linux-kernel - [PATCH 4.2 037/258] watchdog: imgpdc: Unregister restart handler on remove

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Date:	Sat, 17 Oct 2015 18:55:50 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org,
	Ariel DAlessandro <ariel@...guardiasur.com.ar>,
	Ezequiel Garcia <ezequiel@...guardiasur.com.ar>,
	Guenter Roeck <linux@...ck-us.net>,
	Wim Van Sebroeck <wim@...ana.be>
Subject: [PATCH 4.2 037/258] watchdog: imgpdc: Unregister restart handler on remove

4.2-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Ezequiel Garcia <ezequiel@...guardiasur.com.ar>

commit 8a340dbbc4b10fe07a924e91979bfc93e966dd65 upstream.

Commit c631f20068 ("watchdog: imgpdc: Add reboot support") introduced
a restart handler but forgot to unregister it on driver removal. Fix it.

Fixes: c631f20068 ("watchdog: imgpdc: Add reboot support")
Reported-by: Ariel D'Alessandro <ariel@...guardiasur.com.ar>
Signed-off-by: Ezequiel Garcia <ezequiel@...guardiasur.com.ar>
Reviewed-by: Guenter Roeck <linux@...ck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@...ana.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/watchdog/imgpdc_wdt.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/watchdog/imgpdc_wdt.c
+++ b/drivers/watchdog/imgpdc_wdt.c
@@ -316,6 +316,7 @@ static int pdc_wdt_remove(struct platfor
 {
 	struct pdc_wdt_dev *pdc_wdt = platform_get_drvdata(pdev);
 
+	unregister_restart_handler(&pdc_wdt->restart_handler);
 	pdc_wdt_stop(&pdc_wdt->wdt_dev);
 	watchdog_unregister_device(&pdc_wdt->wdt_dev);
 	clk_disable_unprepare(pdc_wdt->wdt_clk);


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