From patchwork Mon Jan 28 01:55:21 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amerigo Wang X-Patchwork-Id: 216100 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id B34792C0093 for ; Mon, 28 Jan 2013 12:55:40 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757217Ab3A1Bzh (ORCPT ); Sun, 27 Jan 2013 20:55:37 -0500 Received: from mx1.redhat.com ([209.132.183.28]:33677 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756484Ab3A1Bzg (ORCPT ); Sun, 27 Jan 2013 20:55:36 -0500 Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id r0S1tZY3001903 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Sun, 27 Jan 2013 20:55:35 -0500 Received: from cr0.redhat.com (vpn1-114-170.nay.redhat.com [10.66.114.170]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id r0S1tTOx007677; Sun, 27 Jan 2013 20:55:32 -0500 From: Cong Wang To: netdev@vger.kernel.org Cc: "Eric W. Biederman" , "David S. Miller" , Cong Wang Subject: [Patch net-next v2 2/2] netpoll: use the net namespace of current process instead of init_net Date: Mon, 28 Jan 2013 09:55:21 +0800 Message-Id: <1359338121-10897-2-git-send-email-amwang@redhat.com> In-Reply-To: <1359338121-10897-1-git-send-email-amwang@redhat.com> References: <1359338121-10897-1-git-send-email-amwang@redhat.com> X-Scanned-By: MIMEDefang 2.67 on 10.5.11.11 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Cong Wang This will allow us to setup netconsole in a different namespace rather than where init_net is. Cc: Eric W. Biederman Cc: David S. Miller Signed-off-by: Cong Wang --- -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/net/core/netpoll.c b/net/core/netpoll.c index a6f39b6..331ccb9 100644 --- a/net/core/netpoll.c +++ b/net/core/netpoll.c @@ -1049,8 +1049,10 @@ int netpoll_setup(struct netpoll *np) int err; rtnl_lock(); - if (np->dev_name) - ndev = __dev_get_by_name(&init_net, np->dev_name); + if (np->dev_name) { + struct net *net = current->nsproxy->net_ns; + ndev = __dev_get_by_name(net, np->dev_name); + } if (!ndev) { np_err(np, "%s doesn't exist, aborting\n", np->dev_name); err = -ENODEV;