linux-kernel - Re: [PATCH v2 0/3] Handle UART without interrupt on TEMT using em485

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Message-ID: <YVbzw3TP7zQXmSuv@smile.fi.intel.com>
Date:   Fri, 1 Oct 2021 14:40:51 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>
Cc:     Eric Tremblay <etremblay@...tech-controls.com>,
        gregkh@...uxfoundation.org, jslaby@...e.com,
        matwey.kornilov@...il.com, giulio.benetti@...ronovasrl.com,
        lukas@...ner.de, linux-serial@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        christoph.muellner@...obroma-systems.com, heiko@...ech.de,
        heiko.stuebner@...obroma-systems.com
Subject: Re: [PATCH v2 0/3] Handle UART without interrupt on TEMT using em485

On Wed, Sep 29, 2021 at 10:07:47PM +0200, Uwe Kleine-König wrote:
> On Fri, Feb 05, 2021 at 04:20:00PM +0200, Andy Shevchenko wrote:
> > On Thu, Feb 04, 2021 at 11:11:55AM -0500, Eric Tremblay wrote:
> > > Thanks everyone for the comments. I apply most of the comments on version 1
> > > but there is still a pending point with the Jiri comment about the safety of:
> > > struct tty_struct *tty = p->port.state->port.tty;
> > > I thought about adding a check with tty_port_initialized() before accessing
> > > the pointer, but I saw some other places where that same pointer is accessed
> > > without further protection, at least from what I see.
> > 
> > Thanks for the update. Unfortunately I'm a bit busy with other prioritized
> > stuff, but I will review this next week.
> 
> I assume this fell through the cracks as "next week" is already over ...?

Indeed. Anyways, there is a kbuildbot message against patch 1 as I see and
needs to be addressed. I'm going to look into the code right now.

-- 
With Best Regards,
Andy Shevchenko