From owner-svn-src-head@FreeBSD.ORG  Wed Feb 25 09:57:06 2015
Return-Path: <owner-svn-src-head@FreeBSD.ORG>
Delivered-To: svn-src-head@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTPS id 36723B66;
 Wed, 25 Feb 2015 09:57:06 +0000 (UTC)
Received: from svn.freebsd.org (svn.freebsd.org
 [IPv6:2001:1900:2254:2068::e6a:0])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (Client did not present a certificate)
 by mx1.freebsd.org (Postfix) with ESMTPS id 21BFCB56;
 Wed, 25 Feb 2015 09:57:06 +0000 (UTC)
Received: from svn.freebsd.org ([127.0.1.70])
 by svn.freebsd.org (8.14.9/8.14.9) with ESMTP id t1P9v5AQ004974;
 Wed, 25 Feb 2015 09:57:05 GMT (envelope-from mav@FreeBSD.org)
Received: (from mav@localhost)
 by svn.freebsd.org (8.14.9/8.14.9/Submit) id t1P9v5hU004973;
 Wed, 25 Feb 2015 09:57:05 GMT (envelope-from mav@FreeBSD.org)
Message-Id: <201502250957.t1P9v5hU004973@svn.freebsd.org>
X-Authentication-Warning: svn.freebsd.org: mav set sender to mav@FreeBSD.org
 using -f
From: Alexander Motin <mav@FreeBSD.org>
Date: Wed, 25 Feb 2015 09:57:05 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
 svn-src-head@freebsd.org
Subject: svn commit: r279275 - head/sys/boot/fdt
X-SVN-Group: head
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
X-BeenThere: svn-src-head@freebsd.org
X-Mailman-Version: 2.1.18-1
Precedence: list
List-Id: SVN commit messages for the src tree for head/-current
 <svn-src-head.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/svn-src-head>,
 <mailto:svn-src-head-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-head/>
List-Post: <mailto:svn-src-head@freebsd.org>
List-Help: <mailto:svn-src-head-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-head>,
 <mailto:svn-src-head-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 25 Feb 2015 09:57:06 -0000

Author: mav
Date: Wed Feb 25 09:57:05 2015
New Revision: 279275
URL: https://svnweb.freebsd.org/changeset/base/279275

Log:
  Fix potential NULL dereference.
  
  Submitted by:	Dmitry Luhtionov <dmitryluhtionov@gmail.com>
  MFC after:	2 weeks

Modified:
  head/sys/boot/fdt/fdt_loader_cmd.c

Modified: head/sys/boot/fdt/fdt_loader_cmd.c
==============================================================================
--- head/sys/boot/fdt/fdt_loader_cmd.c	Wed Feb 25 09:21:59 2015	(r279274)
+++ head/sys/boot/fdt/fdt_loader_cmd.c	Wed Feb 25 09:57:05 2015	(r279275)
@@ -1299,13 +1299,12 @@ fdt_merge_strings(int argc, char *argv[]
 	sz += argc - start;
 
 	buf = (char *)malloc(sizeof(char) * sz);
-	bzero(buf, sizeof(char) * sz);
-
 	if (buf == NULL) {
 		sprintf(command_errbuf, "could not allocate space "
 		    "for string");
 		return (1);
 	}
+	bzero(buf, sizeof(char) * sz);
 
 	idx = 0;
 	for (i = start, idx = 0; i < argc; i++) {