1 files changed, 4 insertions, 1 deletions

diff --git a/net/mac802154/wpan.c b/net/mac802154/wpan.c
index 4c133239ad39..547838822d5e 100644
--- a/net/mac802154/wpan.c
+++ b/net/mac802154/wpan.c
@@ -462,7 +462,10 @@ mac802154_subif_frame(struct mac802154_sub_if_data *sdata, struct sk_buff *skb,
                         skb->pkt_type = PACKET_OTHERHOST;
                 break;
         default:
-                break;
+                spin_unlock_bh(&sdata->mib_lock);
+                pr_debug("invalid dest mode\n");
+                kfree_skb(skb);
+                return NET_RX_DROP;
         }
 
         spin_unlock_bh(&sdata->mib_lock);