7 files changed, 35 insertions, 20 deletions
diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c
index 9096137c889..6629cdc134d 100644
--- a/net/bluetooth/af_bluetooth.c
+++ b/net/bluetooth/af_bluetooth.c
@@ -221,8 +221,6 @@ int bt_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
 	if (flags & (MSG_OOB))
 		return -EOPNOTSUPP;
 
-	msg->msg_namelen = 0;
-
 	skb = skb_recv_datagram(sk, flags, noblock, &err);
 	if (!skb) {
 		if (sk->sk_shutdown & RCV_SHUTDOWN)
@@ -287,8 +285,6 @@ int bt_sock_stream_recvmsg(struct kiocb *iocb, struct socket *sock,
 	if (flags & MSG_OOB)
 		return -EOPNOTSUPP;
 
-	msg->msg_namelen = 0;
-
 	BT_DBG("sk %p size %zu", sk, size);
 
 	lock_sock(sk);
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index ace5e55fe5a..7c88f5f8359 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -1123,7 +1123,11 @@ int hci_dev_open(__u16 dev)
 		goto done;
 	}
 
-	if (hdev->rfkill && rfkill_blocked(hdev->rfkill)) {
+	/* Check for rfkill but allow the HCI setup stage to proceed
+	 * (which in itself doesn't cause any RF activity).
+	 */
+	if (test_bit(HCI_RFKILLED, &hdev->dev_flags) &&
+	    !test_bit(HCI_SETUP, &hdev->dev_flags)) {
 		ret = -ERFKILL;
 		goto done;
 	}
@@ -1545,10 +1549,13 @@ static int hci_rfkill_set_block(void *data, bool blocked)
 
 	BT_DBG("%p name %s blocked %d", hdev, hdev->name, blocked);
 
-	if (!blocked)
-		return 0;
-
-	hci_dev_do_close(hdev);
+	if (blocked) {
+		set_bit(HCI_RFKILLED, &hdev->dev_flags);
+		if (!test_bit(HCI_SETUP, &hdev->dev_flags))
+			hci_dev_do_close(hdev);
+	} else {
+		clear_bit(HCI_RFKILLED, &hdev->dev_flags);
+}
 
 	return 0;
 }
@@ -1570,9 +1577,13 @@ static void hci_power_on(struct work_struct *work)
 		return;
 	}
 
-	if (test_bit(HCI_AUTO_OFF, &hdev->dev_flags))
+	if (test_bit(HCI_RFKILLED, &hdev->dev_flags)) {
+		clear_bit(HCI_AUTO_OFF, &hdev->dev_flags);
+		hci_dev_do_close(hdev);
+	} else if (test_bit(HCI_AUTO_OFF, &hdev->dev_flags)) {
 		queue_delayed_work(hdev->req_workqueue, &hdev->power_off,
 				   HCI_AUTO_OFF_TIMEOUT);
+	}
 
 	if (test_and_clear_bit(HCI_SETUP, &hdev->dev_flags))
 		mgmt_index_added(hdev);
@@ -2241,6 +2252,9 @@ int hci_register_dev(struct hci_dev *hdev)
 		}
 	}
 
+	if (hdev->rfkill && rfkill_blocked(hdev->rfkill))
+		set_bit(HCI_RFKILLED, &hdev->dev_flags);
+
 	set_bit(HCI_SETUP, &hdev->dev_flags);
 
 	if (hdev->dev_type != HCI_AMP)
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index b93cd2eb5d5..dcaa6dbbab2 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -3611,7 +3611,11 @@ static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
 	cp.handle = cpu_to_le16(conn->handle);
 
 	if (ltk->authenticated)
-		conn->sec_level = BT_SECURITY_HIGH;
+		conn->pending_sec_level = BT_SECURITY_HIGH;
+	else
+		conn->pending_sec_level = BT_SECURITY_MEDIUM;
+
+	conn->enc_key_size = ltk->enc_size;
 
 	hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);
 
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index 9bd7d959e38..fa4bf663142 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -752,8 +752,6 @@ static int hci_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
 	if (!skb)
 		return err;
 
-	msg->msg_namelen = 0;
-
 	copied = skb->len;
 	if (len < copied) {
 		msg->msg_flags |= MSG_TRUNC;
diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
index 940f5acb669..de030f50f72 100644
--- a/net/bluetooth/hidp/core.c
+++ b/net/bluetooth/hidp/core.c
@@ -231,17 +231,22 @@ static void hidp_input_report(struct hidp_session *session, struct sk_buff *skb)
 
 static int hidp_send_report(struct hidp_session *session, struct hid_report *report)
 {
-	unsigned char buf[32], hdr;
-	int rsize;
+	unsigned char hdr;
+	u8 *buf;
+	int rsize, ret;
 
-	rsize = ((report->size - 1) >> 3) + 1 + (report->id > 0);
-	if (rsize > sizeof(buf))
+	buf = hid_alloc_report_buf(report, GFP_ATOMIC);
+	if (!buf)
 		return -EIO;
 
 	hid_output_report(report, buf);
 	hdr = HIDP_TRANS_DATA | HIDP_DATA_RTYPE_OUPUT;
 
-	return hidp_send_intr_message(session, hdr, buf, rsize);
+	rsize = ((report->size - 1) >> 3) + 1 + (report->id > 0);
+	ret = hidp_send_intr_message(session, hdr, buf, rsize);
+
+	kfree(buf);
+	return ret;
 }
 
 static int hidp_get_raw_report(struct hid_device *hid,
diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
index 30b3721dc6d..c1c6028e389 100644
--- a/net/bluetooth/rfcomm/sock.c
+++ b/net/bluetooth/rfcomm/sock.c
@@ -608,7 +608,6 @@ static int rfcomm_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
 
 	if (test_and_clear_bit(RFCOMM_DEFER_SETUP, &d->flags)) {
 		rfcomm_dlc_accept(d);
-		msg->msg_namelen = 0;
 		return 0;
 	}
 
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index e7bd4eea575..2bb1d3a5e76 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -700,7 +700,6 @@ static int sco_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
 	    test_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags)) {
 		sco_conn_defer_accept(pi->conn->hcon, 0);
 		sk->sk_state = BT_CONFIG;
-		msg->msg_namelen = 0;
 
 		release_sock(sk);
 		return 0;