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Message-Id: <5358d1a70002df7a00005df100005bf3a00002a40d3b@amlmta037.auone-net.jp>
Date: Thu, 24 Apr 2014 17:56:06 +0900
From: Kusanagi Kouichi <slash@...auone-net.jp>
To: netdev@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
Subject: [PATCH] veth: Allow a peer to be up at creation time
Currently, a veth peer cannot be up at creation time.
# ip link add type veth peer up
RTNETLINK answers: Transport endpoint is not connected
Signed-off-by: Kusanagi Kouichi <slash@...auone-net.jp>
---
drivers/net/veth.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/drivers/net/veth.c b/drivers/net/veth.c
index b4a10bc..aa87afc 100644
--- a/drivers/net/veth.c
+++ b/drivers/net/veth.c
@@ -373,10 +373,6 @@ static int veth_newlink(struct net *src_net, struct net_device *dev,
netif_carrier_off(peer);
- err = rtnl_configure_link(peer, ifmp);
- if (err < 0)
- goto err_configure_peer;
-
/*
* register dev last
*
@@ -407,11 +403,16 @@ 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;
+
return 0;
-err_register_dev:
- /* nothing to do */
err_configure_peer:
+ unregister_netdevice(dev);
+err_register_dev:
unregister_netdevice(peer);
return err;
--
2.0.0.rc0
--
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