[Xen-changelog] [xen-unstable] [LIBXC] Python error extraction tweak.

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

# HG changeset patch
# User kfraser@xxxxxxxxxxxxxxxxxxxxx
# Node ID 5aea6a32fc8bfd1e1614e44b05ef349252ac58a0
# Parent  8e035701b9ffa91caf95e01cd89579ebb1f6bd98
[LIBXC] Python error extraction tweak.
Signed-off-by: Keir Fraser <keir@xxxxxxxxxxxxx>
---
 tools/python/xen/lowlevel/xc/xc.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletion(-)

diff -r 8e035701b9ff -r 5aea6a32fc8b tools/python/xen/lowlevel/xc/xc.c
--- a/tools/python/xen/lowlevel/xc/xc.c Thu Dec 07 11:45:00 2006 +0000
+++ b/tools/python/xen/lowlevel/xc/xc.c Thu Dec 07 11:46:07 2006 +0000
@@ -46,7 +46,10 @@ static PyObject *pyxc_error_to_exception
     const xc_error const *err = xc_get_last_error();
     const char *desc = xc_error_code_to_desc(err->code);
 
-    if (err->message[1])
+    if (err->code == XC_ERROR_NONE)
+        return PyErr_SetFromErrno(xc_error_obj);
+
+    if (err->message[0] != '\0')
        pyerr = Py_BuildValue("(iss)", err->code, desc, err->message);
     else
        pyerr = Py_BuildValue("(is)", err->code, desc);

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