From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH v1 1/1] l2tp: Use existing macros instead of literal
 number
Date: Fri, 19 Aug 2016 14:32:02 -0700 (PDT)
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From: fgao@ikuai8.com
Date: Thu, 18 Aug 2016 15:05:19 +0800

> @@ -138,6 +138,8 @@ static const struct ppp_channel_ops pppol2tp_chan_ops = {
>  
>  static const struct proto_ops pppol2tp_ops;
>  
> +static const unsigned char fixed_ppphdr[2] = {PPP_ALLSTATIONS, PPP_UI};
> +
>  /* Helpers to obtain tunnel/session contexts from sockets.
>   */
>  static inline struct l2tp_session *pppol2tp_sock_to_session(struct sock *sk)

Same problem as the pptp patch, I'm not applying this.