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d1806a5c4d
Make dma_xfer() do DMA unmapping itself and fix handling of failure cases. Cc: David Woodhouse <dwmw2@infradead.org> Cc: Vipin Kumar <vipin.kumar@st.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>