From a8948665109feba4d9709198d6bc03a865984fb0 Mon Sep 17 00:00:00 2001
From: tedu <>
Date: Tue, 6 May 2014 16:06:33 +0000
Subject: [PATCH] missing NULL checks to see if init is needed. found hard way
 by deraadt.

---
 src/lib/libc/crypt/arc4random.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/lib/libc/crypt/arc4random.c b/src/lib/libc/crypt/arc4random.c
index 57decde1..7ff1495f 100644
--- a/src/lib/libc/crypt/arc4random.c
+++ b/src/lib/libc/crypt/arc4random.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: arc4random.c,v 1.29 2014/05/06 15:37:57 tedu Exp $	*/
+/*	$OpenBSD: arc4random.c,v 1.30 2014/05/06 16:06:33 tedu Exp $	*/
 
 /*
  * Copyright (c) 1996, David Mazieres <dm@uun.org>
@@ -63,10 +63,10 @@ _rs_init(u_char *buf, size_t n)
 	if (n < KEYSZ + IVSZ)
 		return;
 
-	if ((rs = mmap(NULL, sizeof(*rs), PROT_READ|PROT_WRITE,
+	if (rs == NULL && (rs = mmap(NULL, sizeof(*rs), PROT_READ|PROT_WRITE,
 	    MAP_ANON, -1, 0)) == MAP_FAILED)
 		abort();
-	if ((rs_buf = mmap(NULL, RSBUFSZ, PROT_READ|PROT_WRITE,
+	if (rs_buf == NULL && (rs_buf = mmap(NULL, RSBUFSZ, PROT_READ|PROT_WRITE,
 	    MAP_ANON, -1, 0)) == MAP_FAILED)
 		abort();