netdev - Re: [PATCH bpf-next 2/2] libbpf: Return err if bpf_object_

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Message-ID: <CAEf4BzaNZe63WxPrv0kAq-VjdoC8gOfrsmNLYBuK6nBu1Wh8kA@mail.gmail.com>
Date:   Wed, 22 Apr 2020 16:27:05 -0700
From:   Andrii Nakryiko <andrii.nakryiko@...il.com>
To:     Mao Wenan <maowenan@...wei.com>
Cc:     Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Martin Lau <kafai@...com>, Song Liu <songliubraving@...com>,
        Yonghong Song <yhs@...com>, Andrii Nakryiko <andriin@...com>,
        john fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...omium.org>,
        Networking <netdev@...r.kernel.org>, bpf <bpf@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: Re: [PATCH bpf-next 2/2] libbpf: Return err if bpf_object__load failed

On Wed, Apr 22, 2020 at 1:30 AM Mao Wenan <maowenan@...wei.com> wrote:
>
> bpf_object__load() has various return code, when
> it failed to load object, it must return err instead
> of return -EINVAL.
>
> Signed-off-by: Mao Wenan <maowenan@...wei.com>
> ---

This patch looks good. The other one in this series - not so sure..

Acked-by: Andrii Nakryiko <andriin@...com>

>  tools/lib/bpf/libbpf.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
> index 8f480e29a6b0..8e1dc6980fac 100644
> --- a/tools/lib/bpf/libbpf.c
> +++ b/tools/lib/bpf/libbpf.c
> @@ -7006,7 +7006,7 @@ int bpf_prog_load_xattr(const struct bpf_prog_load_attr *attr,
>         err = bpf_object__load(obj);
>         if (err) {
>                 bpf_object__close(obj);
> -               return -EINVAL;
> +               return err;
>         }
>
>         *pobj = obj;
> --
> 2.20.1
>