Re: [PATCH v2 3/3] Bluetooth: hci_conn: Fix hci_connect_le_sync

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Hi Luiz,

> The handling of connection failures shall be handled by the request
> completion callback as already done by hci_cs_le_create_conn, also make
> sure to use hci_conn_failed instead of hci_le_conn_failed as the later
> don't actually call hci_conn_del to cleanup.
> 
> Fixes: 8e8b92ee60de5 ("Bluetooth: hci_sync: Add hci_le_create_conn_sync")
> Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>
> ---
> net/bluetooth/hci_conn.c  | 5 +++--
> net/bluetooth/hci_event.c | 8 +++++---
> 2 files changed, 8 insertions(+), 5 deletions(-)
> 
> diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
> index 4a5193499b77..a36297368c58 100644
> --- a/net/bluetooth/hci_conn.c
> +++ b/net/bluetooth/hci_conn.c
> @@ -943,10 +943,11 @@ static void create_le_conn_complete(struct hci_dev *hdev, void *data, int err)
> 
> 	bt_dev_err(hdev, "request failed to create LE connection: err %d", err);
> 
> -	if (!conn)
> +	/* Check if connection is still pending */
> +	if (conn != hci_lookup_le_connect(hdev))
> 		goto done;
> 
> -	hci_le_conn_failed(conn, bt_status(err));
> +	hci_conn_failed(conn, bt_status(err));
> 
> done:
> 	hci_dev_unlock(hdev);
> diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
> index 0270e597c285..af17dfb20e01 100644
> --- a/net/bluetooth/hci_event.c
> +++ b/net/bluetooth/hci_event.c
> @@ -5632,10 +5632,12 @@ static void le_conn_complete_evt(struct hci_dev *hdev, u8 status,
> 		status = HCI_ERROR_INVALID_PARAMETERS;
> 	}
> 
> -	if (status) {
> -		hci_conn_failed(conn, status);
> +	/* All connection failure handling is taken care of by the
> +	 * hci_conn_failed function which is triggered by the HCI
> +	 * request completion callbacks used for connecting.
> +	 */
> +	if (status)
> 		goto unlock;
> -	}
> 
> 	if (conn->dst_type == ADDR_LE_DEV_PUBLIC)
> 		addr_type = BDADDR_LE_PUBLIC;

can apply this patch alone and push it to -stable?

Regards

Marcel




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