[PATCH 1/2] crypto: ccree: use the full crypt length value

[Gilad Ben-Yossef]

In case of AEAD decryption verifcation error we were using the
wrong value to zero out the plaintext buffer leaving the end of
the buffer with the false plaintext.

Signed-off-by: Gilad Ben-Yossef <gi...@benyossef.com>
Fixes: ff27e85a85bb ("crypto: ccree - add AEAD support")
CC: sta...@vger.kernel.org # v4.17+
---
 drivers/crypto/ccree/cc_aead.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/crypto/ccree/cc_aead.c b/drivers/crypto/ccree/cc_aead.c
index 19abb872329c..8a6c825d40e8 100644
--- a/drivers/crypto/ccree/cc_aead.c
+++ b/drivers/crypto/ccree/cc_aead.c
@@ -268,7 +268,7 @@ static void cc_aead_complete(struct device *dev, void 
*cc_req, int err)
                        /* In case of payload authentication failure, MUST NOT
                         * revealed the decrypted message --> zero its memory.
                         */
-                       cc_zero_sgl(areq->dst, areq_ctx->cryptlen);
+                       cc_zero_sgl(areq->dst, areq->cryptlen);
                        err = -EBADMSG;
                }
        /*ENCRYPT*/
-- 
2.21.0