commit a06b35205f1e0151b34a733c7405d0798ae31ee2
author Mathias Agopian <mathias@google.com> Fri Sep 10 17:07:39 2010 -0700
committer Mathias Agopian <mathias@google.com> Fri Sep 10 17:07:39 2010 -0700
tree 2b20dc5a60e356e4312b00c43fe071303b248824
parent d0c6716a07302a67ccfb23a1214935b8557824b9

Fix a typo which could cause a buffer overflow in the light sensor HAL

Change-Id: I9231e26b423bfc47a4564c24895d19c2c5a2c00f

libsensors/LightSensor.cpp

diff --git a/libsensors/LightSensor.cpp b/libsensors/LightSensor.cpp
index fa04d04..119978e 100644
--- a/libsensors/LightSensor.cpp
+++ b/libsensors/LightSensor.cpp
@@ -147,8 +147,8 @@
             640.0, 1280.0, 2600.0, 10240.0
     };
 
-    const size_t arraySize = sizeof(luxValues)/sizeof(*luxValues);
-    if (index >= arraySize)
-        index = arraySize;
+    const size_t maxIndex = sizeof(luxValues)/sizeof(*luxValues) - 1;
+    if (index > maxIndex)
+        index = maxIndex;
     return luxValues[index];
 }