From dd3874daa8a6ca865eda007ff49e3c9093bee993 Mon Sep 17 00:00:00 2001
From: Miterosan <miterosan@gmail.com>
Date: Tue, 7 Nov 2017 23:13:32 +0100
Subject: [PATCH] beatmap can not be null in BeatmapPanel.cs

---
 osu.Game/Beatmaps/Drawables/BeatmapPanel.cs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/osu.Game/Beatmaps/Drawables/BeatmapPanel.cs b/osu.Game/Beatmaps/Drawables/BeatmapPanel.cs
index c0705d8f61..e6bf08eb9f 100644
--- a/osu.Game/Beatmaps/Drawables/BeatmapPanel.cs
+++ b/osu.Game/Beatmaps/Drawables/BeatmapPanel.cs
@@ -73,6 +73,9 @@ protected override void ApplyState(PanelSelectedState last = PanelSelectedState.
 
         public BeatmapPanel(BeatmapInfo beatmap)
         {
+            if (beatmap == null)
+                throw new ArgumentNullException(nameof(beatmap));
+
             Beatmap = beatmap;
             Height *= 0.60f;