From: =?UTF-8?q?Antoine=20T=C3=A9nart?= <antoine.tenart@free-electrons.com>
Date: Thu, 14 Dec 2017 15:26:45 +0100
Subject: crypto: inside-secure - remove useless memset

Git-commit: 60310eae7dc12182e8901a41e0ba885aaac0b542
Patch-mainline: v4.16-rc1
References: fate#326470

This patch removes an useless memset in the ahash_export function, as
the zeroed buffer will be entirely overridden the next line.

Suggested-by: Ofer Heifetz <oferh@marvell.com>
Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@suse.com>
---
 drivers/crypto/inside-secure/safexcel_hash.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/crypto/inside-secure/safexcel_hash.c b/drivers/crypto/inside-secure/safexcel_hash.c
index d4afc070ff58..ac922b91b2d7 100644
--- a/drivers/crypto/inside-secure/safexcel_hash.c
+++ b/drivers/crypto/inside-secure/safexcel_hash.c
@@ -624,7 +624,6 @@ static int safexcel_ahash_export(struct ahash_request *areq, void *out)
 	export->processed = req->processed;
 
 	memcpy(export->state, req->state, req->state_sz);
-	memset(export->cache, 0, crypto_ahash_blocksize(ahash));
 	memcpy(export->cache, req->cache, crypto_ahash_blocksize(ahash));
 
 	return 0;
-- 
2.11.0