linux-kernel - [PATCH 1/3] crypto: marvell: Use kzfree rather than its implementation

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Date:   Wed, 4 Sep 2019 11:01:17 +0800
From:   zhong jiang <zhongjiang@...wei.com>
To:     <davem@...emloft.net>, <herbert@...dor.apana.org.au>,
        <arno@...isbad.org>, <joro@...tes.org>,
        <gregkh@...uxfoundation.org>
CC:     <zhongjiang@...wei.com>, <iommu@...ts.linux-foundation.org>,
        <linux-crypto@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH 1/3] crypto: marvell: Use kzfree rather than its implementation

Use kzfree instead of memset() + kfree().

Signed-off-by: zhong jiang <zhongjiang@...wei.com>
---
 drivers/crypto/marvell/hash.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/crypto/marvell/hash.c b/drivers/crypto/marvell/hash.c
index 0f0ac85..a2b35fb 100644
--- a/drivers/crypto/marvell/hash.c
+++ b/drivers/crypto/marvell/hash.c
@@ -1148,8 +1148,7 @@ static int mv_cesa_ahmac_pad_init(struct ahash_request *req,
 		}
 
 		/* Set the memory region to 0 to avoid any leak. */
-		memset(keydup, 0, keylen);
-		kfree(keydup);
+		kzfree(keydup);
 
 		if (ret)
 			return ret;
-- 
1.7.12.4