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Date:   Wed, 26 Aug 2020 15:17:40 -0700
From:   Alexei Starovoitov <>
To:     Alex Gartrell <>
Cc:     Network Development <>,
        bpf <>, Alexei Starovoitov <>,
        Daniel Borkmann <>,
        Kernel Team <>
Subject: Re: [PATCH bpf-next] libbpf: Fix unintentional success return code in bpf_object__load

On Wed, Aug 26, 2020 at 12:56 AM Alex Gartrell <> wrote:
> There are code paths where EINVAL is returned directly without setting
> errno. In that case, errno could be 0, which would mask the
> failure. For example, if a careless programmer set log_level to 10000
> out of laziness, they would have to spend a long time trying to figure
> out why.
> Fixes: 4f33ddb4e3e2 ("libbpf: Propagate EPERM to caller on program load")
> Signed-off-by: Alex Gartrell <>

Applied. Thanks

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