All of lore.kernel.org
 help / color / mirror / Atom feed
From: Nicolas Dichtel <nicolas.dichtel@6wind.com>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Cong Wang <cwang@twopensource.com>,
	Eugene Yakubovich <eugene.yakubovich@coreos.com>,
	netdev <netdev@vger.kernel.org>
Subject: Re: new link failing on duplicate names in different namespaces
Date: Thu, 26 Feb 2015 15:40:33 +0100	[thread overview]
Message-ID: <54EF3061.3040504@6wind.com> (raw)
In-Reply-To: <87sidsok07.fsf@x220.int.ebiederm.org>

Le 26/02/2015 14:55, Eric W. Biederman a écrit :
[snip]
>
> We can not give the guarantee that a new network device will only live
> in and have a unique name in a single network namespace until we get
> rid of dev_change_net_namespace in the code.
In fact in case of IFLA_LINK_NETNSID, with Cong's patch, we will first check
that the name is unique in link_net and after dev_change_net_namespace() will
check that the name is also unique in the final net, else the command will fail
(and the device is not created).

  reply	other threads:[~2015-02-26 14:40 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-25  0:48 new link failing on duplicate names in different namespaces Eugene Yakubovich
2015-02-25 16:26 ` Nicolas Dichtel
2015-02-25 17:44   ` Eric W. Biederman
2015-02-26  5:29     ` Cong Wang
2015-02-26  5:56       ` Cong Wang
2015-02-26  9:14         ` Nicolas Dichtel
2015-02-26 13:55           ` Eric W. Biederman
2015-02-26 14:40             ` Nicolas Dichtel [this message]
2015-02-27  0:22           ` Cong Wang
2015-02-25 19:03   ` What are the intended semantics of IFLA_LINK_NETNSID? Eric W. Biederman
2015-02-26  5:07     ` Cong Wang
2015-02-26  8:55     ` Nicolas Dichtel
2015-02-26 13:48       ` Eric W. Biederman
2015-02-26 14:52         ` Nicolas Dichtel
2015-02-26 22:19           ` [PATCH net 1/2] net: Verify permission to dest_net in newlink Eric W. Biederman
2015-02-26 22:20             ` [PATCH net 2/2] net: Verify permission to link_net " Eric W. Biederman
2015-02-27  9:03               ` Nicolas Dichtel
2015-02-28 20:15               ` David Miller
2015-02-27  9:03             ` [PATCH net 1/2] net: Verify permission to dest_net " Nicolas Dichtel
2015-02-28 20:15             ` David Miller

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=54EF3061.3040504@6wind.com \
    --to=nicolas.dichtel@6wind.com \
    --cc=cwang@twopensource.com \
    --cc=ebiederm@xmission.com \
    --cc=eugene.yakubovich@coreos.com \
    --cc=netdev@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.