mac802154: properly free incoming skbs on decryption failure

mac802154 RX did not free skbs on decryption failure, assuming that the
caller would when the local rx handler returned _DROP. This was false.

Signed-off-by: Phoebe Buckheister <phoebe.buckheister@itwm.fraunhofer.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/mac802154/wpan.c b/net/mac802154/wpan.c
index 23bc91cf99c465232b0b2406f29a9bcd2b539b98..c8cfd54f37113db196432ac699c48277edc859d3 100644 (file)
--- a/net/mac802154/wpan.c
+++ b/net/mac802154/wpan.c
@@ -472,6 +472,7 @@ mac802154_subif_frame(struct mac802154_sub_if_data *sdata, struct sk_buff *skb,
        rc = mac802154_llsec_decrypt(&sdata->sec, skb);
        if (rc) {
                pr_debug("decryption failed: %i\n", rc);
+               kfree_skb(skb);
                return NET_RX_DROP;
        }