netdev - Re: [PATCH net 3/3] ice: Add set_termios tty operations handle to GNSS

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Message-ID: <6a426c91-5c03-a328-d341-ef98bc3d8115@kernel.org>
Date:   Fri, 2 Sep 2022 09:42:54 +0200
From:   Jiri Slaby <jirislaby@...nel.org>
To:     Johan Hovold <johan@...nel.org>, Jakub Kicinski <kuba@...nel.org>,
        Tony Nguyen <anthony.l.nguyen@...el.com>
Cc:     davem@...emloft.net, pabeni@...hat.com, edumazet@...gle.com,
        Michal Michalik <michal.michalik@...el.com>,
        netdev@...r.kernel.org, richardcochran@...il.com,
        Gurucharan <gurucharanx.g@...el.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: [PATCH net 3/3] ice: Add set_termios tty operations handle to
 GNSS

On 01. 09. 22, 8:44, Johan Hovold wrote:
> Looks like this was merged in 5.18 with 43113ff73453 ("ice: add TTY for
> GNSS module for E810T device") without any input from people familiar
> with tty either.

FWIW doesn't it crash in ice_gnss_tty_write() on parallel tty opens due to:
          tty->driver_data = NULL;
in ice_gnss_tty_open()?

There are many "interesting" constructs in the driver...

thanks,
-- 
js
suse labs