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-rw-r--r--qom/object_interfaces.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/qom/object_interfaces.c b/qom/object_interfaces.c
index 1e9ad6f08a..7661270b98 100644
--- a/qom/object_interfaces.c
+++ b/qom/object_interfaces.c
@@ -8,6 +8,7 @@
#include "qapi/qobject-input-visitor.h"
#include "qom/object_interfaces.h"
#include "qemu/help_option.h"
+#include "qemu/id.h"
#include "qemu/module.h"
#include "qemu/option.h"
#include "qapi/opts-visitor.h"
@@ -41,11 +42,19 @@ Object *user_creatable_add_type(const char *type, const char *id,
const QDict *qdict,
Visitor *v, Error **errp)
{
+ ERRP_GUARD();
Object *obj;
ObjectClass *klass;
const QDictEntry *e;
Error *local_err = NULL;
+ if (id != NULL && !id_wellformed(id)) {
+ error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "id", "an identifier");
+ error_append_hint(errp, "Identifiers consist of letters, digits, "
+ "'-', '.', '_', starting with a letter.\n");
+ return NULL;
+ }
+
klass = object_class_by_name(type);
if (!klass) {
error_setg(errp, "invalid object type: %s", type);