[Xen-changelog] [xen-unstable] tools: fix inverted logic check

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

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1245932132 -3600
# Node ID c30ace4ad49ffd2d35154be71e47cbe8fe7ba1c4
# Parent  e94691561b48f402dfe1ed12332aaa302798dce6
tools: fix inverted logic check

Signed-off-by: Christoph Egger <Christoph.Egger@xxxxxxx>
---
 tools/python/xen/xend/XendConfig.py |    4 +++-
 1 files changed, 3 insertions(+), 1 deletion(-)

diff -r e94691561b48 -r c30ace4ad49f tools/python/xen/xend/XendConfig.py
--- a/tools/python/xen/xend/XendConfig.py       Thu Jun 25 13:14:37 2009 +0100
+++ b/tools/python/xen/xend/XendConfig.py       Thu Jun 25 13:15:32 2009 +0100
@@ -463,9 +463,11 @@ class XendConfig(dict):
             if 'device_model' not in self['platform']:
                 self['platform']['device_model'] = auxbin.pathTo("qemu-dm")
             # device_model may be set to 'qemu-dm' or 'stubdom-dm' w/o a path
-            if os.path.dirname(self['platform']['device_model']) != "":
+            if os.path.dirname(self['platform']['device_model']) == "":
                 self['platform']['device_model'] = \
                     auxbin.pathTo(self['platform']['device_model'])
+            if not os.path.exists(self['platform']['device_model']):
+                raise VmError("device model '%s' not found" % 
str(self['platform']['device_model']))
 
         if self.is_hvm():
             if 'timer_mode' not in self['platform']:

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