From: Brian Gix <bgix@codeaurora.org>
Date: Wed, 23 Nov 2011 16:28:36 +0000 (-0800)
Subject: Bluetooth: Centralize SMP pairing failure handling
X-Git-Tag: firefly_0821_release~3680^2~3834^2~44^2~71^2~50
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=4f957a76014fb63d193cd6c141bdd94aaff3a25e;p=firefly-linux-kernel-4.4.55.git

Bluetooth: Centralize SMP pairing failure handling

Signed-off-by: Brian Gix <bgix@codeaurora.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
---

diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index b9af4885ae53..0b96737d0ad3 100644
--- a/net/bluetooth/smp.c
+++ b/net/bluetooth/smp.c
@@ -232,6 +232,18 @@ static u8 check_enc_key_size(struct l2cap_conn *conn, __u8 max_key_size)
 	return 0;
 }
 
+static void smp_failure(struct l2cap_conn *conn, u8 reason, u8 send)
+{
+	if (send)
+		smp_send_cmd(conn, SMP_CMD_PAIRING_FAIL, sizeof(reason),
+								&reason);
+
+	clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->hcon->pend);
+	mgmt_auth_failed(conn->hcon->hdev, conn->dst, reason);
+	del_timer(&conn->security_timer);
+	smp_chan_destroy(conn);
+}
+
 static void confirm_work(struct work_struct *work)
 {
 	struct smp_chan *smp = container_of(work, struct smp_chan, confirm);
@@ -270,8 +282,7 @@ static void confirm_work(struct work_struct *work)
 	return;
 
 error:
-	smp_send_cmd(conn, SMP_CMD_PAIRING_FAIL, sizeof(reason), &reason);
-	smp_chan_destroy(conn);
+	smp_failure(conn, reason, 1);
 }
 
 static void random_work(struct work_struct *work)
@@ -354,8 +365,7 @@ static void random_work(struct work_struct *work)
 	return;
 
 error:
-	smp_send_cmd(conn, SMP_CMD_PAIRING_FAIL, sizeof(reason), &reason);
-	smp_chan_destroy(conn);
+	smp_failure(conn, reason, 1);
 }
 
 static struct smp_chan *smp_chan_create(struct l2cap_conn *conn)
@@ -655,6 +665,7 @@ int smp_sig_channel(struct l2cap_conn *conn, struct sk_buff *skb)
 		break;
 
 	case SMP_CMD_PAIRING_FAIL:
+		smp_failure(conn, skb->data[0], 0);
 		reason = 0;
 		err = -EPERM;
 		break;
@@ -700,8 +711,7 @@ int smp_sig_channel(struct l2cap_conn *conn, struct sk_buff *skb)
 
 done:
 	if (reason)
-		smp_send_cmd(conn, SMP_CMD_PAIRING_FAIL, sizeof(reason),
-								&reason);
+		smp_failure(conn, reason, 1);
 
 	kfree_skb(skb);
 	return err;