From 4076e755dbec078c85352a8f77cec4c10181da4e Mon Sep 17 00:00:00 2001
From: Dan Williams <dan.j.williams@intel.com>
Date: Wed, 6 Nov 2013 16:30:10 -0800
Subject: [PATCH] dmatest: convert to dmaengine_unmap_data

Remove the open coded unmap and add coverage for this core functionality
to dmatest.

Also fixes up a couple places where we leaked dma mappings.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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