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Mon, 19 May 2025 08:14:29 -0700 (PDT) Received: from localhost.localdomain ([2a02:2f07:610b:a400:6472:d2f9:d536:4c30]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-ad52d04b08bsm608522566b.13.2025.05.19.08.14.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); 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 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250519_081431_734310_9F5DD037 X-CRM114-Status: GOOD ( 12.61 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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: -- 2.48.1