linux-kernel - Re: [PATCH] libata: clear drvdata in ata_host

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Date:	Thu, 01 Mar 2007 20:16:46 -0500
From:	Jeff Garzik <jeff@...zik.org>
To:	Tejun Heo <htejun@...il.com>
CC:	Alan Cox <alan@...rguk.ukuu.org.uk>, linux-ide@...r.kernel.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Komuro <komurojun-mbn@...ty.com>
Subject: Re: [PATCH] libata: clear drvdata in ata_host_release(), take#2

Tejun Heo wrote:
> Clearing drvdata in ->remove_one causes NULL pointer deference.  Clear
> drvdata only in ata_host_release() after all resources are freed.
> 
> Signed-off-by: Tejun Heo <htejun@...il.com>
> ---
> pata_pcmcia is fixed by Alan's patch.  This fixes other drivers and
> make libata always clear drvdata after detach.

applied


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