netdev - Re: [PATCH] selftests: fib_tests: mute cleanup error message

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Date: Wed, 17 May 2023 09:00:37 +0300
From: Ido Schimmel <idosch@...sch.org>
To: Po-Hsu Lin <po-hsu.lin@...onical.com>
Cc: linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
	netdev@...r.kernel.org, dsahern@...il.com, shuah@...nel.org,
	pabeni@...hat.com, kuba@...nel.org, edumazet@...gle.com,
	davem@...emloft.net
Subject: Re: [PATCH] selftests: fib_tests: mute cleanup error message

On Wed, May 17, 2023 at 12:11:19PM +0800, Po-Hsu Lin wrote:
> In the end of the test, there will be an error message induced by the
> `ip netns del ns1` command in cleanup()
> 
>   Tests passed: 201
>   Tests failed:   0
>   Cannot remove namespace file "/run/netns/ns1": No such file or directory
> 
> Redirect the error message to /dev/null to mute it.
> 
> Fixes: a0e11da78f48 ("fib_tests: Add tests for metrics on routes")

I don't think this tag is correct. More likely that this is caused by
commit b60417a9f2b8 ("selftest: fib_tests: Always cleanup before exit").

You can even reproduce it with '-h':

# ./fib_tests.sh -h
usage: fib_tests.sh OPTS
[...]
Cannot remove namespace file "/var/run/netns/ns1": No such file or directory

Reverting the commit I mentioned makes it go away.

Also, please use "PATCH net" prefix:
https://www.kernel.org/doc/html/latest/process/maintainer-netdev.html#tl-dr