linux-kernel - Re: refcounting problems with ibm

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Date:	Tue, 7 Aug 2007 13:20:09 +0200
From:	Pavel Machek <pavel@....cz>
To:	borislav@...rs.sf.net, hmh@....eng.br,
	kernel list <linux-kernel@...r.kernel.org>
Subject: Re: refcounting problems with ibm_acpi but acpi=off

Hi!

> I get this nastyness in syslog if I compile ibm_acpi into kernel, then
> boot with acpi=off.

> Perhaps this is needed?

Indeed the patch fixes it. Signed-off-by: Pavel Machek <pavel@...e.cz>

> 
> diff --git a/drivers/acpi/ibm_acpi.c b/drivers/acpi/ibm_acpi.c
> index a664f2b..654a124 100644
> --- a/drivers/acpi/ibm_acpi.c
> +++ b/drivers/acpi/ibm_acpi.c
> @@ -2695,6 +2695,9 @@ static void acpi_ibm_exit(void)
>  {
>  	int i;
>  
> +	if (acpi_disabled)
> +		return;
> +
>  	for (i = ARRAY_SIZE(ibms) - 1; i >= 0; i--)
>  		ibm_exit(&ibms[i]);
>  
> 

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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