Re: [PATCH bpf-next v3 1/2] bpf: Change error code when ops is NULL

To: Daniel Borkmann <daniel@xxxxxxxxxxxxx>, <ast@xxxxxxxxxx>, <kafai@xxxxxx>, <songliubraving@xxxxxx>, <yhs@xxxxxx>, <andriin@xxxxxx>, <john.fastabend@xxxxxxxxx>, <kpsingh@xxxxxxxxxxxx>, <andrii.nakryiko@xxxxxxxxx>, <dan.carpenter@xxxxxxxxxx>
Subject: Re: [PATCH bpf-next v3 1/2] bpf: Change error code when ops is NULL
From: maowenan <maowenan@xxxxxxxxxx>
Date: Tue, 28 Apr 2020 14:58:42 +0800
Cc: <netdev@xxxxxxxxxxxxxxx>, <bpf@xxxxxxxxxxxxxxx>, <kernel-janitors@xxxxxxxxxxxxxxx>
In-reply-to: <6f975e8c-34f5-4bcb-d99d-d1977866bedf@iogearbox.net>
References: <20200426063635.130680-1-maowenan@huawei.com> <20200426063635.130680-2-maowenan@huawei.com> <6f975e8c-34f5-4bcb-d99d-d1977866bedf@iogearbox.net>
User-agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.3.0

On 2020/4/28 5:37, Daniel Borkmann wrote:
> bpftool feature probe kernel | grep sockmap
ok, thanks.

References:
- [PATCH bpf-next v3 0/2] Change return code if failed to load
  - From: Mao Wenan
- [PATCH bpf-next v3 1/2] bpf: Change error code when ops is NULL
  - From: Mao Wenan
- Re: [PATCH bpf-next v3 1/2] bpf: Change error code when ops is NULL
  - From: Daniel Borkmann