netdev - Re: [patch for 2.6.28? 1/1] b1isa: fix b1isa_exit() to really remove registered capi controllers

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Message-Id: <20081203.205745.127195542.davem@davemloft.net>
Date:	Wed, 03 Dec 2008 20:57:45 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	kkeil@...e.de
Cc:	akpm@...ux-foundation.org, netdev@...r.kernel.org,
	linux-kernel@...enslange-mailadresse.de, calle@...le.de,
	stable@...nel.org
Subject: Re: [patch for 2.6.28? 1/1] b1isa: fix b1isa_exit() to really
 remove registered capi controllers

From: Karsten Keil <kkeil@...e.de>
Date: Tue, 2 Dec 2008 12:49:26 +0100

> On "/etc/init.d/capiutils stop", this oops happened.
> 
> The oops happens on reading /proc/capi/controllers because
> capi_ctrl->procinfo is called for the wrongly not unregistered
> controller, which points to b1isa_procinfo(), which was removed on
> module unload.
> 
> b1isa_exit() did not call b1isa_remove() for its controllers because
> io[0] == 0 on module unload despite having been 0x340 on module load.
> 
> Besides, just removing the controllers that where added on module
> load time and not those that were added later via b1isa_add_card() is
> wrong too - the place where all added cards are found is isa_dev[].
 ...
> Signed-off-by: Wilfried Klaebe <linux-kernel@...enslange-mailadresse.de>
> Cc: <calle@...le.de>
> Cc: <stable@...nel.org> 	[2.6.everything]
> Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
> Acked-by: Karsten Keil <kkeil@...e.de>

Patch applied, thanks.
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