From: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Date: Mon, 3 Apr 2017 14:48:56 +0000 (+0300)
Subject: Bluetooth: 6lowpan: Print errors during recv_pkt
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=da75fdc6bdccaf99220757cd1ac33cec72cfebb1;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

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 2063e96bc006..5b91e85cf1c6 100644
--- 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;
 	}