From 4c9224709862c38a97c51853a93d284f55d6135d Mon Sep 17 00:00:00 2001
From: Dave Sparks <davidsparks@android.com>
Date: Thu, 7 May 2009 09:26:06 -0700
Subject: [PATCH] Don't allow negative numbers in ToneGenerator toneType
 parameter Bug 1836596

---
 media/libmedia/ToneGenerator.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/media/libmedia/ToneGenerator.cpp b/media/libmedia/ToneGenerator.cpp
index d1789addb9225..81ee92c5a1214 100644
--- a/media/libmedia/ToneGenerator.cpp
+++ b/media/libmedia/ToneGenerator.cpp
@@ -357,7 +357,7 @@ ToneGenerator::~ToneGenerator() {
 bool ToneGenerator::startTone(int toneType) {
     bool lResult = false;
 
-    if (toneType >= NUM_TONES)
+    if ((toneType < 0) || (toneType >= NUM_TONES))
         return lResult;
 
     if (mState == TONE_IDLE) {