- const uint32_t *p = qemu_fdt_getprop(fdt, node_path, property, &len);
- if (len != 4) {
- error_report("%s: %s/%s not 4 bytes long (not a cell?)",
- __func__, node_path, property);
- exit(1);
+ const uint32_t *p;
+
+ if (!lenp) {
+ lenp = &len;
+ }
+ p = qemu_fdt_getprop(fdt, node_path, property, lenp, errp);
+ if (!p) {
+ return 0;
+ } else if (*lenp != 4) {
+ error_setg(errp, "%s: %s/%s not 4 bytes long (not a cell?)",
+ __func__, node_path, property);
+ *lenp = -EINVAL;
+ return 0;