netdev - Re: [PATCH bpf V2 1/2] bpf: devmap adjust uapi for attach bpf program

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Date:   Tue, 9 Jun 2020 07:47:06 -0600
From:   David Ahern <dsahern@...il.com>
To:     Jesper Dangaard Brouer <brouer@...hat.com>, bpf@...r.kernel.org,
        Alexei Starovoitov <alexei.starovoitov@...il.com>
Cc:     netdev@...r.kernel.org, Daniel Borkmann <borkmann@...earbox.net>,
        Andrii Nakryiko <andrii.nakryiko@...il.com>,
        Lorenzo Bianconi <lorenzo@...nel.org>
Subject: Re: [PATCH bpf V2 1/2] bpf: devmap adjust uapi for attach bpf program

On 6/9/20 7:31 AM, Jesper Dangaard Brouer wrote:
> This patch remove the minus-1 checks, and have zero mean feature isn't used.
> 

For consistency this should apply to other XDP fd uses as well -- like
IFLA_XDP_EXPECTED_FD and IFLA_XDP_FD.