From 2b0421f69295a774965d0ebbdb08ef904e1e8b98 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Matthias=20Mail=C3=A4nder?= <matthias@mailaender.name>
Date: Sun, 31 May 2015 10:18:58 +0200
Subject: [PATCH] throw before triggering an NRE by accessing a null array

---
 OpenRA.Game/FileFormats/PngLoader.cs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/OpenRA.Game/FileFormats/PngLoader.cs b/OpenRA.Game/FileFormats/PngLoader.cs
index dce8de20b3..3652b3b428 100644
--- a/OpenRA.Game/FileFormats/PngLoader.cs
+++ b/OpenRA.Game/FileFormats/PngLoader.cs
@@ -130,6 +130,9 @@ namespace OpenRA.FileFormats
 
 									bitmap.UnlockBits(bits);
 
+									if (palette == null)
+										throw new InvalidDataException("Non-Palette indexed PNG are not supported.");
+
 									using (var temp = new Bitmap(1, 1, PixelFormat.Format8bppIndexed))
 									{
 										var cp = temp.Palette;