From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH 11/16] net: Make device event notification network namespace safe Date: Wed, 12 Sep 2007 04:02:55 -0700 (PDT) Message-ID: <20070912.040255.35673679.davem@davemloft.net> References: Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: netdev-owner@vger.kernel.org To: ebiederm@xmission.com Cc: netdev@vger.kernel.org, containers@lists.osdl.org List-Id: containers.vger.kernel.org From: ebiederm@xmission.com (Eric W. Biederman) Date: Sat, 08 Sep 2007 15:27:11 -0600 > > Every user of the network device notifiers is either a protocol > stack or a pseudo device. If a protocol stack that does not have > support for multiple network namespaces receives an event for a > device that is not in the initial network namespace it quite possibly > can get confused and do the wrong thing. > > To avoid problems until all of the protocol stacks are converted > this patch modifies all netdev event handlers to ignore events on > devices that are not in the initial network namespace. > > As the rest of the code is made network namespace aware these > checks can be removed. > > Signed-off-by: Eric W. Biederman Applied, thanks.