linux-kernel - Re: [PATCH v3] time: Fix incorrect sleeptime injection when suspend fails

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Message-ID: <alpine.DEB.2.21.1807162116180.1693@nanos.tec.linutronix.de>
Date:   Mon, 16 Jul 2018 21:18:17 +0200 (CEST)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Mukesh Ojha <mojha@...eaurora.org>
cc:     John Stultz <john.stultz@...aro.org>,
        lkml <linux-kernel@...r.kernel.org>, gkohli@...eaurora.org,
        cpandya@...eaurora.org, neeraju@...eaurora.org,
        Baolin Wang <baolin.wang@...aro.org>
Subject: Re: [PATCH v3] time: Fix incorrect sleeptime injection when suspend
 fails

On Tue, 17 Jul 2018, Mukesh Ojha wrote:
> On 7/16/2018 10:44 PM, John Stultz wrote:
> > > So, I think with the logic bug above it will work out properly, but
> > > let me know if I'm still missing something.
> 
> Please give it thought to a case where very first suspend fails with your
> logic.
> If i am not able to get your thought, please write a patch.

John wants you to invert the logic. i.e.

     true -> false
     false -> true
     if (var) -> if (!var)
     if (!var) -> if (var)

It's not that hard, right?

Thanks,

	tglx