netdev - [patch net-next 03/15] vlan: add link to upper device

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Message-Id: <1356777522-19652-4-git-send-email-jiri@resnulli.us>
Date:	Sat, 29 Dec 2012 11:38:30 +0100
From:	Jiri Pirko <jiri@...nulli.us>
To:	netdev@...r.kernel.org
Cc:	davem@...emloft.net, edumazet@...gle.com,
	bhutchings@...arflare.com, faisal.latif@...el.com,
	shemminger@...tta.com, fbl@...hat.com, roland@...nel.org,
	sean.hefty@...el.com, hal.rosenstock@...il.com, fubar@...ibm.com,
	andy@...yhouse.net, divy@...lsio.com, jitendra.kalsaria@...gic.com,
	sony.chacko@...gic.com, linux-driver@...gic.com, kaber@...sh.net,
	ursula.braun@...ibm.com, blaschka@...ux.vnet.ibm.com,
	schwidefsky@...ibm.com, heiko.carstens@...ibm.com,
	ebiederm@...ssion.com, joe@...ches.com, amwang@...hat.com,
	nhorman@...driver.com, john.r.fastabend@...el.com,
	pablo@...filter.org
Subject: [patch net-next 03/15] vlan: add link to upper device

Signed-off-by: Jiri Pirko <jiri@...nulli.us>
---
 net/8021q/vlan.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index a292e80..babfde9 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -105,6 +105,8 @@ void unregister_vlan_dev(struct net_device *dev, struct list_head *head)
 	 */
 	unregister_netdevice_queue(dev, head);
 
+	netdev_upper_dev_unlink(real_dev, dev);
+
 	if (grp->nr_vlan_devs == 0)
 		vlan_gvrp_uninit_applicant(real_dev);
 
@@ -162,9 +164,13 @@ int register_vlan_dev(struct net_device *dev)
 	if (err < 0)
 		goto out_uninit_applicant;
 
+	err = netdev_upper_dev_link(real_dev, dev);
+	if (err)
+		goto out_uninit_applicant;
+
 	err = register_netdevice(dev);
 	if (err < 0)
-		goto out_uninit_applicant;
+		goto out_upper_dev_unlink;
 
 	/* Account for reference in struct vlan_dev_priv */
 	dev_hold(real_dev);
@@ -180,6 +186,8 @@ int register_vlan_dev(struct net_device *dev)
 
 	return 0;
 
+out_upper_dev_unlink:
+	netdev_upper_dev_unlink(real_dev, dev);
 out_uninit_applicant:
 	if (grp->nr_vlan_devs == 0)
 		vlan_gvrp_uninit_applicant(real_dev);
-- 
1.8.0

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