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Mon, 19 May 2025 08:14:28 -0700 (PDT) From: Ovidiu Panait To: clabbe.montjoie@gmail.com, herbert@gondor.apana.org.au, davem@davemloft.net, linux-crypto@vger.kernel.org Cc: wens@csie.org, jernej.skrabec@gmail.com, samuel@sholland.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, Ovidiu Panait Subject: [PATCH 1/3] crypto: sun8i-ce - fix nents passed to dma_unmap_sg() Date: Mon, 19 May 2025 18:13:48 +0300 Message-ID: <20250519151350.3442981-1-ovidiu.panait.oss@gmail.com> X-Mailer: git-send-email 2.48.1 Precedence: bulk X-Mailing-List: linux-sunxi@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Status: O In sun8i_ce_cipher_unprepare(), dma_unmap_sg() is incorrectly called with the number of entries returned by dma_map_sg(), rather than using the original number of entries passed when mapping the scatterlist. To fix this, stash the original number of entries passed to dma_map_sg() in the request context. Fixes: 0605fa0f7826 ("crypto: sun8i-ce - split into prepare/run/unprepare") Signed-off-by: Ovidiu Panait --- drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c index f9cf00d690e2..7cd3b13f3bdc 100644 --- a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c +++ b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c @@ -278,8 +278,8 @@ static int sun8i_ce_cipher_prepare(struct crypto_engine *engine, void *async_req } chan->timeout = areq->cryptlen; - rctx->nr_sgs = nr_sgs; - rctx->nr_sgd = nr_sgd; + rctx->nr_sgs = ns; + rctx->nr_sgd = nd; return 0; theend_sgs: