headerview from previous view takes up space in UISearchController search results - ios

Question

I have a simple tableView, DailyAttendanceController, with a searchbar. Searchbar was added in its viewDidLoad. View TableView here.
import UIKit
class OldCellsTableViewController: UITableViewController {
let data = ["A", "B", "C"]
var searchController:UISearchController!
let resultsController = SearchResultsUpdater()
override func viewDidLoad() {
super.viewDidLoad()
resultsController.data = data
searchController = UISearchController(searchResultsController: resultsController)
let searchBar = self.searchController.searchBar
searchBar.scopeButtonTitles = ["All", "Short", "Long"]
searchBar.placeholder = "Search for a student"
searchBar.sizeToFit()
self.tableView.tableHeaderView = searchBar
self.searchController.searchResultsUpdater = resultsController
}
// MARK: - Table view data source
override func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return data.count
}
override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
let cell = UITableViewCell()
let info = data[indexPath.row]
cell.textLabel?.text = info
return cell
}
}
I then created another class, SearchResultsController, to handle the search. Searching works fine, but space is allocated for DailyAttendanceController's header. View SearchResultsController here
How do I remove this?
Code for my SearchResultsController:
import UIKit
import CoreData
class SearchResultsController: UITableViewController, UISearchResultsUpdating {
var data:[String] = []
var filteredData:[String] = []
override func viewDidLoad() {
super.viewDidLoad()
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
}
// MARK: - Table view data source
override func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return filteredData.count
}
func updateSearchResultsForSearchController(searchController: UISearchController) {
filteredData.removeAll(keepCapacity: true)
let searchString = searchController.searchBar.text
for info in data {
if (info.uppercaseString.rangeOfString(searchString.uppercaseString) != nil) {
filteredData.append(info)
}
}
tableView.reloadData()
}
override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
let cell = UITableViewCell()
cell.textLabel?.text = filteredData[indexPath.row]
return cell
}
}