From 981a745bcc4eed8c9aa74986e78efa2ade2c152a Mon Sep 17 00:00:00 2001
From: Roopesh Chander <roop@roopc.net>
Date: Sun, 28 Oct 2018 22:57:58 +0530
Subject: [PATCH] QR code: Minor refactoring

Signed-off-by: Roopesh Chander <roop@roopc.net>
---
 WireGuard/WireGuard/UI/iOS/QRScanViewController.swift | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/WireGuard/WireGuard/UI/iOS/QRScanViewController.swift b/WireGuard/WireGuard/UI/iOS/QRScanViewController.swift
index 6018597..5ae8d08 100644
--- a/WireGuard/WireGuard/UI/iOS/QRScanViewController.swift
+++ b/WireGuard/WireGuard/UI/iOS/QRScanViewController.swift
@@ -96,13 +96,13 @@ class QRScanViewController: UIViewController {
     }
 
     func scanDidComplete(withCode code: String) {
-        do {
-            let tunnelConfiguration = try WgQuickConfigFileParser.parse(code, name: "Scanned")
-            delegate?.scannedQRCode(tunnelConfiguration: tunnelConfiguration, qrScanViewController: self)
-            dismiss(animated: true, completion: nil)
-        } catch {
+        let scannedTunnelConfiguration = try? WgQuickConfigFileParser.parse(code, name: "Scanned")
+        guard let tunnelConfiguration = scannedTunnelConfiguration else {
             scanDidEncounterError(title: "Invalid Code", message: "The scanned code is not a valid WireGuard config file.")
+            return
         }
+        delegate?.scannedQRCode(tunnelConfiguration: tunnelConfiguration, qrScanViewController: self)
+        dismiss(animated: true, completion: nil)
     }
 
     func scanDidEncounterError(title: String, message: String) {