Bluetooth: Add timer for automatically disabling the service cache

We do not want the service cache to be enabled indefinitely after
mgmt_read_info is called. To solve this a timer is added which will
automatically disable the cache if mgmt_set_dev_class isn't called
within 5 seconds of calling mgmt_read_info.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

1 files changed, 3 insertions, 0 deletions

diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 82d1d9e6b7c..b5ba42db056 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -598,6 +598,9 @@ static int hci_dev_do_close(struct hci_dev *hdev)
         if (test_and_clear_bit(HCI_AUTO_OFF, &hdev->flags))
                 cancel_delayed_work(&hdev->power_off);
 
+        if (test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->flags))
+                cancel_delayed_work(&hdev->service_cache);
+
         hci_dev_lock(hdev);
         inquiry_cache_flush(hdev);
         hci_conn_hash_flush(hdev);