From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Jann Horn <jannh@google.com>
Cc: Jiri Slaby <jirislaby@kernel.org>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] tty: Remove dead termiox code
Date: Thu, 3 Dec 2020 19:43:28 +0100 [thread overview]
Message-ID: <X8kx0E6999AZ5Y9j@kroah.com> (raw)
In-Reply-To: <20201203020331.2394754-1-jannh@google.com>
On Thu, Dec 03, 2020 at 03:03:31AM +0100, Jann Horn wrote:
> set_termiox() and the TCGETX handler bail out with -EINVAL immediately
> if ->termiox is NULL, but there are no code paths that can set
> ->termiox to a non-NULL pointer; and no such code paths seem to have
> existed since the termiox mechanism was introduced back in
> commit 1d65b4a088de ("tty: Add termiox") in v2.6.28.
> Similarly, no driver actually implements .set_termiox; and it looks like
> no driver ever has.
>
> Delete this dead code; but leave the definition of struct termiox in the
> UAPI headers intact.
Crazy that no one uses it. Nice cleanup, thanks for doing this.
greg k-h
next prev parent reply other threads:[~2020-12-03 18:43 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-03 2:03 [PATCH] tty: Remove dead termiox code Jann Horn
2020-12-03 18:43 ` Greg Kroah-Hartman [this message]
2020-12-04 7:22 ` Jiri Slaby
2020-12-04 8:17 ` Greg Kroah-Hartman
2020-12-04 8:20 ` Jiri Slaby
2020-12-04 8:36 ` Greg Kroah-Hartman
2020-12-04 8:51 ` Jiri Slaby
2020-12-04 9:10 ` Greg Kroah-Hartman
2020-12-07 10:19 ` Adam Borowski
2020-12-07 13:57 ` Greg Kroah-Hartman
2020-12-08 11:13 ` Christoph Hellwig
2020-12-08 11:23 ` Jiri Slaby
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