserv_expire_measured_bw_cache(time_t now)
       e = (mbw_cache_entry_t *)e_v;
       if (e) {
         /* Check for expiration and remove if so */
-        if (now - e->as_of > MAX_MEASUREMENT_AGE) {
+        if (now > e->as_of + MAX_MEASUREMENT_AGE) {
           tor_free(e);
           rmv = 1;
         }