52 	struct nvme_ns_ids *ids = &head->ids;  in wwid_show()  local
57 	if (!uuid_is_null(&ids->uuid))  in wwid_show()
58 		return sysfs_emit(buf, "uuid.%pU\n", &ids->uuid);  in wwid_show()
60 	if (memchr_inv(ids->nguid, 0, sizeof(ids->nguid)))  in wwid_show()
61 		return sysfs_emit(buf, "eui.%16phN\n", ids->nguid);  in wwid_show()
63 	if (memchr_inv(ids->eui64, 0, sizeof(ids->eui64)))  in wwid_show()
64 		return sysfs_emit(buf, "eui.%8phN\n", ids->eui64);  in wwid_show()
82 	return sysfs_emit(buf, "%pU\n", dev_to_ns_head(dev)->ids.nguid);  in nguid_show()
89 	struct nvme_ns_ids *ids = &dev_to_ns_head(dev)->ids;  in uuid_show()  local
94 	if (uuid_is_null(&ids->uuid)) {  in uuid_show()
97 		return sysfs_emit(buf, "%pU\n", ids->nguid);  in uuid_show()
99 	return sysfs_emit(buf, "%pU\n", &ids->uuid);  in uuid_show()
106 	return sysfs_emit(buf, "%8ph\n", dev_to_ns_head(dev)->ids.eui64);  in eui_show()
134 	struct nvme_ns_ids *ids = &dev_to_ns_head(dev)->ids;  in nvme_ns_id_attrs_are_visible()  local
137 		if (uuid_is_null(&ids->uuid) &&  in nvme_ns_id_attrs_are_visible()
138 		    !memchr_inv(ids->nguid, 0, sizeof(ids->nguid)))  in nvme_ns_id_attrs_are_visible()
142 		if (!memchr_inv(ids->nguid, 0, sizeof(ids->nguid)))  in nvme_ns_id_attrs_are_visible()
146 		if (!memchr_inv(ids->eui64, 0, sizeof(ids->eui64)))  in nvme_ns_id_attrs_are_visible()