diff options
| -rw-r--r-- | include/net/bluetooth/hci.h | 1 | ||||
| -rw-r--r-- | net/bluetooth/hci_core.c | 7 |
2 files changed, 8 insertions, 0 deletions
diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h index aaf79af7243..a7e13bfbd45 100644 --- a/include/net/bluetooth/hci.h +++ b/include/net/bluetooth/hci.h @@ -84,6 +84,7 @@ enum { HCI_SERVICE_CACHE, HCI_LINK_KEYS, HCI_DEBUG_KEYS, + HCI_UNREGISTER, HCI_RESET, }; diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index b84458dcc22..857dc88acb4 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -510,6 +510,11 @@ int hci_dev_open(__u16 dev) hci_req_lock(hdev); + if (test_bit(HCI_UNREGISTER, &hdev->flags)) { + ret = -ENODEV; + goto done; + } + if (hdev->rfkill && rfkill_blocked(hdev->rfkill)) { ret = -ERFKILL; goto done; @@ -1540,6 +1545,8 @@ int hci_unregister_dev(struct hci_dev *hdev) BT_DBG("%p name %s bus %d", hdev, hdev->name, hdev->bus); + set_bit(HCI_UNREGISTER, &hdev->flags); + write_lock_bh(&hci_dev_list_lock); list_del(&hdev->list); write_unlock_bh(&hci_dev_list_lock); |