RE: [PATCH 07/10] mei: vsc: Unset the event callback on remove and probe errors
From: Usyskin, Alexander
Date: Wed Jun 25 2025 - 06:03:05 EST
> Subject: [PATCH 07/10] mei: vsc: Unset the event callback on remove and
> probe errors
>
> Make mei_vsc_remove() properly unset the callback to avoid a dead callback
> sticking around after probe errors or unbinding of the platform driver.
>
Reviewed-by: Alexander Usyskin <alexander.usyskin@xxxxxxxxx>
> Fixes: 386a766c4169 ("mei: Add MEI hardware support for IVSC device")
> Signed-off-by: Hans de Goede <hansg@xxxxxxxxxx>
> ---
> drivers/misc/mei/platform-vsc.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/drivers/misc/mei/platform-vsc.c b/drivers/misc/mei/platform-vsc.c
> index 1ac85f0251c5..b2b5a20ae3fa 100644
> --- a/drivers/misc/mei/platform-vsc.c
> +++ b/drivers/misc/mei/platform-vsc.c
> @@ -380,6 +380,8 @@ static int mei_vsc_probe(struct platform_device
> *pdev)
> err_cancel:
> mei_cancel_work(mei_dev);
>
> + vsc_tp_register_event_cb(tp, NULL, NULL);
> +
> mei_disable_interrupts(mei_dev);
>
> return ret;
> @@ -388,11 +390,14 @@ static int mei_vsc_probe(struct platform_device
> *pdev)
> static void mei_vsc_remove(struct platform_device *pdev)
> {
> struct mei_device *mei_dev = platform_get_drvdata(pdev);
> + struct mei_vsc_hw *hw = mei_dev_to_vsc_hw(mei_dev);
>
> pm_runtime_disable(mei_dev->dev);
>
> mei_stop(mei_dev);
>
> + vsc_tp_register_event_cb(hw->tp, NULL, NULL);
> +
> mei_disable_interrupts(mei_dev);
>
> mei_deregister(mei_dev);
> --
> 2.49.0