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| author | Mogens Lauridsen <mlauridsen171@gmail.com> | 2017-08-03 15:34:12 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2017-08-17 16:53:26 +0800 |
| commit | 1e3204104cf7f608e90bc824523aaa8129ea944a (patch) | |
| tree | 34c83a4b7cc4d70b527482ff503286cd67bfe726 /drivers/crypto | |
| parent | 2d97591ef43d0587be22ad1b0d758d6df4999a0b (diff) | |
| download | linux-stable-1e3204104cf7f608e90bc824523aaa8129ea944a.tar.gz linux-stable-1e3204104cf7f608e90bc824523aaa8129ea944a.tar.bz2 linux-stable-1e3204104cf7f608e90bc824523aaa8129ea944a.zip | |
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>
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/sahara.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/crypto/sahara.c b/drivers/crypto/sahara.c index c2174ec88e2a..474da36bdd2c 100644 --- a/drivers/crypto/sahara.c +++ b/drivers/crypto/sahara.c @@ -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; } |