Bluetooth: Make it clear that disabling LE disables advertising

This is not a functional change, just change the code to make it easy
to understand that advertising gets disabled before LE support will
be turned off.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>

net/bluetooth/mgmt.c

@@ -1505,8 +1505,11 @@ static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
 
 	hci_req_init(&req, hdev);
 
-	if (test_bit(HCI_ADVERTISING, &hdev->dev_flags) && !val)
-		hci_req_add(&req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(val), &val);
+	if (test_bit(HCI_ADVERTISING, &hdev->dev_flags) && !val) {
+		u8 adv = 0x00;
+
+		hci_req_add(&req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(adv), &adv);
+	}
 
 	hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(hci_cp),
 		    &hci_cp);