linux-kernel - Re: 2.6.23-rc6-mm1: atomic counter underflow

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Date:	Thu, 20 Sep 2007 19:27:37 +0200
From:	Mariusz Kozlowski <m.kozlowski@...land.pl>
To:	Cornelia Huck <cornelia.huck@...ibm.com>
Cc:	Pierre Ossman <drzeus-mmc@...eus.cx>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, Greg KH <gregkh@...e.de>
Subject: Re: 2.6.23-rc6-mm1: atomic counter underflow

Hello,

> > -ECONFUSED. Perhaps DEBUG_DRIVER may help some more. Or /me getting
> > some sleep.
> 
> Sleeping helped (improved reading abilities).
> 
> From: Cornelia Huck <cornelia.huck@...ibm.com>
> 
> mmc: Avoid double sdio_unregister_bus() on module unload.
> 
> Signed-off-by: Cornelia Huck <cornelia.huck@...ibm.com>

Ok - I can confirm that this patch fixes the problem.

Thanks,

	Mariusz

> ---
>  drivers/mmc/core/core.c |    1 -
>  1 files changed, 1 deletion(-)
> 
> --- linux-2.6.orig/drivers/mmc/core/core.c
> +++ linux-2.6/drivers/mmc/core/core.c
> @@ -820,7 +820,6 @@ static void __exit mmc_exit(void)
>  {
>  	sdio_unregister_bus();
>  	mmc_unregister_key_type();
> -	sdio_unregister_bus();
>  	mmc_unregister_host_class();
>  	mmc_unregister_bus();
>  	destroy_workqueue(workqueue);
-
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