diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/bluetooth/mgmt.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index f3a957905193..cee9bc9735af 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -2209,10 +2209,22 @@ static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE, MGMT_STATUS_INVALID_PARAMS); - /* LE-only devices do not allow toggling LE on/off */ - if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) + /* Bluetooth single mode LE only controllers or dual-mode + * controllers configured as LE only devices, do not allow + * switching LE off. These have either LE enabled explicitly + * or BR/EDR has been previously switched off. + * + * When trying to enable an already enabled LE, then gracefully + * send a positive response. Trying to disable it however will + * result into rejection. + */ + if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) { + if (cp->val == 0x01) + return send_settings_rsp(sk, MGMT_OP_SET_LE, hdev); + return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE, MGMT_STATUS_REJECTED); + } hci_dev_lock(hdev); |