From c1552af53c8d91e7ac839ccde523b7fb7d7133a7 Mon Sep 17 00:00:00 2001
From: David Lehman <dlehman@redhat.com>
Date: Tue, 12 Mar 2013 14:30:11 -0500
Subject: [PATCH 4/5] Allow calls to suggestDeviceName with only a prefix
 argument.

Prior to this fix, you'd end up with a trailing underscore in the name.
---
 blivet/__init__.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/blivet/__init__.py b/blivet/__init__.py
index ccca9f1..c77d39a 100644
--- a/blivet/__init__.py
+++ b/blivet/__init__.py
@@ -1302,7 +1302,7 @@ class Blivet(object):
         elif swap:
             body = "swap"
 
-        if prefix:
+        if prefix and body:
             body = "_" + body
 
         template = self.safeDeviceName(prefix + body)
-- 
1.8.1.4