From ba6eb8af1278773f620adc8cb1e2e1d15a3d3813 Mon Sep 17 00:00:00 2001
From: Karl Skomski <karl@skomski.com>
Date: Fri, 14 Aug 2015 14:30:52 +0200
Subject: [PATCH] crypto: fix memory leak in ECDH::SetPrivateKey

PR-URL: https://github.com/nodejs/node/pull/2375
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
---
 src/node_crypto.cc | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/node_crypto.cc b/src/node_crypto.cc
index 31f469286a71c7..090c908894efd6 100644
--- a/src/node_crypto.cc
+++ b/src/node_crypto.cc
@@ -4568,8 +4568,12 @@ void ECDH::SetPrivateKey(const FunctionCallbackInfo<Value>& args) {
   if (priv == nullptr)
     return env->ThrowError("Failed to convert Buffer to BN");
 
-  if (!EC_KEY_set_private_key(ecdh->key_, priv))
+  int result = EC_KEY_set_private_key(ecdh->key_, priv);
+  BN_free(priv);
+
+  if (!result) {
     return env->ThrowError("Failed to convert BN to a private key");
+  }
 }