Bluetooth: Fix sending write_scan_enable when BR/EDR is disabled

We should only send the HCI_Write_Scan_Enable command from
mgmt_set_powered_failed() when BR/EDR support is enabled. This is
particularly important when the discoverable setting is also tied to LE.

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

diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 20f6309..67b95a8 100644 (file)
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -4337,7 +4337,6 @@ void mgmt_set_powered_failed(struct hci_dev *hdev, int err)
 void mgmt_discoverable_timeout(struct hci_dev *hdev)
 {
        struct hci_request req;
-       u8 scan = SCAN_PAGE;
 
        hci_dev_lock(hdev);
 
@@ -4349,7 +4348,11 @@ void mgmt_discoverable_timeout(struct hci_dev *hdev)
        clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
 
        hci_req_init(&req, hdev);
-       hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, sizeof(scan), &scan);
+       if (test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
+               u8 scan = SCAN_PAGE;
+               hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE,
+                           sizeof(scan), &scan);
+       }
        update_class(&req);
        hci_req_run(&req, NULL);