From d7ff94d826c70a4655f671e2d45a98635d6dce67 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Sat, 9 Jan 2016 21:25:53 +0530
Subject: [PATCH] ...

---
 src/calibre/utils/ip_routing.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/calibre/utils/ip_routing.py b/src/calibre/utils/ip_routing.py
index 29534d6a01..9c66f79e4a 100644
--- a/src/calibre/utils/ip_routing.py
+++ b/src/calibre/utils/ip_routing.py
@@ -62,7 +62,7 @@ else:
         raw = open('/proc/net/route', 'rb').read().decode('utf-8')
         for line in raw.splitlines():
             parts = line.split()
-            if parts[1] == '00000000':
+            if len(parts) > 1 and parts[1] == '00000000':
                 for addr in get_addresses_for_interface(parts[0]):
                     return addr