Messages in this thread Patch in this message | | | From | Alan Ott <> | Subject | [PATCH v2 1/2] 6lowpan: Only make 6lowpan links to IEEE802154 devices | Date | Sat, 5 Oct 2013 23:15:18 -0400 |
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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> --- net/ieee802154/6lowpan.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/net/ieee802154/6lowpan.c b/net/ieee802154/6lowpan.c index c85e71e..8f56b2b 100644 --- a/net/ieee802154/6lowpan.c +++ b/net/ieee802154/6lowpan.c @@ -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; -- 1.8.1.2
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