linux-kernel - Re: [PATCH bpf] xdp: check device pointer before clearing

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Message-ID: <76A4186A-5495-4003-A494-7DE0B15EFB1A@flugsvamp.com>
Date:   Mon, 10 Jun 2019 13:56:49 -0700
From:   "Jonathan Lemon" <jlemon@...gsvamp.com>
To:     "Ilya Maximets" <i.maximets@...sung.com>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        bpf@...r.kernel.org, xdp-newbies@...r.kernel.org,
        "David S. Miller" <davem@...emloft.net>,
        "Björn Töpel" <bjorn.topel@...el.com>,
        "Magnus Karlsson" <magnus.karlsson@...el.com>
Subject: Re: [PATCH bpf] xdp: check device pointer before clearing

On 7 Jun 2019, at 10:27, Ilya Maximets wrote:

> We should not call 'ndo_bpf()' or 'dev_put()' with NULL argument.
>
> Fixes: c9b47cc1fabc ("xsk: fix bug when trying to use both copy and 
> zero-copy on one queue id")
> Signed-off-by: Ilya Maximets <i.maximets@...sung.com>
Acked-by: Jonathan Lemon <jonathan.lemon@...il.com>