netdev - Re: [PATCH bpf] tools: bpftool: return from do_event

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Message-ID: <7d223b75-59ae-2b8f-ff09-7f800c6228bf@cogentembedded.com>
Date:   Thu, 23 Aug 2018 20:35:09 +0300
From:   Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:     Quentin Monnet <quentin.monnet@...ronome.com>,
        Daniel Borkmann <daniel@...earbox.net>,
        Alexei Starovoitov <ast@...nel.org>
Cc:     Jakub Kicinski <jakub.kicinski@...ronome.com>,
        netdev@...r.kernel.org, oss-drivers@...ronome.com
Subject: Re: [PATCH bpf] tools: bpftool: return from do_event_pipe() on bad
 arguments

Hello!

On 08/23/2018 07:46 PM, Quentin Monnet wrote:

> When command line parsing fails in the while loop in do_event_pipe()
> because the number of arguments is incorrect or because the keyword is
> unknown, an error message is displayed, but bpfool

   bp-who? ;-)

> remains stucked in

   Stuck.

> the loop. Make sure we exit the loop upon failure.
> 
> Fixes: f412eed9dfde ("tools: bpftool: add simple perf event output reader")
> Signed-off-by: Quentin Monnet <quentin.monnet@...ronome.com>
> Reviewed-by: Jakub Kicinski <jakub.kicinski@...ronome.com>
[...]

MBR, Sergei