linux-kernel - Re: [PATCH v2] tty: n_gsm: restrict tty devices to attach

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Message-ID: <CAHk-=wge_xT33zVY21rk4Le5xyPitiSFYL=qJ5NNwF-F79PJDg@mail.gmail.com>
Date: Tue, 23 Apr 2024 09:37:11 -0700
From: Linus Torvalds <torvalds@...ux-foundation.org>
To: Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Jiri Slaby <jirislaby@...nel.org>, 
	Andrew Morton <akpm@...ux-foundation.org>, "Starke, Daniel" <daniel.starke@...mens.com>, 
	LKML <linux-kernel@...r.kernel.org>, 
	linux-security-module <linux-security-module@...r.kernel.org>
Subject: Re: [PATCH v2] tty: n_gsm: restrict tty devices to attach

On Tue, 23 Apr 2024 at 08:26, Tetsuo Handa
<penguin-kernel@...ove.sakura.ne.jp> wrote:
>
> On 2024/04/22 1:04, Linus Torvalds wrote:
> >
> > Actually, another option would be to just return an error at 'set_ldisc()' time.
>
> This patch works for me. You can propose a formal patch.

Ok, I wrote a commit message, added your tested-by, and sent it out

    https://lore.kernel.org/all/20240423163339.59780-1-torvalds@linux-foundation.org/

let's see if anybody has better ideas, but that patch at least looks
palatable to me.

                  Linus