From b8c01d259a08d75c5049b2bd5f579648262c30a4 Mon Sep 17 00:00:00 2001
From: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Date: Tue, 10 Dec 2013 09:32:37 -0300
Subject: [PATCH] dma: mv_xor: Add DMA API error checks

This commit adds proper error checking for various DMA API calls,
as reported by DMA_API_DEBUG=y.

Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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