From c1c214adcb56d36433480c8fedf772498e7e539c Mon Sep 17 00:00:00 2001
From: Zhang Zhijie <zhangzj@rock-chips.com>
Date: Wed, 13 Feb 2019 16:24:39 +0800
Subject: crypto: rockchip - update new iv to device in multiple operations

For chain mode in cipher(eg. AES-CBC/DES-CBC), the iv is continuously
updated in the operation. The new iv value should be written to device
register by software.

Reported-by: Eric Biggers <ebiggers@google.com>
Fixes: 433cd2c617bf ("crypto: rockchip - add crypto driver for rk3288")
Cc: <stable@vger.kernel.org> # v4.5+
Signed-off-by: Zhang Zhijie <zhangzj@rock-chips.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 drivers/crypto/rockchip/rk3288_crypto.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'drivers/crypto/rockchip/rk3288_crypto.h')

diff --git a/drivers/crypto/rockchip/rk3288_crypto.h b/drivers/crypto/rockchip/rk3288_crypto.h
index 417c445d8dea..54ee5b3ed9db 100644
--- a/drivers/crypto/rockchip/rk3288_crypto.h
+++ b/drivers/crypto/rockchip/rk3288_crypto.h
@@ -245,6 +245,7 @@ struct rk_cipher_ctx {
 	struct rk_crypto_info		*dev;
 	unsigned int			keylen;
 	u32				mode;
+	u8				iv[AES_BLOCK_SIZE];
 };
 
 enum alg_type {
-- 
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