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crypto: sahara - Fix dma unmap direction 

The direction used in dma_unmap_sg in aes calc is wrong.
This result in the cache not being invalidated correct when aes
calculation is done and result has been dma'ed to memory.
This is seen as sporadic wrong result from aes calc.

Signed-off-by: Mogens Lauridsen <mlauridsen171@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Mogens Lauridsen 2017-08-03 15:34:12 +02:00 committed by Herbert Xu
parent 2d97591ef4
commit 1e3204104c
1 changed files with 4 additions and 4 deletions
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8
drivers/crypto/sahara.c
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@ -543,10 +543,10 @@ static int sahara_hw_descriptor_create(struct sahara_dev *dev)
unmap_out:
dma_unmap_sg(dev->device, dev->out_sg, dev->nb_out_sg,
DMA_TO_DEVICE);
DMA_FROM_DEVICE);
unmap_in:
dma_unmap_sg(dev->device, dev->in_sg, dev->nb_in_sg,
DMA_FROM_DEVICE);
DMA_TO_DEVICE);
return -EINVAL;
}
@ -594,9 +594,9 @@ static int sahara_aes_process(struct ablkcipher_request *req)
}
dma_unmap_sg(dev->device, dev->out_sg, dev->nb_out_sg,
DMA_TO_DEVICE);
dma_unmap_sg(dev->device, dev->in_sg, dev->nb_in_sg,
DMA_FROM_DEVICE);
dma_unmap_sg(dev->device, dev->in_sg, dev->nb_in_sg,
DMA_TO_DEVICE);
return 0;
}