Merge remote-tracking branch 'remotes/qmp-unstable/queue/qmp' into staging

* remotes/qmp-unstable/queue/qmp:
  qapi: zero-initialize all QMP command parameters
  scripts/qapi.py: Avoid syntax not supported by Python 2.4
  doc: add "setup" to list of migration states

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
diff --git a/qapi-schema.json b/qapi-schema.json
index 70ed7e3..7bc33ea 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -691,7 +691,7 @@
 # Information about current migration process.
 #
 # @status: #optional string describing the current migration status.
-#          As of 0.14.0 this can be 'active', 'completed', 'failed' or
+#          As of 0.14.0 this can be 'setup', 'active', 'completed', 'failed' or
 #          'cancelled'. If this field is not returned, no migration process
 #          has been initiated
 #
diff --git a/qmp-commands.hx b/qmp-commands.hx
index 2c53c1b..d8aa4ed 100644
--- a/qmp-commands.hx
+++ b/qmp-commands.hx
@@ -2940,7 +2940,7 @@
 The main json-object contains the following:
 
 - "status": migration status (json-string)
-     - Possible values: "active", "completed", "failed", "cancelled"
+     - Possible values: "setup", "active", "completed", "failed", "cancelled"
 - "total-time": total amount of ms since migration started.  If
                 migration has ended, it returns the total migration
                 time (json-int)
diff --git a/scripts/qapi-commands.py b/scripts/qapi-commands.py
index 386f17e..7d93d01 100644
--- a/scripts/qapi-commands.py
+++ b/scripts/qapi-commands.py
@@ -111,7 +111,7 @@
                          argname=c_var(argname), argtype=c_type(argtype))
         else:
             ret += mcgen('''
-%(argtype)s %(argname)s;
+%(argtype)s %(argname)s = {0};
 ''',
                          argname=c_var(argname), argtype=c_type(argtype))
 
diff --git a/scripts/qapi.py b/scripts/qapi.py
index 0265b40..86e9608 100644
--- a/scripts/qapi.py
+++ b/scripts/qapi.py
@@ -116,7 +116,7 @@
                     continue
                 try:
                     fobj = open(include_path, 'r')
-                except IOError as e:
+                except IOError, e:
                     raise QAPIExprError(expr_info,
                                         '%s: %s' % (e.strerror, include))
                 exprs_include = QAPISchema(fobj, include, self.include_hist,