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From: John Ogness <john.ogness@linutronix.de>
To: Petr Mladek <pmladek@suse.com>
Cc: Sergey Senozhatsky <senozhatsky@chromium.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	Marcos Paulo de Souza <mpdesouza@suse.com>,
	Chris Down <chris@chrisdown.name>,
	Naveen Kumar Chaudhary <naveen.osdev@gmail.com>,
	linux-kernel@vger.kernel.org, Petr Mladek <pmladek@suse.com>,
	Sashiko <sashiko-bot@kernel.org>
Subject: Re: [PATCH v4 06/11] console/braille: Lock console->setup() call during the registration
Date: Wed, 15 Jul 2026 16:47:10 +0206	[thread overview]
Message-ID: <87tsq0wc1l.fsf@jogness.linutronix.de> (raw)
In-Reply-To: <20260604101459.393162-7-pmladek@suse.com>

On 2026-06-04, Petr Mladek <pmladek@suse.com> wrote:
> diff --git a/drivers/accessibility/braille/braille_console.c b/drivers/accessibility/braille/braille_console.c
> index 7b324329882f..9ed3abffb687 100644
> --- a/drivers/accessibility/braille/braille_console.c
> +++ b/drivers/accessibility/braille/braille_console.c
> @@ -356,7 +356,9 @@ int braille_register_console(struct console *console, int index,
>  	if (braille_co)
>  		return -ENODEV;
>  	if (console->setup) {
> +		console_lock();
>  		ret = console->setup(console, console_options);
> +		console_unlock();
>  		if (ret != 0)
>  			return ret;
>  	}

This block is open coding an existing helper that was created for
exactly this purpose. The code could look like:

	ret = console_call_setup(console, console_options);
	if (ret != 0)
		return ret;

...if console_call_setup() was (for example) a static inline in
console.h.

For this patch as-is:

Acked-by: John Ogness <john.ogness@linutronix.de>

  reply	other threads:[~2026-07-15 14:41 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-04 10:14 [PATCH v4 00/11] printk: Clean up preferred console handling Petr Mladek
2026-06-04 10:14 ` [PATCH v4 01/11] printk: Handle pre-enabled consoles in the top-level register_console() Petr Mladek
2026-07-14 13:33   ` John Ogness
2026-07-15 14:43     ` Petr Mladek
2026-07-17  9:47   ` Petr Mladek
2026-06-04 10:14 ` [PATCH v4 02/11] printk: Rename struct console_cmdline to preferred_console Petr Mladek
2026-06-04 10:14 ` [PATCH v4 03/11] printk: Rename preferred_console to preferred_dev_console Petr Mladek
2026-06-04 10:14 ` [PATCH v4 04/11] printk: Separate code for adding/updating preferred console metadata Petr Mladek
2026-07-14 14:35   ` John Ogness
2026-07-15 15:52     ` Petr Mladek
2026-06-04 10:14 ` [PATCH v4 05/11] printk: Cleanup _braille_(un)register_console() wrappers Petr Mladek
2026-06-04 10:14 ` [PATCH v4 06/11] console/braille: Lock console->setup() call during the registration Petr Mladek
2026-07-15 14:41   ` John Ogness [this message]
2026-06-04 10:14 ` [PATCH v4 07/11] printk: Separate code for enabling console Petr Mladek
2026-07-15 16:01   ` John Ogness
2026-06-04 10:14 ` [PATCH v4 08/11] printk: Try to register each console as Braille first Petr Mladek
2026-06-04 10:14 ` [PATCH v4 09/11] printk: Do not set Braille console as preferred_console Petr Mladek
2026-06-04 10:14 ` [PATCH v4 10/11] printk: Modify try_enable_default_console() to return error/success Petr Mladek
2026-06-04 10:14 ` [PATCH v4 11/11] printk: Try enable preferred consoles only when there are any Petr Mladek
2026-07-14  8:42 ` [PATCH v4 00/11] printk: Clean up preferred console handling Petr Mladek

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