From 2b201c5c9dc2e2fd6afb94bf9b70a1d6482ba7d2 Mon Sep 17 00:00:00 2001
From: Matt Caswell <matt@openssl.org>
Date: Mon, 22 Aug 2016 22:21:30 +0100
Subject: [PATCH] Ensure CT_POLICY_EVAL_CTX_free behaves properly with a NULL
 arg

Reviewed-by: Tim Hudson <tjh@openssl.org>
---
 crypto/ct/ct_policy.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/crypto/ct/ct_policy.c b/crypto/ct/ct_policy.c
index 8bc9133fbf..33738de103 100644
--- a/crypto/ct/ct_policy.c
+++ b/crypto/ct/ct_policy.c
@@ -30,6 +30,8 @@ CT_POLICY_EVAL_CTX *CT_POLICY_EVAL_CTX_new(void)
 
 void CT_POLICY_EVAL_CTX_free(CT_POLICY_EVAL_CTX *ctx)
 {
+    if (ctx == NULL)
+        return;
     X509_free(ctx->cert);
     X509_free(ctx->issuer);
     OPENSSL_free(ctx);
-- 
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