From c8aaaef20f5d773037cf337d6f1419ba7ebf7832 Mon Sep 17 00:00:00 2001
From: Jinsuk Kim <jinsukkim@google.com>
Date: Thu, 29 Jan 2015 16:28:37 +0900
Subject: CEC: Do null/empty check against the parameter for
 checkRecordSource()

This prevents out-of-bound exception from occurring.

Bug: 19188370
Change-Id: I051dccf7760cb542ea3dc9b0adc9625fa2ad8b1f
---
 core/java/android/hardware/hdmi/HdmiRecordSources.java | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/core/java/android/hardware/hdmi/HdmiRecordSources.java b/core/java/android/hardware/hdmi/HdmiRecordSources.java
index 922b8e7..7e94b89 100644
--- a/core/java/android/hardware/hdmi/HdmiRecordSources.java
+++ b/core/java/android/hardware/hdmi/HdmiRecordSources.java
@@ -759,6 +759,8 @@ public final class HdmiRecordSources {
      */
     @SystemApi
     public static boolean checkRecordSource(byte[] recordSource) {
+        if (recordSource == null || recordSource.length == 0) return false;
+
         int recordSourceType = recordSource[0];
         int extraDataSize = recordSource.length - 1;
         switch (recordSourceType) {
-- 
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