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-rw-r--r--scripts/qapi-visit.py3
-rw-r--r--tests/qapi-schema/qapi-schema-test.json9
-rw-r--r--tests/qapi-schema/qapi-schema-test.out7
3 files changed, 13 insertions, 6 deletions
diff --git a/scripts/qapi-visit.py b/scripts/qapi-visit.py
index 0cc9b08b14..2bdb5a121d 100644
--- a/scripts/qapi-visit.py
+++ b/scripts/qapi-visit.py
@@ -293,7 +293,8 @@ void visit_type_%(c_name)s(Visitor *v, const char *name, %(c_name)s **obj, Error
     case %(case)s:
 ''',
                      case=c_enum_const(variants.tag_member.type.name,
-                                       var.name))
+                                       var.name,
+                                       variants.tag_member.type.prefix))
         if simple_union_type:
             ret += mcgen('''
         visit_type_%(c_type)s(v, "data", &(*obj)->u.%(c_name)s, &err);
diff --git a/tests/qapi-schema/qapi-schema-test.json b/tests/qapi-schema/qapi-schema-test.json
index 4b895275c7..353a34eee4 100644
--- a/tests/qapi-schema/qapi-schema-test.json
+++ b/tests/qapi-schema/qapi-schema-test.json
@@ -73,14 +73,17 @@
   'base': 'UserDefZero',
   'data': { 'string': 'str', 'enum1': 'EnumOne' } }
 
+{ 'struct': 'UserDefUnionBase2',
+  'base': 'UserDefZero',
+  'data': { 'string': 'str', 'enum1': 'QEnumTwo' } }
+
 # this variant of UserDefFlatUnion defaults to a union that uses fields with
 # allocated types to test corner cases in the cleanup/dealloc visitor
 { 'union': 'UserDefFlatUnion2',
-  'base': 'UserDefUnionBase',
+  'base': 'UserDefUnionBase2',
   'discriminator': 'enum1',
   'data': { 'value1' : 'UserDefC', # intentional forward reference
-            'value2' : 'UserDefB',
-            'value3' : 'UserDefA' } }
+            'value2' : 'UserDefB' } }
 
 { 'alternate': 'UserDefAlternate',
   'data': { 'uda': 'UserDefA', 's': 'str', 'i': 'int' } }
diff --git a/tests/qapi-schema/qapi-schema-test.out b/tests/qapi-schema/qapi-schema-test.out
index 2c546b708a..241aadbca0 100644
--- a/tests/qapi-schema/qapi-schema-test.out
+++ b/tests/qapi-schema/qapi-schema-test.out
@@ -121,11 +121,10 @@ object UserDefFlatUnion
     case value2: UserDefB
     case value3: UserDefB
 object UserDefFlatUnion2
-    base UserDefUnionBase
+    base UserDefUnionBase2
     tag enum1
     case value1: UserDefC
     case value2: UserDefB
-    case value3: UserDefA
 object UserDefNativeListUnion
     member type: UserDefNativeListUnionKind optional=False
     case integer: :obj-intList-wrapper
@@ -167,6 +166,10 @@ object UserDefUnionBase
     base UserDefZero
     member string: str optional=False
     member enum1: EnumOne optional=False
+object UserDefUnionBase2
+    base UserDefZero
+    member string: str optional=False
+    member enum1: QEnumTwo optional=False
 object UserDefZero
     member integer: int optional=False
 event __ORG.QEMU_X-EVENT __org.qemu_x-Struct