Re: [PATCH 1/2] sata: fix sata_sx4 dma_prep to not use sg->length

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To: Tejun Heo <[email protected]>
Subject: Re: [PATCH 1/2] sata: fix sata_sx4 dma_prep to not use sg->length
From: Jeff Garzik <[email protected]>
Date: Wed, 10 Aug 2005 17:24:06 -0400
Cc: [email protected], [email protected], [email protected], Jens Axboe <[email protected]>, Alan Cox <[email protected]>
In-reply-to: <[email protected]>
References: <[email protected]> <[email protected]> <[email protected]>
Sender: [email protected]
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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 <[email protected]>


applied to 2.6.13


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References:
- [RFC][PATCH] libata ATAPI alignment
  - From: Jeff Garzik <[email protected]>
- Re: [RFC][PATCH] libata ATAPI alignment
  - From: Tejun Heo <[email protected]>
- Re: [PATCH 1/2] sata: fix sata_sx4 dma_prep to not use sg->length
  - From: Tejun Heo <[email protected]>

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