linux-kernel - Re: tty: define tty_open_by_driver when CONFIG

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Message-ID: <20170617210812.rhpbip7iamid5fmo@var.youpi.perso.aquilenet.fr>
Date:   Sat, 17 Jun 2017 23:08:12 +0200
From:   Samuel Thibault <samuel.thibault@...-lyon.org>
To:     Okash Khawaja <okash.khawaja@...il.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jslaby@...e.com>, linux-kernel@...r.kernel.org,
        Alan Cox <gnomes@...rguk.ukuu.org.uk>,
        speakup@...ux-speakup.org, devel@...verdev.osuosl.org
Subject: Re: tty: define tty_open_by_driver when CONFIG_TTY is not defined

Okash Khawaja, on sam. 17 juin 2017 10:46:41 +0100, wrote:
> This patch adds definition of tty_open_by_driver when CONFIG_TTY is not
> defined. This was supposed to have been included in commit
> 12e84c71b7d4ee38d51377fd494ac748ee4e6912 ("tty: export
> tty_open_by_driver"). The patch follows convention for other such
> functions and returns NULL.
> 
> Signed-off-by: Okash Khawaja <okash.khawaja@...il.com>
> 
> ---
>  include/linux/tty.h |    3 +++
>  1 file changed, 3 insertions(+)
> 
> --- a/include/linux/tty.h
> +++ b/include/linux/tty.h
> @@ -422,6 +422,9 @@ static inline int __init tty_init(void)
>  { return 0; }
>  static inline const char *tty_name(const struct tty_struct *tty)
>  { return "(none)"; }
> +static struct tty_struct *tty_open_by_driver(dev_t device, struct inode *inode,
> +		struct file *filp)
> +{ return NULL; }

Add inline

Samuel