[Xen-changelog] [xen-unstable] pygrub: fix attribute error when not found parser

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1260966057 0
# Node ID f9998fedea78fb8a263a5eae8c747c76ed2fee99
# Parent  d7403d17d03a98eb744193b817460350a91c45ba
pygrub: fix attribute error when not found parser

Signed-off-by: Wei Kong <weikong.cn@xxxxxxxxx>
---
 tools/pygrub/src/pygrub |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)

diff -r d7403d17d03a -r f9998fedea78 tools/pygrub/src/pygrub
--- a/tools/pygrub/src/pygrub   Wed Dec 16 12:20:08 2009 +0000
+++ b/tools/pygrub/src/pygrub   Wed Dec 16 12:20:57 2009 +0000
@@ -397,7 +397,7 @@ class Grub:
                 self.cf = parser()
                 self.cf.filename = f
                 break
-        if self.cf.filename is None:
+        if self.__dict__.get('cf', None) is None:
             raise RuntimeError, "couldn't find bootloader config file in the 
image provided."
         f = fs.open_file(self.cf.filename)
         buf = f.read()

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