From 7f9066ceee32f4df6d94b18c7b65e92d1730fce8 Mon Sep 17 00:00:00 2001
From: Nick Mathewson <nickm@torproject.org>
Date: Mon, 10 Jun 2013 13:49:13 -0400
Subject: Make OPENSSL_free(dh_string_repr) conditional.

---
 src/common/crypto.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/common/crypto.c b/src/common/crypto.c
index adbf6396d0..e60172b744 100644
--- a/src/common/crypto.c
+++ b/src/common/crypto.c
@@ -1740,7 +1740,8 @@ crypto_store_dynamic_dh_modulus(const char *fname)
  done:
   if (dh)
     DH_free(dh);
-  OPENSSL_free(dh_string_repr);
+  if (dh_string_repr)
+    OPENSSL_free(dh_string_repr);
   tor_free(base64_encoded_dh);
   tor_free(file_string);
 
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