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ieee802154: allow netns create of lowpan interface

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This patch reverts commit f9d1ce8f81 ("ieee802154: fix netns settings").
The lowpan interface need to be created inside the net namespace where
the wpan interface is available. The wpan namespace can be changed only
by nl802154 before. Without this patch it's not possible to create a
lowpan interface for a wpan interface which isn't inside init_net
namespace.

Cc: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Reviewed-by: Stefan Schmidt <stefan@osg.samsung.com>
Signed-off-by: Alexander Aring <aar@pengutronix.de>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Alexander Aring 2016-06-18 10:45:35 +02:00 committed by Marcel Holtmann
parent 66e5c2672c
commit 1c5bf998b3
1 changed files with 1 additions and 2 deletions
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3
net/ieee802154/6lowpan/core.c
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@ -130,8 +130,7 @@ static int lowpan_newlink(struct net *src_net, struct net_device *ldev,
pr_debug("adding new link\n");
if (!tb[IFLA_LINK] ||
!net_eq(dev_net(ldev), &init_net))
if (!tb[IFLA_LINK])
return -EINVAL;
/* find and hold wpan device */
wdev = dev_get_by_index(dev_net(ldev), nla_get_u32(tb[IFLA_LINK]));