From 3e9ba4a2d88b8783c3d04fb4089aa904597e1970 Mon Sep 17 00:00:00 2001
From: tobhe <tobhe@openbsd.org>
Date: Thu, 21 Mar 2024 22:08:49 +0000
Subject: [PATCH] Avoid redundant allocation in ikev2_prfplus()

from markus@
---
 sbin/iked/ikev2.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/sbin/iked/ikev2.c b/sbin/iked/ikev2.c
index d5cc0ed52bd..c0add7c3894 100644
--- a/sbin/iked/ikev2.c
+++ b/sbin/iked/ikev2.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: ikev2.c,v 1.385 2024/03/02 16:16:07 tobhe Exp $	*/
+/*	$OpenBSD: ikev2.c,v 1.386 2024/03/21 22:08:49 tobhe Exp $	*/
 
 /*
  * Copyright (c) 2019 Tobias Heider <tobias.heider@stusta.de>
@@ -5933,8 +5933,7 @@ ikev2_prfplus(struct iked_hash *prf, struct ibuf *key, struct ibuf *seed,
 
 	for (i = 0; i < rlen; i++) {
 		if (t1 != NULL) {
-			t2 = ibuf_new(ibuf_data(t1), ibuf_size(t1));
-			ibuf_free(t1);
+			t2 = t1;
 		} else
 			t2 = ibuf_new(NULL, 0);
 		t1 = ibuf_new(NULL, hash_keylength(prf));
-- 
2.20.1