diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/bluetooth/hci_core.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index fbc4a1a0bf2..d954ad9962b 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -49,10 +49,25 @@ DEFINE_RWLOCK(hci_cb_list_lock); static DEFINE_IDA(hci_index_ida); /* ---- HCI notifications ---- */ +static ATOMIC_NOTIFIER_HEAD(hci_notifier); + +int hci_register_notifier(struct notifier_block *nb) +{ + return atomic_notifier_chain_register(&hci_notifier, nb); +} + +int hci_unregister_notifier(struct notifier_block *nb) +{ + return atomic_notifier_chain_unregister(&hci_notifier, nb); +} static void hci_notify(struct hci_dev *hdev, int event) { hci_sock_dev_event(hdev, event); + + if (event == HCI_DEV_REG || event == HCI_DEV_UNREG + || event == HCI_DEV_WRITE) + atomic_notifier_call_chain(&hci_notifier, event, hdev); } /* ---- HCI requests ---- */ @@ -2592,6 +2607,8 @@ static int hci_send_frame(struct sk_buff *skb) /* Get rid of skb owner, prior to sending to the driver. */ skb_orphan(skb); + hci_notify(hdev, HCI_DEV_WRITE); + return hdev->send(skb); } |