Bluetooth: 6lowpan: Print errors during recv_pkt

This makes should make it more clear why a packet is being dropped.

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Acked-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

diff --git a/net/bluetooth/6lowpan.c b/net/bluetooth/6lowpan.c
index 2063e96bc00607134f7eb0ade46029240f270df5..5b91e85cf1c69078975c8776a14d2594421dc303 100644 (file)
--- a/net/bluetooth/6lowpan.c
+++ b/net/bluetooth/6lowpan.c
@@ -337,6 +337,7 @@ static int recv_pkt(struct sk_buff *skb, struct net_device *dev,
 
                ret = iphc_decompress(local_skb, dev, peer);
                if (ret < 0) {
+                       BT_DBG("iphc_decompress failed: %d", ret);
                        kfree_skb(local_skb);
                        goto drop;
                }
@@ -356,6 +357,7 @@ static int recv_pkt(struct sk_buff *skb, struct net_device *dev,
                consume_skb(local_skb);
                consume_skb(skb);
        } else {
+               BT_DBG("unknown packet type");
                goto drop;
        }