netdev - Re: [PATCH net] net/mlx5e: fix csum adjustments caused by RXFCS

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Message-ID: <CANn89iKx7d18v+gG33QyyOPAhVR8bh4t=qRGDaJcM7gTXAOU1w@mail.gmail.com>
Date:   Tue, 30 Oct 2018 11:42:04 -0700
From:   Eric Dumazet <edumazet@...gle.com>
To:     Cong Wang <xiyou.wangcong@...il.com>
Cc:     David Miller <davem@...emloft.net>,
        netdev <netdev@...r.kernel.org>,
        Eric Dumazet <eric.dumazet@...il.com>,
        Eran Ben Elisha <eranbe@...lanox.com>,
        Saeed Mahameed <saeedm@...lanox.com>,
        Dimitris Michailidis <dmichail@...gle.com>,
        Paweł Staszewski <pstaszewski@...are.pl>
Subject: Re: [PATCH net] net/mlx5e: fix csum adjustments caused by RXFCS

On Tue, Oct 30, 2018 at 11:09 AM Cong Wang <xiyou.wangcong@...il.com> wrote:

> At least skb_header_pointer() is marked as __must_check, I don't see
> you check its return value here.

This can not fail here.

skb->length must be above 14+4 at this point.

My compiler seems to be okay with that.