From 5ca4a2d2c81600178816afb37778e40ce480f47c Mon Sep 17 00:00:00 2001
From: smoogipoo <smoogipoo@smgi.me>
Date: Wed, 4 Oct 2017 19:09:39 +0900
Subject: [PATCH] Add some nullchecks to WaveformDisplay

---
 osu.Game/Screens/Edit/Screens/Compose/WaveformDisplay.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/osu.Game/Screens/Edit/Screens/Compose/WaveformDisplay.cs b/osu.Game/Screens/Edit/Screens/Compose/WaveformDisplay.cs
index 236f6b6d47..d1550117df 100644
--- a/osu.Game/Screens/Edit/Screens/Compose/WaveformDisplay.cs
+++ b/osu.Game/Screens/Edit/Screens/Compose/WaveformDisplay.cs
@@ -90,8 +90,8 @@ namespace osu.Game.Screens.Edit.Screens.Compose
             n.Texture = texture;
             n.Size = DrawSize;
             n.Shared = sharedData;
-            n.Points = waveform.Generate((int)(MathHelper.Clamp(Math.Ceiling(DrawWidth), 0, waveform.MaximumPoints) * resolution));
-            n.Channels = waveform.Channels;
+            n.Points = waveform?.Generate((int)(MathHelper.Clamp(Math.Ceiling(DrawWidth), 0, waveform.MaximumPoints) * resolution));
+            n.Channels = waveform?.Channels ?? 0;
 
             base.ApplyDrawNode(node);
         }