From 34e59a7d8766f7097eb68779ec039e77a1eec78a Mon Sep 17 00:00:00 2001
From: Piv <18462828+Piv200@users.noreply.github.com>
Date: Wed, 8 Jul 2020 18:41:59 +0930
Subject: [PATCH] Minor cleanup

---
 Sources/SwiftSerial.swift | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/Sources/SwiftSerial.swift b/Sources/SwiftSerial.swift
index c504fb0..fdeb067 100644
--- a/Sources/SwiftSerial.swift
+++ b/Sources/SwiftSerial.swift
@@ -377,20 +377,17 @@ public class SerialPort {
             return dtrState
         }
         set (value){
-            // TODO: Add error handling.
             guard let fileDescriptor = fileDescriptor else {
                 // Need to open port first.
                 return
             }
             dtrState = value
             var flags = TIOCM_DTR
-            if(ioctl(fileDescriptor, dtrState ? TIOCMBIS : TIOCMBIC, &flags) != 0){
-                
-            }
+            ioctl(fileDescriptor, dtrState ? TIOCMBIS : TIOCMBIC, &flags)
         }
     }
     
-    public var inWaiting: Int? {
+    public var inWaiting: Int {
         get{
             return Int(ioctl(fileDescriptor!, FIONREAD))
         }