From 502ca0b7c1d856a46dbd78e67690c12c47775b97 Mon Sep 17 00:00:00 2001
From: Eneas U de Queiroz <cotequeiroz@gmail.com>
Date: Fri, 22 Nov 2019 09:00:02 -0300
Subject: [PATCH] crypto: qce - update the skcipher IV

Update the IV after the completion of each cipher operation.

Signed-off-by: Eneas U de Queiroz <cotequeiroz@gmail.com>

--- a/drivers/crypto/qce/skcipher.c
+++ b/drivers/crypto/qce/skcipher.c
@@ -29,6 +29,7 @@ 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;
@@ -53,6 +54,7 @@ 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);
 }
 
