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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

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

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html