diff options
| author |   Ziyang Xuan <william.xuanziyang@huawei.com> | 2023-10-11 17:57:31 +0800 |
|---|---|---|
| committer |   Luiz Augusto von Dentz <luiz.von.dentz@intel.com> | 2023-10-23 11:03:20 -0700 |
| commit | 181a42edddf51d5d9697ecdf365d72ebeab5afb0 (patch) | |
| tree | 28decb9a44b9deb3a8c513faf1d2bef8eabc871c /net/bluetooth/hci_core.c | |
| parent | Bluetooth: btusb: Add date->evt_skb is NULL check (diff) | |
| download | linux-181a42edddf51d5d9697ecdf365d72ebeab5afb0.tar.xz linux-181a42edddf51d5d9697ecdf365d72ebeab5afb0.zip | |
Bluetooth: Make handle of hci_conn be unique
The handle of new hci_conn is always HCI_CONN_HANDLE_MAX + 1 if
the handle of the first hci_conn entry in hci_dev->conn_hash->list
is not HCI_CONN_HANDLE_MAX + 1. Use ida to manage the allocation of
hci_conn->handle to make it be unique.
Fixes: 9f78191cc9f1 ("Bluetooth: hci_conn: Always allocate unique handles")
Signed-off-by: Ziyang Xuan <william.xuanziyang@huawei.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Diffstat (limited to 'net/bluetooth/hci_core.c')
| -rw-r--r-- | net/bluetooth/hci_core.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index 195aea2198a9..65601aa52e0d 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -2535,6 +2535,8 @@ struct hci_dev *hci_alloc_dev_priv(int sizeof_priv) mutex_init(&hdev->lock); mutex_init(&hdev->req_lock); + ida_init(&hdev->unset_handle_ida); + INIT_LIST_HEAD(&hdev->mesh_pending); INIT_LIST_HEAD(&hdev->mgmt_pending); INIT_LIST_HEAD(&hdev->reject_list); @@ -2789,6 +2791,7 @@ void hci_release_dev(struct hci_dev *hdev) hci_codec_list_clear(&hdev->local_codecs); hci_dev_unlock(hdev); + ida_destroy(&hdev->unset_handle_ida); ida_simple_remove(&hci_index_ida, hdev->id); kfree_skb(hdev->sent_cmd); kfree_skb(hdev->recv_event); |