2024-04-24 14:06:49

by Takashi Iwai

[permalink] [raw]
Subject: Re: [PATCH] Bluetooth: hci_sync: Using hci_cmd_sync_submit when removing Adv Monitor

On Wed, 24 Apr 2024 15:59:03 +0200,
Lee, Chun-Yi wrote:
>
> From: Chun-Yi Lee <[email protected]>
>
> Since the d883a4669a1de be introduced in v6.4, bluetooth daemon
> got the following failed message of MGMT_OP_REMOVE_ADV_MONITOR
> command when controller is power-off:
>
> bluetoothd[20976]:
> src/adapter.c:reset_adv_monitors_complete() Failed to reset Adv
> Monitors: Failed>
>
> Normally this situation is happened when the bluetoothd deamon
> be started manually after system booting. Which means that
> bluetoothd received MGMT_EV_INDEX_ADDED event after kernel
> runs hci_power_off().
>
> Base on doc/mgmt-api.txt, the MGMT_OP_REMOVE_ADV_MONITOR command
> can be used when the controller is not powered. This patch changes
> the code in remove_adv_monitor() to use hci_cmd_sync_submit()
> instead of hci_cmd_sync_queue().
>
> Fixes: d883a4669a1de ("Bluetooth: hci_sync: Only allow hci_cmd_sync_queue if running")
> Cc: Luiz Augusto von Dentz <[email protected]>
> Cc: Manish Mandlik <[email protected]>
> Cc: Archie Pusaka <[email protected]>
> Cc: Miao-chen Chou <[email protected]>
> Signed-off-by: Chun-Yi Lee <[email protected]>

Is it a same issue tracked in
https://github.com/bluez/bluez/issues/809
??


thanks,

Takashi

> ---
> net/bluetooth/mgmt.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
> index 32ed6e9245a3..21962969411d 100644
> --- a/net/bluetooth/mgmt.c
> +++ b/net/bluetooth/mgmt.c
> @@ -5475,7 +5475,7 @@ static int remove_adv_monitor(struct sock *sk, struct hci_dev *hdev,
> goto unlock;
> }
>
> - err = hci_cmd_sync_queue(hdev, mgmt_remove_adv_monitor_sync, cmd,
> + err = hci_cmd_sync_submit(hdev, mgmt_remove_adv_monitor_sync, cmd,
> mgmt_remove_adv_monitor_complete);
>
> if (err) {
> --
> 2.35.3
>
>