netdev - [PATCH] bonding: Don't allow bond devices to change network namespaces.

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Date:	Wed, 22 Jan 2014 17:16:30 +0800
From:	Chen Weilong <chenweilong@...wei.com>
To:	<fubar@...ibm.com>, <vfalico@...hat.com>, <andy@...yhouse.net>,
	<davem@...emloft.net>
CC:	<netdev@...r.kernel.org>
Subject: [PATCH] bonding: Don't allow bond devices to change network namespaces.

From: Weilong Chen <chenweilong@...wei.com>

Like bridge, bonding as netdevice doesn't cross netns boundaries.

Bonding ports and bonding itself live in same netns.

Signed-off-by: Weilong Chen <chenweilong@...wei.com>
---
 drivers/net/bonding/bond_main.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index f00dd45..897d153 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -3916,6 +3916,9 @@ void bond_setup(struct net_device *bond_dev)
 	 * capable
 	 */
 
+	/* Don't allow bond devices to change network namespaces. */
+	bond_dev->features |= NETIF_F_NETNS_LOCAL;
+
 	bond_dev->hw_features = BOND_VLAN_FEATURES |
 				NETIF_F_HW_VLAN_CTAG_TX |
 				NETIF_F_HW_VLAN_CTAG_RX |
-- 
1.7.12


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