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From:   Eneas U de Queiroz <cotequeiroz@gmail.com>
To:     Herbert Xu <herbert@gondor.apana.org.au>,
        "David S. Miller" <davem@davemloft.net>,
        linux-crypto@vger.kernel.org
Cc:     Eneas U de Queiroz <cotequeiroz@gmail.com>
Subject: [PATCH 4/6] crypto: qce - update the skcipher IV
Date:   Fri, 20 Dec 2019 16:02:16 -0300
Message-Id: <20191220190218.28884-5-cotequeiroz@gmail.com>
In-Reply-To: <20191220190218.28884-1-cotequeiroz@gmail.com>
References: <20191220190218.28884-1-cotequeiroz@gmail.com>
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Sender: linux-crypto-owner@vger.kernel.org
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Update the IV after the completion of each cipher operation.

Signed-off-by: Eneas U de Queiroz <cotequeiroz@gmail.com>
---
 drivers/crypto/qce/skcipher.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/crypto/qce/skcipher.c b/drivers/crypto/qce/skcipher.c
index a9ae356bc2a7..d3852a61cb1d 100644
--- a/drivers/crypto/qce/skcipher.c
+++ b/drivers/crypto/qce/skcipher.c
@@ -21,6 +21,7 @@ static void qce_skcipher_done(void *data)
 	struct qce_cipher_reqctx *rctx = skcipher_request_ctx(req);
 	struct qce_alg_template *tmpl = to_cipher_tmpl(crypto_skcipher_reqtfm(req));
 	struct qce_device *qce = tmpl->qce;
+	struct qce_result_dump *result_buf = qce->dma.result_buf;
 	enum dma_data_direction dir_src, dir_dst;
 	u32 status;
 	int error;
@@ -45,6 +46,7 @@ static void qce_skcipher_done(void *data)
 	if (error < 0)
 		dev_dbg(qce->dev, "skcipher operation error (%x)\n", status);
 
+	memcpy(rctx->iv, result_buf->encr_cntr_iv, rctx->ivsize);
 	qce->async_req_done(tmpl->qce, error);
 }