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From:   zhong jiang <zhongjiang@huawei.com>
To:     <davem@davemloft.net>, <anna.schumaker@netapp.com>,
        <trond.myklebust@hammerspace.com>
CC:     <zhongjiang@huawei.com>, <netdev@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>
Subject: [PATCH 2/3] sunrpc: Use kzfree rather than its implementation.
Date:   Wed, 4 Sep 2019 10:39:11 +0800
Message-ID: <1567564752-6430-3-git-send-email-zhongjiang@huawei.com>
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Use kzfree instead of memset() + kfree().

Signed-off-by: zhong jiang <zhongjiang@huawei.com>
---
 net/sunrpc/auth_gss/gss_krb5_keys.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/net/sunrpc/auth_gss/gss_krb5_keys.c b/net/sunrpc/auth_gss/gss_krb5_keys.c
index 550fdf1..3b7f721 100644
--- a/net/sunrpc/auth_gss/gss_krb5_keys.c
+++ b/net/sunrpc/auth_gss/gss_krb5_keys.c
@@ -228,14 +228,11 @@ u32 krb5_derive_key(const struct gss_krb5_enctype *gk5e,
 	ret = 0;
 
 err_free_raw:
-	memset(rawkey, 0, keybytes);
-	kfree(rawkey);
+	kzfree(rawkey);
 err_free_out:
-	memset(outblockdata, 0, blocksize);
-	kfree(outblockdata);
+	kzfree(outblockdata);
 err_free_in:
-	memset(inblockdata, 0, blocksize);
-	kfree(inblockdata);
+	kzfree(inblockdata);
 err_free_cipher:
 	crypto_free_sync_skcipher(cipher);
 err_return:
-- 
1.7.12.4