linux-kernel - Re: [libata-dev #upstream-fixes] pata_legacy: don't call ata_host

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Date:	Fri, 15 Feb 2008 13:52:06 -0500
From:	Jeff Garzik <jeff@...zik.org>
To:	Tejun Heo <htejun@...il.com>
CC:	Ingo Molnar <mingo@...e.hu>,
	Arjan van de Ven <arjan@...radead.org>,
	linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Mark Lord <mlord@...ox.com>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	IDE/ATA development list <linux-ide@...r.kernel.org>
Subject: Re: [libata-dev #upstream-fixes] pata_legacy: don't call ata_host_detach()
 after initialization failure

Tejun Heo wrote:
> ata_host_detach() detaches an attached port and shouldn't be called on
> a port which hasn't been attached yet.  pata_legacy incorrectly calls
> ata_host_detach() on unattached port after initialization failure
> causing oops.  Fix it.
> 
> Signed-off-by: Tejun Heo <htejun@...il.com>
> Cc: Alan Cox <alan@...rguk.ukuu.org.uk>
> Cc: Ingo Molnar <mingo@...e.hu>
> Cc: Arjan van de Ven <arjan@...radead.org>
> ---
>  drivers/ata/pata_legacy.c |    2 --
>  1 file changed, 2 deletions(-)

applied


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