1 files changed, 3 insertions, 1 deletions
diff --git a/qapi/opts-visitor.c b/qapi/opts-visitor.c
index 96ed85899d..5d830a2b56 100644
--- a/qapi/opts-visitor.c
+++ b/qapi/opts-visitor.c
@@ -124,7 +124,9 @@ opts_start_struct(Visitor *v, void **obj, const char *kind,
     OptsVisitor *ov = DO_UPCAST(OptsVisitor, visitor, v);
     const QemuOpt *opt;
 
-    *obj = g_malloc0(size > 0 ? size : 1);
+    if (obj) {
+        *obj = g_malloc0(size > 0 ? size : 1);
+    }
     if (ov->depth++ > 0) {
         return;
     }