From: Jakub Kicinski <jakub.kicinski@netronome.com>
To: Prashant Bhole <bhole_prashant_q7@lab.ntt.co.jp>
Cc: Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
"David S . Miller" <davem@davemloft.net>,
Quentin Monnet <quentin.monnet@netronome.com>,
netdev@vger.kernel.org
Subject: Re: [RFC v2 bpf-next 4/5] tools/bpf: bpftool, print strerror when map lookup error occurs
Date: Tue, 2 Oct 2018 10:02:43 -0700 [thread overview]
Message-ID: <20181002100243.740dc5d6@cakuba.netronome.com> (raw)
In-Reply-To: <20181002053519.8000-5-bhole_prashant_q7@lab.ntt.co.jp>
On Tue, 2 Oct 2018 14:35:18 +0900, Prashant Bhole wrote:
> Since map lookup error can be ENOENT or EOPNOTSUPP, let's print
> strerror() as error message in normal and JSON output.
>
> This patch adds helper function print_entry_error() to print
> entry from lookup error occurs
>
> Example: Following example dumps a map which does not support lookup.
>
...
Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Thank you!
next prev parent reply other threads:[~2018-10-02 23:47 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-02 5:35 [RFC v2 bpf-next 0/5] Error handling when map lookup isn't supported Prashant Bhole
2018-10-02 5:35 ` [RFC v2 bpf-next 1/5] bpf: error handling when map_lookup_elem " Prashant Bhole
2018-10-02 5:35 ` [RFC v2 bpf-next 2/5] bpf: return EOPNOTSUPP when map lookup " Prashant Bhole
2018-10-05 0:10 ` Alexei Starovoitov
2018-10-05 0:16 ` Prashant Bhole
2018-10-05 1:45 ` Alexei Starovoitov
2018-10-02 5:35 ` [RFC v2 bpf-next 3/5] tools/bpf: bpftool, split the function do_dump() Prashant Bhole
2018-10-02 17:02 ` Jakub Kicinski
2018-10-02 5:35 ` [RFC v2 bpf-next 4/5] tools/bpf: bpftool, print strerror when map lookup error occurs Prashant Bhole
2018-10-02 17:02 ` Jakub Kicinski [this message]
2018-10-02 5:35 ` [RFC v2 bpf-next 5/5] selftests/bpf: verifier, check bpf_map_lookup_elem access in bpf prog Prashant Bhole
2018-10-05 1:51 ` Alexei Starovoitov
2018-10-05 2:07 ` Prashant Bhole
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