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Date:   Wed, 29 May 2019 12:59:59 +0000
From:   Michal Rostecki <mrostecki@opensuse.org>
To:     Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Cc:     Michal Rostecki <mrostecki@opensuse.org>,
        Alexei Starovoitov <ast@kernel.org>,
        Daniel Borkmann <daniel@iogearbox.net>,
        Martin KaFai Lau <kafai@fb.com>,
        Song Liu <songliubraving@fb.com>, Yonghong Song <yhs@fb.com>,
        netdev@vger.kernel.org, bpf@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH bpf] libbpf: Return btf_fd in libbpf__probe_raw_btf
Message-ID: <20190529125959.GA31842@wotan.suse.de>
References: <20190529082941.9440-1-mrostecki@opensuse.org>
 <e28170e1-cf06-87ef-812b-9b9e6185d925@cogentembedded.com>
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On Wed, May 29, 2019 at 12:53:42PM +0300, Sergei Shtylyov wrote:
> Hello!
> 
> On 29.05.2019 11:29, Michal Rostecki wrote:
> 
> > Function load_sk_storage_btf expects that libbpf__probe_raw_btf is
> > returning a btf descriptor, but before this change it was returning
> > an information about whether the probe was successful (0 or 1).
> > load_sk_storage_btf was using that value as an argument to the close
> > function, which was resulting in closing stdout and thus terminating the
> > process which used that dunction.
> 
>    Function? :-)

Opps! I will fix in v2. Thanks!