From be62ec7782f11e6015eaa953859a4ea240c4ed8b Mon Sep 17 00:00:00 2001
From: miod <>
Date: Sat, 12 Jul 2014 14:58:32 +0000
Subject: Principle of least surprise: make CMAC_CTX_free(),
 OCSP_REQ_CTX_free() and X509_STORE_CTX_free() accept NULL pointers as input
 without dereferencing them, like all the other well-behaved *_CTX_free()
 functions do.

---
 src/lib/libcrypto/ocsp/ocsp_ht.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'src/lib/libcrypto/ocsp/ocsp_ht.c')

diff --git a/src/lib/libcrypto/ocsp/ocsp_ht.c b/src/lib/libcrypto/ocsp/ocsp_ht.c
index bc3c957b0c..c895e9df4d 100644
--- a/src/lib/libcrypto/ocsp/ocsp_ht.c
+++ b/src/lib/libcrypto/ocsp/ocsp_ht.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ocsp_ht.c,v 1.19 2014/06/12 15:49:30 deraadt Exp $ */
+/* $OpenBSD: ocsp_ht.c,v 1.20 2014/07/12 14:58:32 miod Exp $ */
 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
  * project 2006.
  */
@@ -108,6 +108,9 @@ static int parse_http_line1(char *line);
 void
 OCSP_REQ_CTX_free(OCSP_REQ_CTX *rctx)
 {
+	if (rctx == NULL)
+		return;
+
 	if (rctx->mem)
 		BIO_free(rctx->mem);
 	free(rctx->iobuf);
-- 
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