diff options
| -rw-r--r-- | net/bluetooth/hci_event.c | 29 |
1 files changed, 24 insertions, 5 deletions
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 218da9b0fe8f..559b6080706c 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -3799,6 +3799,22 @@ static u8 hci_cc_le_read_buffer_size_v2(struct hci_dev *hdev, void *data, return rp->status; } +static void hci_unbound_cis_failed(struct hci_dev *hdev, u8 cig, u8 status) +{ + struct hci_conn *conn, *tmp; + + lockdep_assert_held(&hdev->lock); + + list_for_each_entry_safe(conn, tmp, &hdev->conn_hash.list, list) { + if (conn->type != ISO_LINK || !bacmp(&conn->dst, BDADDR_ANY) || + conn->state == BT_OPEN || conn->iso_qos.ucast.cig != cig) + continue; + + if (HCI_CONN_HANDLE_UNSET(conn->handle)) + hci_conn_failed(conn, status); + } +} + static u8 hci_cc_le_set_cig_params(struct hci_dev *hdev, void *data, struct sk_buff *skb) { @@ -3820,12 +3836,15 @@ static u8 hci_cc_le_set_cig_params(struct hci_dev *hdev, void *data, hci_dev_lock(hdev); + /* BLUETOOTH CORE SPECIFICATION Version 5.4 | Vol 4, Part E page 2554 + * + * If the Status return parameter is non-zero, then the state of the CIG + * and its CIS configurations shall not be changed by the command. If + * the CIG did not already exist, it shall not be created. + */ if (status) { - while ((conn = hci_conn_hash_lookup_cig(hdev, rp->cig_id))) { - conn->state = BT_CLOSED; - hci_connect_cfm(conn, status); - hci_conn_del(conn); - } + /* Keep current configuration, fail only the unbound CIS */ + hci_unbound_cis_failed(hdev, rp->cig_id, status); goto unlock; } |