From a8c730e85e80734412f4f73ab28496a0e8b04a7b Mon Sep 17 00:00:00 2001
From: Jens Axboe <axboe@suse.de>
Date: Fri, 9 Dec 2005 14:42:16 +0100
Subject: [PATCH] [SCSI] fix panic when ejecting ieee1394 ipod

The scsi_library routines don't correctly set DMA_NONE when
req->data_len is zero (instead they check the command type first, so
if it's write, we end up with req->data_len == 0 and direction as
DMA_TO_DEVICE which confuses some drivers)

Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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