From 35fa4dbc8c877c69144736cfe144a95a1e7ccc1a Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Date: Mon, 5 Nov 2012 10:00:12 +0000
Subject: [PATCH] async_tx: add missing DMA unmap to async_memcpy()

Do DMA unmap on ->device_prep_dma_memcpy failure.

Cc: Dan Williams <djbw@fb.com>
Cc: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Dan Williams <djbw@fb.com>
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