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Date: Wed, 10 Aug 2005 17:24:06 -0400
From: Jeff Garzik <jgarzik@pobox.com>
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To: Tejun Heo <htejun@gmail.com>
CC: linux-ide@vger.kernel.org, linux-scsi@vger.kernel.org,
       linux-kernel@vger.kernel.org, Jens Axboe <axboe@suse.de>,
       Alan Cox <alan@lxorguk.ukuu.org.uk>
Subject: Re: [PATCH 1/2] sata: fix sata_sx4 dma_prep to not use sg->length
References: <20050729050654.GA10413@havoc.gtf.org> <20050807054850.GA13335@htj.dyndns.org> <20050807055340.GB13335@htj.dyndns.org>
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Tejun Heo wrote:
>  sata_sx4 directly references sg->length to calculate total_len in
> pdc20621_dma_prep().  This is incorrect as dma_map_sg() could have
> merged multiple sg's into one and, in such case, sg->length doesn't
> reflect true size of the entry.  This patch makes it use
> sg_dma_len(sg).
> 
> 
> Signed-off-by: Tejun Heo <htejun@gmail.com>

applied to 2.6.13