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crypto: amlogic - Fix the parameter of dma_unmap_sg() 

For function dma_unmap_sg(), the <nents> parameter should be number of
elements in the scatterlist prior to the mapping, not after the mapping.
So fix this usage.

Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Xiang Chen 2021-03-16 09:55:23 +08:00 committed by Herbert Xu
parent 00aa6e65aa
commit 5595d0dc1d
1 changed files with 3 additions and 3 deletions
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6
drivers/crypto/amlogic/amlogic-gxl-cipher.c
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@ -236,10 +236,10 @@ static int meson_cipher(struct skcipher_request *areq)
dma_unmap_single(mc->dev, phykeyiv, keyivlen, DMA_TO_DEVICE);
if (areq->src == areq->dst) {
dma_unmap_sg(mc->dev, areq->src, nr_sgs, DMA_BIDIRECTIONAL);
dma_unmap_sg(mc->dev, areq->src, sg_nents(areq->src), DMA_BIDIRECTIONAL);
} else {
dma_unmap_sg(mc->dev, areq->src, nr_sgs, DMA_TO_DEVICE);
dma_unmap_sg(mc->dev, areq->dst, nr_sgd, DMA_FROM_DEVICE);
dma_unmap_sg(mc->dev, areq->src, sg_nents(areq->src), DMA_TO_DEVICE);
dma_unmap_sg(mc->dev, areq->dst, sg_nents(areq->dst), DMA_FROM_DEVICE);
}
if (areq->iv && ivsize > 0) {