diff options
| -rw-r--r-- | net/6lowpan/ndisc.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/net/6lowpan/ndisc.c b/net/6lowpan/ndisc.c index 79c5fa9665fc..86450b7e2899 100644 --- a/net/6lowpan/ndisc.c +++ b/net/6lowpan/ndisc.c @@ -97,10 +97,13 @@ static void lowpan_ndisc_802154_update(struct neighbour *n, u32 flags, } write_lock_bh(&n->lock); - if (lladdr_short) + if (lladdr_short) { ieee802154_be16_to_le16(&neigh->short_addr, lladdr_short); - else + if (!lowpan_802154_is_valid_src_short_addr(neigh->short_addr)) + neigh->short_addr = cpu_to_le16(IEEE802154_ADDR_SHORT_UNSPEC); + } else { neigh->short_addr = cpu_to_le16(IEEE802154_ADDR_SHORT_UNSPEC); + } write_unlock_bh(&n->lock); } |