From e670e90319b902de528db0d22d7197b5de1f4891 Mon Sep 17 00:00:00 2001
From: Todd Short <tshort@akamai.com>
Date: Wed, 4 Oct 2017 09:15:19 -0400
Subject: [PATCH] Add sk_new_reserve support

This is a specific 1.1.1 change; do not squash if the chacha
prioritization code is to be backported

Reviewed-by: Paul Dale <paul.dale@oracle.com>
Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Andy Polyakov <appro@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/4436)
---
 ssl/s3_lib.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ssl/s3_lib.c b/ssl/s3_lib.c
index c063fff87a..e71373d2bf 100644
--- a/ssl/s3_lib.c
+++ b/ssl/s3_lib.c
@@ -4173,7 +4173,7 @@ const SSL_CIPHER *ssl3_choose_cipher(SSL *s, STACK_OF(SSL_CIPHER) *clnt,
                     }
                 }
                 if (found) {
-                    prio_chacha = sk_SSL_CIPHER_new_null();
+                    prio_chacha = sk_SSL_CIPHER_new_reserve(NULL, num);
                     /* if reserve fails, then there's likely a memory issue */
                     if (prio_chacha != NULL) {
                         /* Put all ChaCha20 at the top, starting with the one we just found */