From ca248222bb31f4350311a63561cbc7a154699e15 Mon Sep 17 00:00:00 2001
From: Nick Mathewson <nickm@torproject.org>
Date: Thu, 18 Dec 2008 05:47:34 +0000
Subject: [PATCH] Backport: Make it possible to call set_onion_key twice
 without leaking RAM.

svn:r17675
---
 src/or/router.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/or/router.c b/src/or/router.c
index d68474590..d24c4486f 100644
--- a/src/or/router.c
+++ b/src/or/router.c
@@ -60,6 +60,8 @@ static void
 set_onion_key(crypto_pk_env_t *k)
 {
   tor_mutex_acquire(key_lock);
+  if (onionkey)
+    crypto_free_pk_env(onionkey);
   onionkey = k;
   onionkey_set_at = time(NULL);
   tor_mutex_release(key_lock);