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Date:   Fri, 4 Sep 2020 15:26:18 +0200
From:   Willem de Bruijn <willemdebruijn.kernel@...il.com>
To:     Wang Hai <wanghai38@...wei.com>
Cc:     David Miller <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        John Ogness <john.ogness@...utronix.de>,
        Mao Wenan <maowenan@...wei.com>, jrosen@...co.com,
        Arnd Bergmann <arnd@...db.de>,
        Colin King <colin.king@...onical.com>,
        Eric Dumazet <edumazet@...gle.com>,
        Network Development <netdev@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH net-next] net/packet: Remove unused macro BLOCK_PRIV

On Fri, Sep 4, 2020 at 3:09 PM Wang Hai <wanghai38@...wei.com> wrote:
>
> BPDU_TYPE_TCN is never used after it was introduced.
> So better to remove it.

This comment does not cover the patch contents. Otherwise the patch
looks good to me.

> Reported-by: Hulk Robot <hulkci@...wei.com>
> Signed-off-by: Wang Hai <wanghai38@...wei.com>
> ---
>  net/packet/af_packet.c | 1 -
>  1 file changed, 1 deletion(-)
>
> diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
> index da8254e680f9..c430672c6a67 100644
> --- a/net/packet/af_packet.c
> +++ b/net/packet/af_packet.c
> @@ -177,7 +177,6 @@ static int packet_set_ring(struct sock *sk, union tpacket_req_u *req_u,
>  #define BLOCK_LEN(x)           ((x)->hdr.bh1.blk_len)
>  #define BLOCK_SNUM(x)          ((x)->hdr.bh1.seq_num)
>  #define BLOCK_O2PRIV(x)        ((x)->offset_to_priv)
> -#define BLOCK_PRIV(x)          ((void *)((char *)(x) + BLOCK_O2PRIV(x)))
>
>  struct packet_sock;
>  static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev,
> --
> 2.17.1
>

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