linux-kernel - [PATCH 1/6] watchdog/hpwdt: Stop hpwdt on unregister.

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Message-Id: <1558126783-4877-2-git-send-email-jerry.hoemann@hpe.com>
Date:   Fri, 17 May 2019 14:59:38 -0600
From:   Jerry Hoemann <jerry.hoemann@....com>
To:     linux@...ck-us.net, wim@...ux-watchdog.org,
        linux-watchdog@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, mironov.ivan@...il.com,
        rasmus.villemoes@...vas.dk, jerry.hoemann@....com
Subject: [PATCH 1/6] watchdog/hpwdt: Stop hpwdt on unregister.

Have the WD core stop the watchdog on unregister instead of explicitly
calling hpwdt_stop() in hpwdt_exit().

Signed-off-by: Jerry Hoemann <jerry.hoemann@....com>
---
 drivers/watchdog/hpwdt.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c
index ef30c7e..8c49f13 100644
--- a/drivers/watchdog/hpwdt.c
+++ b/drivers/watchdog/hpwdt.c
@@ -310,6 +310,7 @@ static int hpwdt_init_one(struct pci_dev *dev,
 	if (retval != 0)
 		goto error_init_nmi_decoding;
 
+	watchdog_stop_on_unregister(&hpwdt_dev);
 	watchdog_set_nowayout(&hpwdt_dev, nowayout);
 	if (watchdog_init_timeout(&hpwdt_dev, soft_margin, NULL))
 		dev_warn(&dev->dev, "Invalid soft_margin: %d.\n", soft_margin);
@@ -350,9 +351,6 @@ static int hpwdt_init_one(struct pci_dev *dev,
 
 static void hpwdt_exit(struct pci_dev *dev)
 {
-	if (!nowayout)
-		hpwdt_stop();
-
 	watchdog_unregister_device(&hpwdt_dev);
 	hpwdt_exit_nmi_decoding();
 	pci_iounmap(dev, pci_mem_addr);
-- 
1.8.3.1