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charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.12 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=berrange@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.122, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1731340614187116600 Push an Error object into object_initialize_with_type, so that reporting of attempts to create an abstract type is handled at the lowest level. Signed-off-by: Daniel P. Berrang=C3=A9 --- qom/object.c | 30 ++++++++++++++++++++---------- 1 file changed, 20 insertions(+), 10 deletions(-) diff --git a/qom/object.c b/qom/object.c index 9edc06d391..dc125e55bc 100644 --- a/qom/object.c +++ b/qom/object.c @@ -559,14 +559,20 @@ static void object_class_property_init_all(Object *ob= j) } } =20 -static void object_initialize_with_type(Object *obj, size_t size, TypeImpl= *type) +static bool object_initialize_with_type(Object *obj, size_t size, + TypeImpl *type, Error **errp) { type_initialize(type); =20 g_assert(type->instance_size >=3D sizeof(Object)); - g_assert(type->abstract =3D=3D false); g_assert(size >=3D type->instance_size); =20 + if (type->abstract) { + error_setg(errp, "Abstract type '%s' cannot be instantiated", + type->name); + return false; + } + memset(obj, 0, type->instance_size); obj->class =3D type->class; object_ref(obj); @@ -575,13 +581,15 @@ static void object_initialize_with_type(Object *obj, = size_t size, TypeImpl *type NULL, object_property_free); object_init_with_type(obj, type); object_post_init_with_type(obj, type); + + return true; } =20 void object_initialize(void *data, size_t size, const char *typename) { TypeImpl *type =3D type_get_or_load_by_name(typename, &error_fatal); =20 - object_initialize_with_type(data, size, type); + object_initialize_with_type(data, size, type, &error_abort); } =20 bool object_initialize_child_with_props(Object *parentobj, @@ -753,7 +761,7 @@ typedef union { } qemu_max_align_t; #endif =20 -static Object *object_new_with_type(Type type) +static Object *object_new_with_type(Type type, Error **errp) { Object *obj; size_t size, align; @@ -777,7 +785,10 @@ static Object *object_new_with_type(Type type) obj_free =3D qemu_vfree; } =20 - object_initialize_with_type(obj, size, type); + if (!object_initialize_with_type(obj, size, type, errp)) { + g_free(obj); + return NULL; + } obj->free =3D obj_free; =20 return obj; @@ -785,14 +796,14 @@ static Object *object_new_with_type(Type type) =20 Object *object_new_with_class(ObjectClass *klass) { - return object_new_with_type(klass->type); + return object_new_with_type(klass->type, &error_abort); } =20 Object *object_new(const char *typename) { TypeImpl *ti =3D type_get_or_load_by_name(typename, &error_fatal); =20 - return object_new_with_type(ti); + return object_new_with_type(ti, &error_abort); } =20 =20 @@ -829,11 +840,10 @@ Object *object_new_with_propv(const char *typename, return NULL; } =20 - if (object_class_is_abstract(klass)) { - error_setg(errp, "object type '%s' is abstract", typename); + obj =3D object_new_with_type(klass->type, errp); + if (!obj) { return NULL; } - obj =3D object_new_with_type(klass->type); =20 if (!object_set_propv(obj, errp, vargs)) { goto error; --=20 2.46.0