+
+ if (first) {
+ /* Now we can check first back pointer. */
+ ecode = tdb_read_convert(tdb, first, &f, sizeof(f));
+ if (ecode != TDB_SUCCESS) {
+ return ecode;
+ }
+ ecode = check_free(tdb, first, &f, prev, ftable_num, i);
+ if (ecode != TDB_SUCCESS) {
+ return ecode;
+ }
+ }