From: Bin Liu <b-liu@ti.com>
To: Dinghao Liu <dinghao.liu@zju.edu.cn>
Cc: <kjlu@umn.edu>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
<linux-usb@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] [v3] usb: musb: Fix runtime PM imbalance on error
Date: Fri, 22 May 2020 10:37:01 -0500 [thread overview]
Message-ID: <20200522153701.GD25575@iaqt7> (raw)
In-Reply-To: <20200522054235.7944-1-dinghao.liu@zju.edu.cn>
On Fri, May 22, 2020 at 01:42:35PM +0800, Dinghao Liu wrote:
> When copy_from_user() returns an error code, there
> is a runtime PM usage counter imbalance.
>
> Fix this by moving copy_from_user() to the beginning
> of this function.
>
> Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
> ---
>
> Changelog:
>
> v2: - Move copy_from_user() to the beginning rather
> than adding pm_runtime_put_autosuspend().
>
> v3: - Add missing changelog information.
Queued for v5.8. Thanks.
-Bin.
prev parent reply other threads:[~2020-05-22 15:37 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-22 5:42 [PATCH] [v3] usb: musb: Fix runtime PM imbalance on error Dinghao Liu
2020-05-22 15:37 ` Bin Liu [this message]
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