From: Sudha Bheemanna <b.sudha@samsung.com>
Date: Thu, 8 Sep 2016 09:41:28 +0000 (+0530)
Subject: Bluetooth: Send Authentication Request command on pairing failure
X-Git-Tag: accepted/tizen/unified/20190701.111735~12
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=dba18e063d7401e5b02243dedb9197f884afc097;p=platform%2Fkernel%2Flinux-rpi3.git

Bluetooth: Send Authentication Request command on pairing failure

This patch allows to send HCI_OP_AUTH_REQUESTED command
to the remote device if pairing failure happens because
of pin or key missing error.

Change-Id: I9c28394dc06b22fd5fe9e58ac0b7d728c086bde4
Signed-off-by: Sudha Bheemanna <b.sudha@samsung.com>
Signed-off-by: Amit Purwar <amit.purwar@samsung.com>
---

diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index d464399..5d91a25 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -2848,6 +2848,24 @@ static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
 	if (!conn)
 		goto unlock;
 
+#ifdef TIZEN_BT
+	/*  PIN or Key Missing patch */
+	BT_DBG("remote_auth %x, remote_cap %x, auth_type %x, io_capability %x",
+	       conn->remote_auth, conn->remote_cap,
+	       conn->auth_type, conn->io_capability);
+
+	if (ev->status == 0x06 && hci_conn_ssp_enabled(conn)) {
+		struct hci_cp_auth_requested cp;
+
+		BT_DBG("Pin or key missing");
+		hci_remove_link_key(hdev, &conn->dst);
+		cp.handle = cpu_to_le16(conn->handle);
+		hci_send_cmd(conn->hdev, HCI_OP_AUTH_REQUESTED,
+			     sizeof(cp), &cp);
+		goto unlock;
+	}
+#endif
+
 	if (!ev->status) {
 		clear_bit(HCI_CONN_AUTH_FAILURE, &conn->flags);