From: Nicolas Dichtel <nicolas.dichtel@6wind.com>
To: Vincent Bernat <vincent@bernat.im>
Cc: "David S. Miller" <davem@davemloft.net>,
Vijay Pandurangan <vijayp@vijayp.ca>,
Paolo Abeni <pabeni@redhat.com>,
netdev@vger.kernel.org
Subject: Re: [PATCH] veth: delay peer link configuration after interfaces are tied
Date: Mon, 30 May 2016 17:19:13 +0200 [thread overview]
Message-ID: <574C59F1.80403@6wind.com> (raw)
In-Reply-To: <878tyr4zzc.fsf@zoro.exoscale.ch>
Le 30/05/2016 12:11, Vincent Bernat a écrit :
> ❦ 30 mai 2016 11:23 CEST, Nicolas Dichtel <nicolas.dichtel@6wind.com> :
>
>>> @@ -466,6 +462,10 @@ static int veth_newlink(struct net *src_net, struct net_device *dev,
>>>
>>> priv = netdev_priv(peer);
>>> rcu_assign_pointer(priv->peer, dev);
>>> +
>>> + err = rtnl_configure_link(peer, ifmp);
>>> + if (err < 0)
>>> + goto err_configure_peer;
>
>> You should fix the error path. 'unregister_netdevice(dev)' is missing.
>
> I am sending another patch to fix that. I am quite unsure if I do the
> right thing here.
>
A less intrusive fix is to call 'rtmsg_ifinfo(RTM_NEWLINK, peer, ~0U,
GFP_KERNEL);' a the end of veth_newlink().
next prev parent reply other threads:[~2016-05-30 15:19 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-29 11:17 [PATCH] veth: delay peer link configuration after interfaces are tied Vincent Bernat
2016-05-30 9:23 ` Nicolas Dichtel
2016-05-30 10:11 ` Vincent Bernat
2016-05-30 15:19 ` Nicolas Dichtel [this message]
2016-05-30 15:26 ` Vincent Bernat
2016-05-30 15:47 ` Nicolas Dichtel
2016-05-30 15:58 ` [net v3] veth: advertise peer link once both links are tied together Vincent Bernat
2016-05-30 16:01 ` Vincent Bernat
2016-05-30 16:27 ` Nicolas Dichtel
2016-05-31 6:29 ` Vincent Bernat
2016-05-31 9:17 ` Nicolas Dichtel
2016-06-08 20:30 ` Lance Richardson
2016-06-10 13:15 ` Nicolas Dichtel
2016-06-10 13:20 ` Lance Richardson
2016-05-31 6:30 ` [net v4] " Vincent Bernat
2016-05-31 6:54 ` Vincent Bernat
2016-05-30 10:12 ` [PATCH] veth: delay peer link configuration after interfaces are tied Vincent Bernat
2016-05-30 10:14 ` Vincent Bernat
2016-05-30 10:13 ` Vincent Bernat
2016-05-30 15:19 ` Nicolas Dichtel
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