From d51756af3dafa2d09ed8f351a48431333318ba31 Mon Sep 17 00:00:00 2001
From: Lumir Balhar <lbalhar@redhat.com>
Date: Wed, 7 Nov 2018 11:54:43 +0100
Subject: [PATCH] Fix issue when interface has no IPv4 address assigned.

---
 scripts/pifconfig | 19 +++++++++++++------
 1 file changed, 13 insertions(+), 6 deletions(-)
 mode change 100755 => 100644 scripts/pifconfig

diff --git a/scripts/pifconfig b/scripts/pifconfig
old mode 100755
new mode 100644
index d1bcdb4..f2b0707
--- a/scripts/pifconfig
+++ b/scripts/pifconfig
@@ -60,16 +60,23 @@ def flags2str(flags):
 
 
 def show_config(device):
-    ipaddr = ethtool.get_ipaddr(device)
-    netmask = ethtool.get_netmask(device)
+    try:
+        ipaddr = ethtool.get_ipaddr(device)
+        netmask = ethtool.get_netmask(device)
+        broadcast = ethtool.get_broadcast(device)
+    except (IOError, OSError):
+        ipaddr, netmask, broadcast = None, None, None
     flags = ethtool.get_flags(device)
     print('%s' % device)
     if not (flags & ethtool.IFF_LOOPBACK):
         print('\tHWaddr %s' % ethtool.get_hwaddr(device))
-    print('\tinet addr:%s' % ipaddr)
-    if not (flags & (ethtool.IFF_LOOPBACK | ethtool.IFF_POINTOPOINT)):
-        print('\tBcast:%s' % ethtool.get_broadcast(device))
-    print('\tMask:%s' % netmask)
+    if ipaddr is not None:
+        print('\tinet addr:%s' % ipaddr)
+    if broadcast is not None and \
+       not (flags & (ethtool.IFF_LOOPBACK | ethtool.IFF_POINTOPOINT)):
+        print('\tBcast:%s' % broadcast)
+    if netmask is not None:
+        print('\tMask:%s' % netmask)
     for info in ethtool.get_interfaces_info(device):
         for addr in info.get_ipv6_addresses():
             print('\tinet6 addr: %s/%s Scope: %s'
-- 
2.19.1