diff options
Diffstat (limited to 'net/bluetooth/hci_core.c')
| -rw-r--r-- | net/bluetooth/hci_core.c | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index e3a349977595..cc27297da5a9 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -513,7 +513,10 @@ static void hci_init2_req(struct hci_request *req, unsigned long opt) hci_setup_event_mask(req); - if (hdev->hci_ver > BLUETOOTH_VER_1_1) + /* AVM Berlin (31), aka "BlueFRITZ!", doesn't support the read + * local supported commands HCI command. + */ + if (hdev->manufacturer != 31 && hdev->hci_ver > BLUETOOTH_VER_1_1) hci_req_add(req, HCI_OP_READ_LOCAL_COMMANDS, 0, NULL); if (lmp_ssp_capable(hdev)) { @@ -2165,10 +2168,6 @@ int hci_register_dev(struct hci_dev *hdev) BT_DBG("%p name %s bus %d", hdev, hdev->name, hdev->bus); - write_lock(&hci_dev_list_lock); - list_add(&hdev->list, &hci_dev_list); - write_unlock(&hci_dev_list_lock); - hdev->workqueue = alloc_workqueue("%s", WQ_HIGHPRI | WQ_UNBOUND | WQ_MEM_RECLAIM, 1, hdev->name); if (!hdev->workqueue) { @@ -2203,6 +2202,10 @@ int hci_register_dev(struct hci_dev *hdev) if (hdev->dev_type != HCI_AMP) set_bit(HCI_AUTO_OFF, &hdev->dev_flags); + write_lock(&hci_dev_list_lock); + list_add(&hdev->list, &hci_dev_list); + write_unlock(&hci_dev_list_lock); + hci_notify(hdev, HCI_DEV_REG); hci_dev_hold(hdev); @@ -2215,9 +2218,6 @@ err_wqueue: destroy_workqueue(hdev->req_workqueue); err: ida_simple_remove(&hci_index_ida, hdev->id); - write_lock(&hci_dev_list_lock); - list_del(&hdev->list); - write_unlock(&hci_dev_list_lock); return error; } @@ -3399,8 +3399,16 @@ void hci_req_cmd_complete(struct hci_dev *hdev, u16 opcode, u8 status) */ if (hdev->sent_cmd) { req_complete = bt_cb(hdev->sent_cmd)->req.complete; - if (req_complete) + + if (req_complete) { + /* We must set the complete callback to NULL to + * avoid calling the callback more than once if + * this function gets called again. + */ + bt_cb(hdev->sent_cmd)->req.complete = NULL; + goto call_complete; + } } /* Remove all pending commands belonging to this request */ |