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Diffstat (limited to 'include/qapi/visitor-impl.h')
-rw-r--r--include/qapi/visitor-impl.h5
1 files changed, 2 insertions, 3 deletions
diff --git a/include/qapi/visitor-impl.h b/include/qapi/visitor-impl.h
index 74196847fa..44a21b79d6 100644
--- a/include/qapi/visitor-impl.h
+++ b/include/qapi/visitor-impl.h
@@ -44,9 +44,8 @@ struct Visitor
void (*type_any)(Visitor *v, QObject **obj, const char *name,
Error **errp);
- /* May be NULL */
- void (*optional)(Visitor *v, bool *present, const char *name,
- Error **errp);
+ /* May be NULL; most useful for input visitors. */
+ void (*optional)(Visitor *v, bool *present, const char *name);
void (*type_uint8)(Visitor *v, uint8_t *obj, const char *name, Error **errp);
void (*type_uint16)(Visitor *v, uint16_t *obj, const char *name, Error **errp);