From: Dr. Stephen Henson <steve@openssl.org>
Date: Sun, 22 Jan 2012 13:12:50 +0000 (+0000)
Subject: return error if md is NULL
X-Git-Tag: OpenSSL_1_0_1-beta3~32
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=adcea5a0439c79f741458d004a6f76c0a44b599b;p=thirdparty%2Fopenssl.git

return error if md is NULL
---

diff --git a/ssl/t1_lib.c b/ssl/t1_lib.c
index 1a46d891c0e..9349654f1d7 100644
--- a/ssl/t1_lib.c
+++ b/ssl/t1_lib.c
@@ -2279,6 +2279,8 @@ static int tls12_find_nid(int id, tls12_lookup *table, size_t tlen)
 int tls12_get_sigandhash(unsigned char *p, const EVP_PKEY *pk, const EVP_MD *md)
 	{
 	int sig_id, md_id;
+	if (!md)
+		return 0;
 	md_id = tls12_find_id(EVP_MD_type(md), tls12_md,
 				sizeof(tls12_md)/sizeof(tls12_lookup));
 	if (md_id == -1)