Bluetooth: Improve debugging messages for hci_conn

Improve debugging of hci_conn objects by: adding print to hci_conn
refcounting, adding object spcifier when missing, change conn to hcon
since conn is heavily used for l2cap_conn objects and this is misleading.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>

1 files changed, 6 insertions, 0 deletions

diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 75766b7f0dc..475b8c04ba5 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -587,12 +587,18 @@ void hci_conn_put_device(struct hci_conn *conn);
 
 static inline void hci_conn_hold(struct hci_conn *conn)
 {
+        BT_DBG("hcon %p refcnt %d -> %d", conn, atomic_read(&conn->refcnt),
+               atomic_read(&conn->refcnt) + 1);
+
         atomic_inc(&conn->refcnt);
         cancel_delayed_work(&conn->disc_work);
 }
 
 static inline void hci_conn_put(struct hci_conn *conn)
 {
+        BT_DBG("hcon %p refcnt %d -> %d", conn, atomic_read(&conn->refcnt),
+               atomic_read(&conn->refcnt) - 1);
+
         if (atomic_dec_and_test(&conn->refcnt)) {
                 unsigned long timeo;
                 if (conn->type == ACL_LINK || conn->type == LE_LINK) {