selftest: txtimestamp: fix net ns entry logic
According to 'man 8 ip-netns', if `ip netns identify` returns an empty string, there's no net namespace associated with current PID: fix the net ns entrance logic. Signed-off-by:Paolo Pisati <paolo.pisati@canonical.com> Acked-by:
Willem de Bruijn <willemb@google.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
parent
785ed9c3
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