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Commit 87cea763 authored by Xuelin Shi's avatar Xuelin Shi Committed by Dan Williams
Browse files

dmaengine: fix xor sources continuation 



the partial xor result must be kept until the next
tx is generated.

Cc: <stable@vger.kernel.org>
Signed-off-by: default avatarXuelin Shi <xuelin.shi@freescale.com>
Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
parent fbeec99a

crypto/async_tx/async_xor.c

+1 −2
Original line number Diff line number Diff line
@@ -78,8 +78,6 @@ do_async_xor(struct dma_chan *chan, struct dmaengine_unmap_data *unmap, 
		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, struct dmaengine_unmap_data *unmap, 
						      xor_src_cnt, unmap->len,

						      dma_flags);

		}

		src_list[0] = tmp;



		dma_set_unmap(tx, unmap);

		async_tx_submit(chan, tx, submit);