[Xen-changelog] [xen-unstable] xm: Set device_model option value default to None.

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

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1213000587 -3600
# Node ID 9126c09738da2dd6a2dee8e4e120496405708a85
# Parent  0be5d3510305bb31c0d15d48850201c8b2089718
xm: Set device_model option value default to None.
If device_model is set to '', xend will fail to execute the device
model.  If None, xend will detect it and set a sensible qemu-dm path
instead.

Signed-off-by: Yosuke Iwamatsu <y-iwamatsu@xxxxxxxxxxxxx>
---
 tools/python/xen/xm/create.py |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)

diff -r 0be5d3510305 -r 9126c09738da tools/python/xen/xm/create.py
--- a/tools/python/xen/xm/create.py     Mon Jun 09 09:36:07 2008 +0100
+++ b/tools/python/xen/xm/create.py     Mon Jun 09 09:36:27 2008 +0100
@@ -424,7 +424,7 @@ gopts.var('nfs_root', val="PATH",
           use="Set the path of the root NFS directory.")
 
 gopts.var('device_model', val='FILE',
-          fn=set_value, default='',
+          fn=set_value, default=None,
           use="Path to device model program.")
 
 gopts.var('fda', val='FILE',

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