Bluetooth: defer cleanup of resources in hci_unregister_dev()

[linux-2.6-microblaze.git] / net / bluetooth / hci_core.c

diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 2560ed2..e1a545c 100644 (file)
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -3996,14 +3996,10 @@ EXPORT_SYMBOL(hci_register_dev);
 /* Unregister HCI device */
 void hci_unregister_dev(struct hci_dev *hdev)
 {
-       int id;
-
        BT_DBG("%p name %s bus %d", hdev, hdev->name, hdev->bus);
 
        hci_dev_set_flag(hdev, HCI_UNREGISTER);
 
-       id = hdev->id;
-
        write_lock(&hci_dev_list_lock);
        list_del(&hdev->list);
        write_unlock(&hci_dev_list_lock);
@@ -4038,7 +4034,14 @@ void hci_unregister_dev(struct hci_dev *hdev)
        }
 
        device_del(&hdev->dev);
+       /* Actual cleanup is deferred until hci_cleanup_dev(). */
+       hci_dev_put(hdev);
+}
+EXPORT_SYMBOL(hci_unregister_dev);
 
+/* Cleanup HCI device */
+void hci_cleanup_dev(struct hci_dev *hdev)
+{
        debugfs_remove_recursive(hdev->debugfs);
        kfree_const(hdev->hw_info);
        kfree_const(hdev->fw_info);
@@ -4063,11 +4066,8 @@ void hci_unregister_dev(struct hci_dev *hdev)
        hci_blocked_keys_clear(hdev);
        hci_dev_unlock(hdev);
 
-       hci_dev_put(hdev);
-
-       ida_simple_remove(&hci_index_ida, id);
+       ida_simple_remove(&hci_index_ida, hdev->id);
 }
-EXPORT_SYMBOL(hci_unregister_dev);
 
 /* Suspend HCI device */
 int hci_suspend_dev(struct hci_dev *hdev)