linux-kernel - Re: [PATCH] PM: domains: Simplify the calculation of variables

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Message-ID: <CAPDyKFrtwFwPjLz7OYOtF4S7WORoyGFgpv9n6xABn-vp3w59dQ@mail.gmail.com>
Date:   Mon, 1 Feb 2021 11:08:22 +0100
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Abaci Team <abaci-bugfix@...ux.alibaba.com>
Cc:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Kevin Hilman <khilman@...nel.org>,
        Len Brown <len.brown@...el.com>, Pavel Machek <pavel@....cz>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Linux PM <linux-pm@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] PM: domains: Simplify the calculation of variables

On Wed, 27 Jan 2021 at 09:42, Abaci Team <abaci-bugfix@...ux.alibaba.com> wrote:
>
> Fix the following coccicheck warnings:
>
> ./drivers/base/power/domain.c:938:31-33: WARNING !A || A && B is
> equivalent to !A || B.
>
> Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
> Suggested-by: Jiapeng Zhong <oswb@...ux.alibaba.com>
> Signed-off-by: Abaci Team <abaci-bugfix@...ux.alibaba.com>

Acked-by: Ulf Hansson <ulf.hansson@...aro.org>

Kind regards
Uffe

> ---
>  drivers/base/power/domain.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
> index 9a14eed..e689710 100644
> --- a/drivers/base/power/domain.c
> +++ b/drivers/base/power/domain.c
> @@ -934,8 +934,7 @@ static int genpd_runtime_resume(struct device *dev)
>  err_stop:
>         genpd_stop_dev(genpd, dev);
>  err_poweroff:
> -       if (!pm_runtime_is_irq_safe(dev) ||
> -               (pm_runtime_is_irq_safe(dev) && genpd_is_irq_safe(genpd))) {
> +       if (!pm_runtime_is_irq_safe(dev) || genpd_is_irq_safe(genpd)) {
>                 genpd_lock(genpd);
>                 genpd_power_off(genpd, true, 0);
>                 genpd_unlock(genpd);
> --
> 1.8.3.1
>