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-rw-r--r--scripts/qapi/schema.py16
1 files changed, 9 insertions, 7 deletions
diff --git a/scripts/qapi/schema.py b/scripts/qapi/schema.py
index 0b01c841ff..e44802369d 100644
--- a/scripts/qapi/schema.py
+++ b/scripts/qapi/schema.py
@@ -843,13 +843,14 @@ class QAPISchemaCommand(QAPISchemaDefinition):
     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, "command's 'data'")
-            if not isinstance(self.arg_type, QAPISchemaObjectType):
+            if not isinstance(arg_type, QAPISchemaObjectType):
                 raise QAPISemError(
                     self.info,
                     "command'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,
@@ -866,8 +867,8 @@ class QAPISchemaCommand(QAPISchemaDefinition):
             if self.name not in self.info.pragma.command_returns_exceptions:
                 typ = self.ret_type
                 if isinstance(typ, QAPISchemaArrayType):
-                    typ = self.ret_type.element_type
                     assert typ
+                    typ = typ.element_type
                 if not isinstance(typ, QAPISchemaObjectType):
                     raise QAPISemError(
                         self.info,
@@ -903,13 +904,14 @@ class QAPISchemaEvent(QAPISchemaDefinition):
     def check(self, schema):
         super().check(schema)
         if self._arg_type_name:
-            self.arg_type = schema.resolve_type(
+            typ = schema.resolve_type(
                 self._arg_type_name, self.info, "event's 'data'")
-            if not isinstance(self.arg_type, QAPISchemaObjectType):
+            if not isinstance(typ, QAPISchemaObjectType):
                 raise QAPISemError(
                     self.info,
                     "event's 'data' cannot take %s"
-                    % self.arg_type.describe())
+                    % typ.describe())
+            self.arg_type = typ
             if self.arg_type.variants and not self.boxed:
                 raise QAPISemError(
                     self.info,