From patchwork Wed Jan 2 12:28:23 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [net-next,V5,02/15] macvlan: add link to upper device Date: Wed, 02 Jan 2013 02:28:23 -0000 From: Jiri Pirko X-Patchwork-Id: 209025 Message-Id: <1357129716-2450-3-git-send-email-jiri@resnulli.us> To: netdev@vger.kernel.org Cc: davem@davemloft.net, edumazet@google.com, faisal.latif@intel.com, roland@kernel.org, sean.hefty@intel.com, hal.rosenstock@gmail.com, fubar@us.ibm.com, andy@greyhouse.net, divy@chelsio.com, jitendra.kalsaria@qlogic.com, sony.chacko@qlogic.com, linux-driver@qlogic.com, kaber@trash.net, ursula.braun@de.ibm.com, blaschka@linux.vnet.ibm.com, linux390@de.ibm.com, shemminger@vyatta.com, bhutchings@solarflare.com, therbert@google.com, xiyou.wangcong@gmail.com, joe@perches.com, gregory.v.rose@intel.com, john.r.fastabend@intel.com, linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org, bridge@lists.linux-foundation.org, fbl@redhat.com Signed-off-by: Jiri Pirko --- drivers/net/macvlan.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index 68a43fe..b7b614f 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -765,16 +765,22 @@ int macvlan_common_newlink(struct net *src_net, struct net_device *dev, memcpy(dev->dev_addr, lowerdev->dev_addr, ETH_ALEN); } + err = netdev_upper_dev_link(lowerdev, dev); + if (err) + goto destroy_port; + port->count += 1; err = register_netdevice(dev); if (err < 0) - goto destroy_port; + goto upper_dev_unlink; list_add_tail(&vlan->list, &port->vlans); netif_stacked_transfer_operstate(lowerdev, dev); return 0; +upper_dev_unlink: + netdev_upper_dev_unlink(lowerdev, dev); destroy_port: port->count -= 1; if (!port->count) @@ -798,6 +804,7 @@ void macvlan_dellink(struct net_device *dev, struct list_head *head) list_del(&vlan->list); unregister_netdevice_queue(dev, head); + netdev_upper_dev_unlink(vlan->lowerdev, dev); } EXPORT_SYMBOL_GPL(macvlan_dellink);