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

Signed-off-by: zhong jiang <zhongji...@huawei.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

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