netdev - [PATCH 03/17] batman-adv: NETIF_F_NETNS_LOCAL feature to prevent netns moves

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Message-Id: <1462908605-27412-4-git-send-email-a@unstable.cc>
Date:	Wed, 11 May 2016 03:29:51 +0800
From:	Antonio Quartulli <a@...table.cc>
To:	davem@...emloft.net
Cc:	netdev@...r.kernel.org, b.a.t.m.a.n@...ts.open-mesh.org,
	Andrew Lunn <andrew@...n.ch>,
	Marek Lindner <mareklindner@...mailbox.ch>,
	Antonio Quartulli <a@...table.cc>
Subject: [PATCH 03/17] batman-adv: NETIF_F_NETNS_LOCAL feature to prevent netns moves

From: Andrew Lunn <andrew@...n.ch>

The batX soft interface should not be moved between network name
spaces. This is similar to bridges, bonds, tunnels, which are not
allowed to move between network namespaces.

Suggested-by: Daniel Ehlers <danielehlers@...deye.net>
Signed-off-by: Andrew Lunn <andrew@...n.ch>
Acked-by: Antonio Quartulli <a@...table.cc>
Reviewed-by: Sven Eckelmann <sven@...fation.org>
Signed-off-by: Marek Lindner <mareklindner@...mailbox.ch>
Signed-off-by: Antonio Quartulli <a@...table.cc>
---
 net/batman-adv/soft-interface.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c
index d72f88707736..66dd0aac480a 100644
--- a/net/batman-adv/soft-interface.c
+++ b/net/batman-adv/soft-interface.c
@@ -972,7 +972,7 @@ static void batadv_softif_init_early(struct net_device *dev)
 
 	dev->netdev_ops = &batadv_netdev_ops;
 	dev->destructor = batadv_softif_free;
-	dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
+	dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_NETNS_LOCAL;
 	dev->priv_flags |= IFF_NO_QUEUE;
 
 	/* can't call min_mtu, because the needed variables
-- 
2.8.2