Re: [PATCH v8 3/3] watchdog: wdat_wdt: Stop watchdog when uninstalling module

From: Guenter Roeck
Date: Tue Apr 26 2022 - 16:16:52 EST


On Tue, Apr 26, 2022 at 10:53:30PM +0800, Liu Xinpeng wrote:
> Test shows that wachdog still reboots machine after the module
> is removed. Use watchdog_stop_on_unregister to stop the watchdog
> on removing.
>
> Signed-off-by: Liu Xinpeng <liuxp11@xxxxxxxxxxxxxxx>

Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>

> ---
> drivers/watchdog/wdat_wdt.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/watchdog/wdat_wdt.c b/drivers/watchdog/wdat_wdt.c
> index 6f36a653767b..e6f95e99156d 100644
> --- a/drivers/watchdog/wdat_wdt.c
> +++ b/drivers/watchdog/wdat_wdt.c
> @@ -463,6 +463,7 @@ static int wdat_wdt_probe(struct platform_device *pdev)
>
> watchdog_set_nowayout(&wdat->wdd, nowayout);
> watchdog_stop_on_reboot(&wdat->wdd);
> + watchdog_stop_on_unregister(&wdat->wdd);
> return devm_watchdog_register_device(dev, &wdat->wdd);
> }
>
> --
> 2.23.0
>