netdev - Re: [PATCH v2 iproute2-next 00/11] clang warning fixes

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Message-ID: <CA+NMeC8ksPxUbg_2M9=1oKFWAPg_Y8uaVndTCAdC+0xvFRMmFQ@mail.gmail.com>
Date:   Thu, 20 Jan 2022 09:48:43 -0300
From:   Victor Nogueira <victor@...atatu.com>
To:     Jamal Hadi Salim <jhs@...atatu.com>
Cc:     David Ahern <dsahern@...il.com>,
        Stephen Hemminger <stephen@...workplumber.org>,
        netdev@...r.kernel.org, Davide Caratti <dcaratti@...hat.com>,
        Marcelo Ricardo Leitner <marcelo.leitner@...il.com>,
        Vlad Buslov <vladbu@...dia.com>
Subject: Re: [PATCH v2 iproute2-next 00/11] clang warning fixes

Hi,
Sorry for not responding sooner. I patched iproute2 and several
existing tests failed.
Example:
Test 696a: Add simple ct action

All test results:

1..1
not ok 1 696a - Add simple ct action
Could not match regex pattern. Verify command output:
total acts 1

action order 0: ct
zone 0 pipe
index 42 ref 1 bind 0

The problem is the additional new line added.

WIthout this patch:
https://patchwork.kernel.org/project/netdevbpf/patch/20220117175019.13993-6-stephen@networkplumber.org/
it the output of tc actions list action ct is:

total acts 1

action order 0: ct zone 0 pipe
index 42 ref 1 bind 0

With it it is:

total acts 1

action order 0: ct
zone 0 pipe
index 42 ref 1 bind 0

So I believe the problem is just formatting, however it still breaks some tests

cheers,
Victor

On 17 Jan 2022, at 12:29, Jamal Hadi Salim <jhs@...atatu.com> wrote:

On 2022-01-16 18:18, David Ahern wrote:

On 1/11/22 10:54 AM, Stephen Hemminger wrote:

This patch set makes iproute2-next main branch compile without warnings
on Clang 11 (and probably later versions).

Still needs more testing before merge. There are likely to be some
unnecessary output format changes from this.

I think the tc patches are the only likely candidates. The
print_string_name_value conversion should be clean.
Jamal: As I recall you have a test suite for tc. Can you test this set?

We try to push, whenever we can, to kernel tdc tests. The Intel robot
should catch issues based on what we have there. If we make part of the
acceptance process (incumbent on people who create the patches) to
run those tests it would help getting cleaner submissions. Not sure
if we can have a bot doing this..

Punting to Victor(on Cc) to run the tests and double check if we
have test  cases that cover for these changes.

cheers,
jamal