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authorJiri Pirko <jpirko@redhat.com>2011-04-30 01:28:17 +0000
committerDavid S. Miller <davem@davemloft.net>2011-05-02 15:54:31 -0700
commit6c8c44462ac8ac3f95929328f0c56e9e8b6dd524 (patch)
treed8e8206cbcdff00eef515b5b9324aedb54a3f0da /drivers/net/veth.c
parentd946092000698fd204d82a9d239103c656fb63bf (diff)
downloadop-kernel-dev-6c8c44462ac8ac3f95929328f0c56e9e8b6dd524.zip
op-kernel-dev-6c8c44462ac8ac3f95929328f0c56e9e8b6dd524.tar.gz
Revert: veth: remove unneeded ifname code from veth_newlink()
84c49d8c3e4abefb0a41a77b25aa37ebe8d6b743 ("veth: remove unneeded ifname code from veth_newlink()") caused regression on veth creation. This patch reverts the original one. Reported-by: Michał Mirosław <mirqus@gmail.com> Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/veth.c')
-rw-r--r--drivers/net/veth.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/veth.c b/drivers/net/veth.c
index 2de9b90..3b99f64 100644
--- a/drivers/net/veth.c
+++ b/drivers/net/veth.c
@@ -403,6 +403,17 @@ static int veth_newlink(struct net *src_net, struct net_device *dev,
if (tb[IFLA_ADDRESS] == NULL)
random_ether_addr(dev->dev_addr);
+ if (tb[IFLA_IFNAME])
+ nla_strlcpy(dev->name, tb[IFLA_IFNAME], IFNAMSIZ);
+ else
+ snprintf(dev->name, IFNAMSIZ, DRV_NAME "%%d");
+
+ if (strchr(dev->name, '%')) {
+ err = dev_alloc_name(dev, dev->name);
+ if (err < 0)
+ goto err_alloc_name;
+ }
+
err = register_netdevice(dev);
if (err < 0)
goto err_register_dev;
@@ -422,6 +433,7 @@ static int veth_newlink(struct net *src_net, struct net_device *dev,
err_register_dev:
/* nothing to do */
+err_alloc_name:
err_configure_peer:
unregister_netdevice(peer);
return err;
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