From 084ba46fc41c21ba827fd92e61f78def7a6e52ea Mon Sep 17 00:00:00 2001
From: Yang Yingliang <yangyingliang@huawei.com>
Date: Tue, 25 Jul 2023 20:31:47 +0800
Subject: ksmbd: switch to use kmemdup_nul() helper

Use kmemdup_nul() helper instead of open-coding to
simplify the code.

Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
---
 fs/smb/server/asn1.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

(limited to 'fs/smb')

diff --git a/fs/smb/server/asn1.c b/fs/smb/server/asn1.c
index cc6384f79675..4a4b2b03ff33 100644
--- a/fs/smb/server/asn1.c
+++ b/fs/smb/server/asn1.c
@@ -214,12 +214,10 @@ static int ksmbd_neg_token_alloc(void *context, size_t hdrlen,
 {
 	struct ksmbd_conn *conn = context;
 
-	conn->mechToken = kmalloc(vlen + 1, GFP_KERNEL);
+	conn->mechToken = kmemdup_nul(value, vlen, GFP_KERNEL);
 	if (!conn->mechToken)
 		return -ENOMEM;
 
-	memcpy(conn->mechToken, value, vlen);
-	conn->mechToken[vlen] = '\0';
 	return 0;
 }
 
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