netdev - [patch net-next 3/3] team: do not allow to add VLAN challenged port when vlan is used

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Message-Id: <1345728413-10298-4-git-send-email-jiri@resnulli.us>
Date:	Thu, 23 Aug 2012 15:26:53 +0200
From:	Jiri Pirko <jiri@...nulli.us>
To:	netdev@...r.kernel.org
Cc:	davem@...emloft.net, brouer@...hat.com, ogerlitz@...lanox.com
Subject: [patch net-next 3/3] team: do not allow to add VLAN challenged port when vlan is used

Reported-by: Or Gerlitz <ogerlitz@...lanox.com>
Signed-off-by: Jiri Pirko <jiri@...nulli.us>
---
 drivers/net/team/team.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
index 4010bcd..49629fb 100644
--- a/drivers/net/team/team.c
+++ b/drivers/net/team/team.c
@@ -989,6 +989,13 @@ static int team_port_add(struct team *team, struct net_device *port_dev)
 		return -EBUSY;
 	}
 
+	if (port_dev->features & NETIF_F_VLAN_CHALLENGED &&
+	    vlan_uses_dev(dev)) {
+		netdev_err(dev, "Device %s is VLAN challenged and team device has VLAN set up\n",
+			   portname);
+		return -EPERM;
+	}
+
 	err = team_dev_type_check_change(dev, port_dev);
 	if (err)
 		return err;
-- 
1.7.11.4

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