13429 cleanup:
13430 cancel_refresh(zone);
CID 1452702 (#1 of 1): Dereference before null check (REVERSE_INULL)
check_after_deref: Null-checking stub suggests that it may
be null, but it has already been dereferenced on all paths
leading to the check.
13431 if (stub != NULL) {
13432 stub->magic = 0;