netdev - Re: [PATCH] selftests: pmtu: use -oneline for ip route list cache

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Date:   Fri, 29 Nov 2019 12:30:31 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     cascardo@...onical.com
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-kselftest@...r.kernel.org, shuah@...nel.org,
        sbrivio@...hat.com
Subject: Re: [PATCH] selftests: pmtu: use -oneline for ip route list cache

From: Thadeu Lima de Souza Cascardo <cascardo@...onical.com>
Date: Thu, 28 Nov 2019 15:58:06 -0300

> Some versions of iproute2 will output more than one line per entry, which
> will cause the test to fail, like:
> 
> TEST: ipv6: list and flush cached exceptions                        [FAIL]
>   can't list cached exceptions
> 
> That happens, for example, with iproute2 4.15.0. When using the -oneline
> option, this will work just fine:
> 
> TEST: ipv6: list and flush cached exceptions                        [ OK ]
> 
> This also works just fine with a more recent version of iproute2, like
> 5.4.0.
> 
> For some reason, two lines are printed for the IPv4 test no matter what
> version of iproute2 is used. Use the same -oneline parameter there instead
> of counting the lines twice.
> 
> Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@...onical.com>

Applied with Fixes: tag added and queued up for -stable.

Thanks.