Bluetooth: Use privacy mode for non-connectable advertising

When enabling non-connectable advertising, there is no need to advertise
with a public address or static address. In case LE privacy has not been
enabled a unresolvable private address will be used.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 5d309d4ab527..53b9408af16b 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -841,12 +841,14 @@ static void enable_advertising(struct hci_request *req)
         struct hci_dev *hdev = req->hdev;
         struct hci_cp_le_set_adv_param cp;
         u8 own_addr_type, enable = 0x01;
+        bool require_privacy;
 
-        memset(&cp, 0, sizeof(cp));
+        require_privacy = !test_bit(HCI_CONNECTABLE, &hdev->dev_flags);
 
-        if (hci_update_random_address(req, false, &own_addr_type) < 0)
+        if (hci_update_random_address(req, require_privacy, &own_addr_type) < 0)
                 return;
 
+        memset(&cp, 0, sizeof(cp));
         cp.min_interval = __constant_cpu_to_le16(0x0800);
         cp.max_interval = __constant_cpu_to_le16(0x0800);
         cp.type = get_adv_type(hdev);