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Diffstat (limited to 'net')
-rw-r--r--net/ieee802154/6lowpan.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/ieee802154/6lowpan.c b/net/ieee802154/6lowpan.c
index c85e71e0c7ff..8f56b2b63bfb 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;