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When DMA error occurs. it's loop hang since it can't exit the loop. and it's the right DMA handling code as Spec. Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>