5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Yang Yingliang <yangyingliang@xxxxxxxxxx> [ Upstream commit 084ba46fc41c21ba827fd92e61f78def7a6e52ea ] Use kmemdup_nul() helper instead of open-coding to simplify the code. Acked-by: Namjae Jeon <linkinjeon@xxxxxxxxxx> Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx> Signed-off-by: Steve French <stfrench@xxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- fs/ksmbd/asn1.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) --- a/fs/ksmbd/asn1.c +++ b/fs/ksmbd/asn1.c @@ -214,12 +214,10 @@ static int ksmbd_neg_token_alloc(void *c { 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; }