* refill the WL pool synchronous. */
if (pool->used == pool->size || wl_pool->used == wl_pool->size) {
spin_unlock(&ubi->wl_lock);
- ubi_update_fastmap(ubi);
+ ret = ubi_update_fastmap(ubi);
+ if (ret) {
+ ubi_msg(ubi, "Unable to write a new fastmap: %i", ret);
+ return -ENOSPC;
+ }
spin_lock(&ubi->wl_lock);
}