linux-kernel - Re: [PATCH] gpio: zynq: fix reference leak in zynq

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Message-ID: <CAMpxmJXxibU_i__GnCOktxPct9drrLKvf4Oo6jpXrhiJWt7QZA@mail.gmail.com>
Date:   Mon, 30 Nov 2020 17:44:59 +0100
From:   Bartosz Golaszewski <bgolaszewski@...libre.com>
To:     Qinglang Miao <miaoqinglang@...wei.com>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Michal Simek <michal.simek@...inx.com>,
        linux-gpio <linux-gpio@...r.kernel.org>,
        arm-soc <linux-arm-kernel@...ts.infradead.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] gpio: zynq: fix reference leak in zynq_gpio functions

On Fri, Nov 27, 2020 at 10:40 AM Qinglang Miao <miaoqinglang@...wei.com> wrote:
>
> pm_runtime_get_sync will increment pm usage counter even it
> failed. Forgetting to putting operation will result in a
> reference leak here.
>
> A new function pm_runtime_resume_and_get is introduced in
> [0] to keep usage counter balanced. So We fix the reference
> leak by replacing it with new funtion.
>
> [0] dd8088d5a896 ("PM: runtime: Add  pm_runtime_resume_and_get to deal with usage counter")

Is this upstream yet?

Bartosz