| From | Greg Kroah-Hartman <> | Subject | [PATCH 3.16 033/127] dmaengine: fix xor sources continuation | Date | Tue, 28 Oct 2014 11:34:28 +0800 |
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3.16-stable review patch. If anyone has any objections, please let me know.
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From: Xuelin Shi <xuelin.shi@freescale.com>
commit 87cea76384257e6ac3fa4791b6a6b9d0335f7457 upstream.
the partial xor result must be kept until the next tx is generated.
Signed-off-by: Xuelin Shi <xuelin.shi@freescale.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- crypto/async_tx/async_xor.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
--- a/crypto/async_tx/async_xor.c +++ b/crypto/async_tx/async_xor.c @@ -78,8 +78,6 @@ do_async_xor(struct dma_chan *chan, stru tx = dma->device_prep_dma_xor(chan, dma_dest, src_list, xor_src_cnt, unmap->len, dma_flags); - src_list[0] = tmp; - if (unlikely(!tx)) async_tx_quiesce(&submit->depend_tx); @@ -92,6 +90,7 @@ do_async_xor(struct dma_chan *chan, stru xor_src_cnt, unmap->len, dma_flags); } + src_list[0] = tmp; dma_set_unmap(tx, unmap); async_tx_submit(chan, tx, submit);
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