linux-kernel - Re: [PATCH 2/2] tty: vc_screen: make vc

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Message-ID: <68c4b7ee-345f-42e4-a69e-700384b711ad@kernel.org>
Date:   Mon, 9 Oct 2023 07:28:03 +0200
From:   Jiri Slaby <jirislaby@...nel.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-serial@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] tty: vc_screen: make vc_class constant

On 05. 10. 23, 15:33, Greg Kroah-Hartman wrote:
> Now that the driver core allows for struct class to be in read-only
> memory, making all 'class' structures to be declared at build time
> placing them into read-only memory, instead of having to be dynamically
> allocated at load time.
> 
> Cc: Jiri Slaby <jirislaby@...nel.org>
> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> ---
>   drivers/tty/vt/vc_screen.c | 28 ++++++++++++++--------------
>   1 file changed, 14 insertions(+), 14 deletions(-)
> 
> diff --git a/drivers/tty/vt/vc_screen.c b/drivers/tty/vt/vc_screen.c
> index 829c4be66f3b..b16ea517bb17 100644
> --- a/drivers/tty/vt/vc_screen.c
> +++ b/drivers/tty/vt/vc_screen.c
...
> @@ -811,11 +810,12 @@ int __init vcs_init(void)
>   
>   	if (register_chrdev(VCS_MAJOR, "vcs", &vcs_fops))
>   		panic("unable to get major %d for vcs device", VCS_MAJOR);
> -	vc_class = class_create("vc");
> +	if (class_register(&vc_class))
> +		panic("unable to create vc_class");

FWIW it's no longer "create". Now it's "register".

Anyway, for the sake of archives:
Reviewed-by: Jiri Slaby <jirislaby@...nel.org>

regards,
-- 
js
suse labs