crypto: rockchip - Fix dma_unmap_sg() nents value

Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

kernel os linux

The dma_unmap_sg() functions should be called with the same nents as the
dma_map_sg(), not the value the map function returned.

Fixes: 57d67c6e8219 ("crypto: rockchip - rework by using crypto_engine")
Cc: <stable@vger.kernel.org>
Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

authored by

Thomas Fourier and committed by

Herbert Xu 7 months ago 21140e5c 27d5a2d1

+1 -1

1 changed file

expand all

drivers

crypto

rockchip

rk3288_crypto_ahash.c

+1 -1

drivers/crypto/rockchip/rk3288_crypto_ahash.c

··· 254 254 struct rk_ahash_rctx *rctx = ahash_request_ctx(areq); 255 255 struct rk_crypto_info *rkc = rctx->dev; 256 256 257 - dma_unmap_sg(rkc->dev, areq->src, rctx->nrsg, DMA_TO_DEVICE); 257 + dma_unmap_sg(rkc->dev, areq->src, sg_nents(areq->src), DMA_TO_DEVICE); 258 258 } 259 259 260 260 static int rk_hash_run(struct crypto_engine *engine, void *breq)