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| author | Thomas Fourier <fourier.thomas@gmail.com> | 2025-10-20 12:23:42 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-10-29 14:01:24 +0100 |
| commit | 29a4ffac3871a7ef857de2020f87e56e80853af4 (patch) | |
| tree | a67bfc7908aae3721d785c78df13f656b43021f7 | |
| parent | e277dda06130267c3083da3661a60d8498d8deca (diff) | |
| download | linux-29a4ffac3871a7ef857de2020f87e56e80853af4.tar.gz linux-29a4ffac3871a7ef857de2020f87e56e80853af4.tar.bz2 linux-29a4ffac3871a7ef857de2020f87e56e80853af4.zip | |
crypto: rockchip - Fix dma_unmap_sg() nents value
[ Upstream commit 21140e5caf019e4a24e1ceabcaaa16bd693b393f ]
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>
[ removed unused rctx variable declaration since device pointer already came from tctx->dev->dev instead of rctx->dev ]
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/crypto/rockchip/rk3288_crypto_ahash.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/crypto/rockchip/rk3288_crypto_ahash.c b/drivers/crypto/rockchip/rk3288_crypto_ahash.c index edd40e16a3f0..087b7c41c58d 100644 --- a/drivers/crypto/rockchip/rk3288_crypto_ahash.c +++ b/drivers/crypto/rockchip/rk3288_crypto_ahash.c @@ -236,10 +236,9 @@ static int rk_hash_unprepare(struct crypto_engine *engine, void *breq) { struct ahash_request *areq = container_of(breq, struct ahash_request, base); struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq); - struct rk_ahash_rctx *rctx = ahash_request_ctx(areq); struct rk_ahash_ctx *tctx = crypto_ahash_ctx(tfm); - dma_unmap_sg(tctx->dev->dev, areq->src, rctx->nrsg, DMA_TO_DEVICE); + dma_unmap_sg(tctx->dev->dev, areq->src, sg_nents(areq->src), DMA_TO_DEVICE); return 0; } |