'-z' is incorrect, use '-ne' instead.
Signed-off-by: Geliang Tang <geliang.tang@suse.com>
---
tools/testing/selftests/net/mptcp/mptcp_join.sh | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh
index ba7025064fb6..ca6e47203455 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_join.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh
@@ -500,7 +500,7 @@ do_transfer()
fi
fi
done
- [ ! -z $port ]; _port="port $port"
+ if [ $port -ne 0 ]; then _port="port $port"; fi
ip netns exec $netns ./pm_nl_ctl set $addr flags $sflags $_port
done
done
--
2.31.1