* must be unique within any device
* @size: size of the region.
* @errp: pointer to Error*, to store an error if it happens.
+ *
+ * Return: true on success, else false setting @errp with error.
*/
-void memory_region_init_rom_device_nomigrate(MemoryRegion *mr,
+bool memory_region_init_rom_device_nomigrate(MemoryRegion *mr,
Object *owner,
const MemoryRegionOps *ops,
void *opaque,