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

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Subject: Re: [PATCH bpf] xdp: check device pointer before clearing
From: "Jonathan Lemon" <jlemon@xxxxxxxxxxxxx>
Date: Mon, 10 Jun 2019 13:56:49 -0700
Cc: netdev@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, bpf@xxxxxxxxxxxxxxx, xdp-newbies@xxxxxxxxxxxxxxx, "David S. Miller" <davem@xxxxxxxxxxxxx>, "Björn Töpel" <bjorn.topel@xxxxxxxxx>, "Magnus Karlsson" <magnus.karlsson@xxxxxxxxx>
In-reply-to: <20190607172732.4710-1-i.maximets@samsung.com>

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 andzero-copy on one queue id")
Signed-off-by: Ilya Maximets <i.maximets@xxxxxxxxxxx>

Acked-by: Jonathan Lemon <jonathan.lemon@xxxxxxxxx>

References:
- [PATCH bpf] xdp: check device pointer before clearing
  - From: Ilya Maximets

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