From: Wei Yongjun Date: Wed, 13 Oct 2021 08:55:46 +0000 (+0800) Subject: Bluetooth: Fix debugfs entry leak in hci_register_dev() X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=d86db46b5cf5f02dc8c54da3b31d90e3dc7b02cd;p=linux.git Bluetooth: Fix debugfs entry leak in hci_register_dev() [ Upstream commit 5a4bb6a8e981d3d0d492aa38412ee80b21033177 ] Fault injection test report debugfs entry leak as follows: debugfs: Directory 'hci0' with parent 'bluetooth' already present! When register_pm_notifier() failed in hci_register_dev(), the debugfs create by debugfs_create_dir() do not removed in the error handing path. Add the remove debugfs code to fix it. Signed-off-by: Wei Yongjun Signed-off-by: Marcel Holtmann Signed-off-by: Sasha Levin --- diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index 325db9c4c6109..53f1b08017aab 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -3999,6 +3999,7 @@ int hci_register_dev(struct hci_dev *hdev) return id; err_wqueue: + debugfs_remove_recursive(hdev->debugfs); destroy_workqueue(hdev->workqueue); destroy_workqueue(hdev->req_workqueue); err: