Signed-off-by: Martin Townsend <martin.towns...@xsilon.com>
---
 net/mac802154/wpan.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/net/mac802154/wpan.c b/net/mac802154/wpan.c
index 3c3069f..fc6a298 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);
-- 
1.9.1



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