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Date:   Mon, 04 Jan 2021 18:39:41 +0100
From:   Bean Huo <huobean@...il.com>
To:     Can Guo <cang@...eaurora.org>
Cc:     alim.akhtar@...sung.com, avri.altman@....com,
        asutoshd@...eaurora.org, jejb@...ux.ibm.com,
        martin.petersen@...cle.com, stanley.chu@...iatek.com,
        beanhuo@...ron.com, bvanassche@....org, tomas.winkler@...el.com,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        rjw@...ysocki.net
Subject: Re: [PATCH v2 2/3] scsi: ufs: Add handling of the return value of
 pm_runtime_get_sync()

On Mon, 2020-12-28 at 09:50 +0800, Can Guo wrote:
> > The race issue may exist between UFS access in UFS sysfs context
> > and 
> > UFS
> > shutdown, thus will cause pm_runtime_get_sync() resume failure.
> 
> Are you trying to fix the race condition by adding these checks or
> just
> adding these checks in case pm_runtime_get_sync() fails?
> 
> Can Guo.

Can,
thanks for your review. Sorry, I didn't quite get your point.
This patch is just to add checkup in case pm_runtime_get_sync() failed.

what else should be added?

Bean

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