[PATCH 06/25] qapi/schema.py: constrain QAPISchemaEvent arg_type type

[John Snow]

Signed-off-by: John Snow <jsnow@redhat.com>
---
 scripts/qapi/schema.py | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/scripts/qapi/schema.py b/scripts/qapi/schema.py
index c9a62711c2..aaf20f776b 100644
--- a/scripts/qapi/schema.py
+++ b/scripts/qapi/schema.py
@@ -792,13 +792,14 @@ def __init__(self, name, info, doc, ifcond, features, 
arg_type, boxed):
     def check(self, schema):
         super().check(schema)
         if self._arg_type_name:
-            self.arg_type = schema.resolve_type(
+            arg_type = schema.resolve_type(
                 self._arg_type_name, self.info, "event's 'data'")
-            if not isinstance(self.arg_type, QAPISchemaObjectType):
+            if not isinstance(arg_type, QAPISchemaObjectType):
                 raise QAPISemError(
                     self.info,
                     "event's 'data' cannot take %s"
-                    % self.arg_type.describe())
+                    % arg_type.describe())
+            self.arg_type = arg_type
             if self.arg_type.variants and not self.boxed:
                 raise QAPISemError(
                     self.info,
-- 
2.26.2