diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/bluetooth/hci_conn.c | 10 | ||||
| -rw-r--r-- | net/bluetooth/hci_event.c | 10 | ||||
| -rw-r--r-- | net/bluetooth/mgmt.c | 24 |
3 files changed, 37 insertions, 7 deletions
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c index 1517f1549f85..490ee8846d9e 100644 --- a/net/bluetooth/hci_conn.c +++ b/net/bluetooth/hci_conn.c @@ -772,6 +772,16 @@ struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst, /* If requested to connect as slave use directed advertising */ if (!master) { + /* If we're active scanning most controllers are unable + * to initiate advertising. Simply reject the attempt. + */ + if (test_bit(HCI_LE_SCAN, &hdev->dev_flags) && + hdev->le_scan_type == LE_SCAN_ACTIVE) { + skb_queue_purge(&req.cmd_q); + hci_conn_del(conn); + return ERR_PTR(-EBUSY); + } + hci_req_directed_advertising(&req, conn); goto create_conn; } diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 8fbf604ba228..5d3095d7d4b0 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -1176,13 +1176,21 @@ static void hci_cc_le_set_scan_enable(struct hci_dev *hdev, cancel_delayed_work(&hdev->le_scan_disable); clear_bit(HCI_LE_SCAN, &hdev->dev_flags); + /* The HCI_LE_SCAN_INTERRUPTED flag indicates that we * interrupted scanning due to a connect request. Mark - * therefore discovery as stopped. + * therefore discovery as stopped. If this was not + * because of a connect request advertising might have + * been disabled because of active scanning, so + * re-enable it again if necessary. */ if (test_and_clear_bit(HCI_LE_SCAN_INTERRUPTED, &hdev->dev_flags)) hci_discovery_set_state(hdev, DISCOVERY_STOPPED); + else if (!test_bit(HCI_LE_ADV, &hdev->dev_flags) && + hdev->discovery.state != DISCOVERY_STARTING) + mgmt_reenable_advertising(hdev); + break; default: diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index 9549d7366da2..944e6463fd61 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -3726,11 +3726,21 @@ static int start_discovery(struct sock *sk, struct hci_dev *hdev, goto failed; } - if (test_bit(HCI_ADVERTISING, &hdev->dev_flags)) { - err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY, - MGMT_STATUS_REJECTED); - mgmt_pending_remove(cmd); - goto failed; + if (test_bit(HCI_LE_ADV, &hdev->dev_flags)) { + /* Don't let discovery abort an outgoing + * connection attempt that's using directed + * advertising. + */ + if (hci_conn_hash_lookup_state(hdev, LE_LINK, + BT_CONNECT)) { + err = cmd_status(sk, hdev->id, + MGMT_OP_START_DISCOVERY, + MGMT_STATUS_REJECTED); + mgmt_pending_remove(cmd); + goto failed; + } + + disable_advertising(&req); } /* If controller is scanning, it means the background scanning @@ -4078,7 +4088,9 @@ static int set_advertising(struct sock *sk, struct hci_dev *hdev, void *data, * necessary). */ if (!hdev_is_powered(hdev) || val == enabled || - hci_conn_num(hdev, LE_LINK) > 0) { + hci_conn_num(hdev, LE_LINK) > 0 || + (test_bit(HCI_LE_SCAN, &hdev->dev_flags) && + hdev->le_scan_type == LE_SCAN_ACTIVE)) { bool changed = false; if (val != test_bit(HCI_ADVERTISING, &hdev->dev_flags)) { |