[PATCH v2] Bluetooth: mgmt: Fix address type while loading Long Term Key

[PATCH v2] Bluetooth: mgmt: Fix address type while loading Long Term Key

[Hemant Gupta]

This patch fixes the address type while loading long term keys when BT is
switched on. Without this fix pairing is reinitated even though LTK
exists for remote device because of mismatch of address type.

Signed-off-by: Hemant Gupta <hemant.gupta@stericsson.com>
---
 net/bluetooth/mgmt.c |   22 +++++++++++++++++++++-
 1 files changed, 21 insertions(+), 1 deletions(-)

diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 880b7c9..457863d 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -1644,6 +1644,25 @@ static u8 link_to_mgmt(u8 link_type, u8 addr_type)
 	}
 }
 
+static u8 mgmt_to_link(u8 link_type, u8 addr_type)
+{
+	switch (link_type) {
+	case LE_LINK:
+		switch (addr_type) {
+		case MGMT_ADDR_LE_PUBLIC:
+			return ADDR_LE_DEV_PUBLIC;
+
+		default:
+			/* Fallback to LE Random address type */
+			return ADDR_LE_DEV_RANDOM;
+		}
+
+	default:
+		/* Fallback to BR/EDR type */
+		return ACL_LINK;
+	}
+}
+
 static int get_connections(struct sock *sk, struct hci_dev *hdev, void *data,
 			   u16 data_len)
 {
@@ -2652,7 +2671,8 @@ static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev,
 		else
 			type = HCI_SMP_LTK_SLAVE;
 
-		hci_add_ltk(hdev, &key->addr.bdaddr, key->addr.type,
+		hci_add_ltk(hdev, &key->addr.bdaddr,
+			    mgmt_to_link(LE_LINK, key->addr.type),
 			    type, 0, key->authenticated, key->val,
 			    key->enc_size, key->ediv, key->rand);
 	}
-- 
1.7.0.4