From owner-svn-src-stable-7@FreeBSD.ORG  Sun Nov 28 13:01:11 2010
Return-Path: <owner-svn-src-stable-7@FreeBSD.ORG>
Delivered-To: svn-src-stable-7@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 19D81106564A;
	Sun, 28 Nov 2010 13:01:11 +0000 (UTC) (envelope-from bz@FreeBSD.org)
Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c])
	by mx1.freebsd.org (Postfix) with ESMTP id 07A968FC17;
	Sun, 28 Nov 2010 13:01:11 +0000 (UTC)
Received: from svn.freebsd.org (localhost [127.0.0.1])
	by svn.freebsd.org (8.14.3/8.14.3) with ESMTP id oASD1Ar8016988;
	Sun, 28 Nov 2010 13:01:10 GMT (envelope-from bz@svn.freebsd.org)
Received: (from bz@localhost)
	by svn.freebsd.org (8.14.3/8.14.3/Submit) id oASD1AT8016986;
	Sun, 28 Nov 2010 13:01:10 GMT (envelope-from bz@svn.freebsd.org)
Message-Id: <201011281301.oASD1AT8016986@svn.freebsd.org>
From: "Bjoern A. Zeeb" <bz@FreeBSD.org>
Date: Sun, 28 Nov 2010 13:01:10 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
	svn-src-stable@freebsd.org, svn-src-stable-7@freebsd.org
X-SVN-Group: stable-7
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Cc: 
Subject: svn commit: r215996 - stable/7/sys/netinet6
X-BeenThere: svn-src-stable-7@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: SVN commit messages for only the 7-stable src tree
	<svn-src-stable-7.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-stable-7>, 
	<mailto:svn-src-stable-7-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-stable-7>
List-Post: <mailto:svn-src-stable-7@freebsd.org>
List-Help: <mailto:svn-src-stable-7-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-stable-7>, 
	<mailto:svn-src-stable-7-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sun, 28 Nov 2010 13:01:11 -0000

Author: bz
Date: Sun Nov 28 13:01:10 2010
New Revision: 215996
URL: http://svn.freebsd.org/changeset/base/215996

Log:
  MFC r215559:
  
    In case of an early return from the function there is no need to zero
    the route upfront, so defer as long as we can.

Modified:
  stable/7/sys/netinet6/nd6_nbr.c
Directory Properties:
  stable/7/sys/   (props changed)
  stable/7/sys/cddl/contrib/opensolaris/   (props changed)
  stable/7/sys/contrib/dev/acpica/   (props changed)
  stable/7/sys/contrib/pf/   (props changed)

Modified: stable/7/sys/netinet6/nd6_nbr.c
==============================================================================
--- stable/7/sys/netinet6/nd6_nbr.c	Sun Nov 28 12:26:15 2010	(r215995)
+++ stable/7/sys/netinet6/nd6_nbr.c	Sun Nov 28 13:01:10 2010	(r215996)
@@ -372,8 +372,6 @@ nd6_ns_output(struct ifnet *ifp, const s
 	caddr_t mac;
 	struct route_in6 ro;
 
-	bzero(&ro, sizeof(ro));
-
 	if (IN6_IS_ADDR_MULTICAST(taddr6))
 		return;
 
@@ -400,6 +398,8 @@ nd6_ns_output(struct ifnet *ifp, const s
 		return;
 	m->m_pkthdr.rcvif = NULL;
 
+	bzero(&ro, sizeof(ro));
+
 	if (daddr6 == NULL || IN6_IS_ADDR_MULTICAST(daddr6)) {
 		m->m_flags |= M_MCAST;
 		im6o.im6o_multicast_ifp = ifp;