Commit 7adac1ec authored Oct 05, 2013 by Alan Ott Committed by David S. Miller Oct 08, 2013

6lowpan: Only make 6lowpan links to IEEE802154 devices



Refuse to create 6lowpan links if the actual hardware interface is
of any type other than ARPHRD_IEEE802154.

Signed-off-by: Alan Ott <alan@signal11.us>
Suggested-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 88ba09df

net/ieee802154/6lowpan.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -1372,6 +1372,8 @@ static int lowpan_newlink(struct net src_net, struct net_device dev,
		real_dev = dev_get_by_index(src_net, nla_get_u32(tb[IFLA_LINK]));
		if (!real_dev)
		return -ENODEV;
		if (real_dev->type != ARPHRD_IEEE802154)
		return -EINVAL;

		lowpan_dev_info(dev)->real_dev = real_dev;
		lowpan_dev_info(dev)->fragment_tag = 0;