From ad25ae85cb8ae2922bb8faf97554f14bd4a578fa Mon Sep 17 00:00:00 2001
From: Will Woods <wwoods@redhat.com>
Date: Tue, 30 Aug 2011 13:10:13 -0400
Subject: [PATCH] mkefiboot: clarify construction of dm partition dev

---
 src/sbin/mkefiboot | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/sbin/mkefiboot b/src/sbin/mkefiboot
index 0a7ef22f..d1d33f40 100755
--- a/src/sbin/mkefiboot
+++ b/src/sbin/mkefiboot
@@ -36,8 +36,9 @@ def mkefidisk(efiboot, outfile):
             "unit", "b",
             "mkpart", "'EFI System Partition'", "fat32", "17408", str(partsize),
             "set", "1", "boot", "on"], stdout=PIPE, stderr=PIPE)
+            partdev = "/dev/mapper/{0}p1".format(dmdev)
             with open(efiboot, "rb") as infile:
-                with open("/dev/mapper/%sp1" % dmdev, "wb") as outfile:
+                with open(partdev, "wb") as outfile:
                     outfile.write(infile.read())
             dm_detach(dmdev+"p1")