diff options
| author | Marcel Holtmann <marcel@holtmann.org> | 2015-10-04 23:33:59 +0200 |
|---|---|---|
| committer | Johan Hedberg <johan.hedberg@intel.com> | 2015-10-05 10:29:23 +0300 |
| commit | ed1b28a48b6c4e206bd88f5758393261710566f2 (patch) | |
| tree | 93a9f56290c5c8963285735dec946ed68db84c29 | |
| parent | b224d3ff717cc3af91a4ec74d863a176d79331af (diff) | |
| download | linux-ed1b28a48b6c4e206bd88f5758393261710566f2.tar.gz | |
Bluetooth: Limit userspace exposure of stack internal events
The stack internal events that are exposed to userspace should be limited to HCI_DEV_REG, HCI_DEV_UNREG, HCI_DEV_UP and HCI_DEV_DOWN. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
| -rw-r--r-- | net/bluetooth/hci_sock.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c index 150556345263..d9ad68448173 100644 --- a/net/bluetooth/hci_sock.c +++ b/net/bluetooth/hci_sock.c @@ -392,14 +392,12 @@ static void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data) void hci_sock_dev_event(struct hci_dev *hdev, int event) { - struct hci_ev_si_device ev; - BT_DBG("hdev %s event %d", hdev->name, event); - /* Send event to monitor */ if (atomic_read(&monitor_promisc)) { struct sk_buff *skb; + /* Send event to monitor */ skb = create_monitor_event(hdev, event); if (skb) { hci_send_to_channel(HCI_CHANNEL_MONITOR, skb, @@ -408,10 +406,14 @@ void hci_sock_dev_event(struct hci_dev *hdev, int event) } } - /* Send event to sockets */ - ev.event = event; - ev.dev_id = hdev->id; - hci_si_event(NULL, HCI_EV_SI_DEVICE, sizeof(ev), &ev); + if (event <= HCI_DEV_DOWN) { + struct hci_ev_si_device ev; + + /* Send event to sockets */ + ev.event = event; + ev.dev_id = hdev->id; + hci_si_event(NULL, HCI_EV_SI_DEVICE, sizeof(ev), &ev); + } if (event == HCI_DEV_UNREG) { struct sock *sk; |