Paper/Spigot-Server-Patches/0321-Cleanup-allocated-favicon-ByteBuf.patch

From b42d9cfdd497370e9fe6d0b2b684ebcd6fe28ffd Mon Sep 17 00:00:00 2001
From: Shane Freeder <theboyetronic@gmail.com>
Date: Tue, 3 Jul 2018 19:14:38 +0100
Subject: [PATCH] Cleanup allocated favicon ByteBuf

Cleanups a bytebuffer which was allocated during the encoding of the
favicon to be sent to the client.

diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index f82e22b23..0399a48e1 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -724,6 +724,7 @@ public abstract class MinecraftServer implements ICommandListener, Runnable, IAs
 
         if (file.isFile()) {
             ByteBuf bytebuf = Unpooled.buffer();
+            ByteBuf bytebuf1 = null; // Paper - cleanup favicon bytebuf
 
             try {
                 BufferedImage bufferedimage = ImageIO.read(file);
@@ -731,13 +732,18 @@ public abstract class MinecraftServer implements ICommandListener, Runnable, IAs
                 Validate.validState(bufferedimage.getWidth() == 64, "Must be 64 pixels wide", new Object[0]);
                 Validate.validState(bufferedimage.getHeight() == 64, "Must be 64 pixels high", new Object[0]);
                 ImageIO.write(bufferedimage, "PNG", new ByteBufOutputStream(bytebuf));
-                ByteBuf bytebuf1 = Base64.encode(bytebuf);
+                /*ByteBuf */ bytebuf1 = Base64.encode(bytebuf); // Paper - cleanup favicon bytebuf
 
                 serverping.setFavicon("data:image/png;base64," + bytebuf1.toString(StandardCharsets.UTF_8));
             } catch (Exception exception) {
                 MinecraftServer.LOGGER.error("Couldn\'t load server icon", exception);
             } finally {
                 bytebuf.release();
+                // Paper start - cleanup favicon bytebuf
+                if (bytebuf1 != null) {
+                    bytebuf1.release();
+                }
+                // Paper end - cleanup favicon bytebuf
             }
         }
 
-- 
2.18.0