diff options
| -rw-r--r-- | net/ieee802154/6lowpan.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/ieee802154/6lowpan.c b/net/ieee802154/6lowpan.c index c85e71e0c7f..8f56b2b63bf 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; |