From: Thomas Fourier Date: Wed, 3 Sep 2025 08:06:46 +0000 (+0200) Subject: crypto: rockchip - Fix dma_unmap_sg() nents value X-Git-Tag: v6.18-rc1~84^2~27 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=21140e5caf019e4a24e1ceabcaaa16bd693b393f;p=thirdparty%2Fkernel%2Fstable.git crypto: rockchip - Fix dma_unmap_sg() nents value 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: Signed-off-by: Thomas Fourier Signed-off-by: Herbert Xu --- diff --git a/drivers/crypto/rockchip/rk3288_crypto_ahash.c b/drivers/crypto/rockchip/rk3288_crypto_ahash.c index d6928ebe9526d..b9f5a8b42e661 100644 --- a/drivers/crypto/rockchip/rk3288_crypto_ahash.c +++ b/drivers/crypto/rockchip/rk3288_crypto_ahash.c @@ -254,7 +254,7 @@ static void rk_hash_unprepare(struct crypto_engine *engine, void *breq) struct rk_ahash_rctx *rctx = ahash_request_ctx(areq); struct rk_crypto_info *rkc = rctx->dev; - dma_unmap_sg(rkc->dev, areq->src, rctx->nrsg, DMA_TO_DEVICE); + dma_unmap_sg(rkc->dev, areq->src, sg_nents(areq->src), DMA_TO_DEVICE); } static int rk_hash_run(struct crypto_engine *engine, void *breq)