The patch below does not apply to the 5.10-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to stable@vger.kernel.org.
To reproduce the conflict and resubmit, you may use the following commands:
git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.10.y git checkout FETCH_HEAD git cherry-pick -x 21140e5caf019e4a24e1ceabcaaa16bd693b393f # <resolve conflicts, build, test, etc.> git commit -s git send-email --to 'stable@vger.kernel.org' --in-reply-to '2025101647-olive-sheet-88ec@gregkh' --subject-prefix 'PATCH 5.10.y' HEAD^..
Possible dependencies:
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
From 21140e5caf019e4a24e1ceabcaaa16bd693b393f Mon Sep 17 00:00:00 2001 From: Thomas Fourier fourier.thomas@gmail.com Date: Wed, 3 Sep 2025 10:06:46 +0200 Subject: [PATCH] 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: stable@vger.kernel.org Signed-off-by: Thomas Fourier fourier.thomas@gmail.com Signed-off-by: Herbert Xu herbert@gondor.apana.org.au
diff --git a/drivers/crypto/rockchip/rk3288_crypto_ahash.c b/drivers/crypto/rockchip/rk3288_crypto_ahash.c index d6928ebe9526..b9f5a8b42e66 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)