From 6af33964dd7adbfe1f4dc67681556965b1e8635b Mon Sep 17 00:00:00 2001
From: Federico Ressi <fressi@redhat.com>
Date: Mon, 3 Dec 2018 15:36:42 +0100
Subject: [PATCH] Check ip_address in ping_ip_address function.

Change-Id: I234ff0f3717af1f7fd2ec47f799f2a580459daf9
---
 tobiko/common/utils/network.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tobiko/common/utils/network.py b/tobiko/common/utils/network.py
index f7c278525..b36ea886f 100644
--- a/tobiko/common/utils/network.py
+++ b/tobiko/common/utils/network.py
@@ -93,6 +93,8 @@ def get_packet_loss(ip):
 
 def ping_ip_address(ip_address, should_succeed=True,
                     ping_timeout=None, mtu=None, fragmentation=True):
+    if not ip_address:
+        raise ValueError("Invalid IP address: {!r}".format(ip_address))
 
     timeout = ping_timeout or 10
     cmd = ['ping', '-c1', '-w1']