linux-kernel - Re: [PATCH printk v2 18/38] usb: early: xhci-dbc: use console_is

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Date:   Fri, 21 Oct 2022 16:27:27 +0200
From:   Petr Mladek <pmladek@...e.com>
To:     John Ogness <john.ogness@...utronix.de>
Cc:     Sergey Senozhatsky <senozhatsky@...omium.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Mike Rapoport <rppt@...nel.org>,
        Mathias Nyman <mathias.nyman@...ux.intel.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        linux-usb@...r.kernel.org
Subject: Re: [PATCH printk v2 18/38] usb: early: xhci-dbc: use
 console_is_enabled()

On Wed 2022-10-19 17:01:40, John Ogness wrote:
> Replace (console->flags & CON_ENABLED) usage with console_is_enabled().
> 
> Signed-off-by: John Ogness <john.ogness@...utronix.de>
> ---
>  drivers/usb/early/xhci-dbc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/usb/early/xhci-dbc.c b/drivers/usb/early/xhci-dbc.c
> index bfb7e2b85299..b1a9c393160b 100644
> --- a/drivers/usb/early/xhci-dbc.c
> +++ b/drivers/usb/early/xhci-dbc.c
> @@ -927,7 +927,7 @@ void __init early_xdbc_register_console(void)
>  
>  static void xdbc_unregister_console(void)
>  {
> -	if (early_xdbc_console.flags & CON_ENABLED)
> +	if (console_is_enabled(&early_xdbc_console))
>  		unregister_console(&early_xdbc_console);
>  }

Again, we should rather check here if the console is in console_list.

But it is old bug. It might be fixed later. The patch does not change
the existing behavior. Feel free to use:

Reviewed-by: Petr Mladek <pmladek@...e.com>

Best Regards,
Petr