linux-kernel - [PATCH v3 3/4] watchdog: wdat_wdg: Stop watchdog when uninstalling module

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Message-Id: <1650944120-30954-4-git-send-email-liuxp11@chinatelecom.cn>
Date:   Tue, 26 Apr 2022 11:35:19 +0800
From:   Liu Xinpeng <liuxp11@...natelecom.cn>
To:     wim@...ux-watchdog.org, linux@...ck-us.net
Cc:     linux-watchdog@...r.kernel.org, linux-kernel@...r.kernel.org,
        Liu Xinpeng <liuxp11@...natelecom.cn>
Subject: [PATCH v3 3/4] watchdog: wdat_wdg: Stop watchdog when uninstalling module

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@...natelecom.cn>
---
 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 609922ed4744..502da41ac0b2 100644
--- a/drivers/watchdog/wdat_wdt.c
+++ b/drivers/watchdog/wdat_wdt.c
@@ -464,6 +464,7 @@ 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