linux-kernel - Re: [PATCH 01/11] watchdog: WatchDog Timer Driver Core

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Date:	Tue, 12 Jul 2011 10:24:10 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Lars-Peter Clausen <lars@...afoo.de>
Cc:	Wim Van Sebroeck <wim@...ana.be>,
	LKML <linux-kernel@...r.kernel.org>,
	Linux Watchdog Mailing List <linux-watchdog@...r.kernel.org>
Subject: Re: [PATCH 01/11] watchdog: WatchDog Timer Driver Core - Add basic
 framework

> > +	/* stop the watchdog */
> > +	err = wdd->ops->stop(wdd);
> Does it really make sense to allow stop() to fail? Will this ever happen, and
> if yes do we gain anything by sending a additional ping?

It gives user space more time to react - or would do if the err was
propogated.

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