From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932476Ab1EFA0H (ORCPT ); Thu, 5 May 2011 20:26:07 -0400 Received: from kroah.org ([198.145.64.141]:37358 "EHLO coco.kroah.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932494Ab1EFA0E (ORCPT ); Thu, 5 May 2011 20:26:04 -0400 X-Mailbox-Line: From gregkh@clark.kroah.org Thu May 5 17:22:18 2011 Message-Id: <20110506002218.246364506@clark.kroah.org> User-Agent: quilt/0.48-16.4 Date: Thu, 05 May 2011 17:21:57 -0700 From: Greg KH To: linux-kernel@vger.kernel.org, stable@kernel.org Cc: stable-review@kernel.org, torvalds@linux-foundation.org, akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, =?ISO-8859-15?q?R=C3=A9mi=20Denis-Courmont?= Subject: [132/143] Phonet: device notifier only runs on initial namespace In-Reply-To: <20110506002311.GA15354@kroah.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 2.6.32-longterm review patch. If anyone has any objections, please let us know. ------------------ [bwh: This is only applicable to 2.6.32. Phonet was fixed upstream to work with multiple net namespaces.] This should really fix the OOPS when doing: unshare(CLONE_NEWNET); exit(0); while the phonet module is loaded. Signed-off-by: Rémi Denis-Courmont Signed-off-by: Greg Kroah-Hartman --- net/phonet/pn_dev.c | 3 +++ 1 file changed, 3 insertions(+) --- a/net/phonet/pn_dev.c +++ b/net/phonet/pn_dev.c @@ -225,6 +225,9 @@ static int phonet_device_notify(struct n { struct net_device *dev = arg; + if (!net_eq(dev_net(dev), &init_net)) + return 0; + switch (what) { case NETDEV_REGISTER: if (dev->type == ARPHRD_PHONET)