diff --git a/android/AndroidManifest.xml b/android/AndroidManifest.xml
index f7ec34e..931aece 100644
--- a/android/AndroidManifest.xml
+++ b/android/AndroidManifest.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="kr.clpeak"
-    android:versionCode="3"
+    android:versionCode="4"
     android:versionName="1.0" android:installLocation="auto">
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
 
diff --git a/src/common.cpp b/src/common.cpp
index 5425c44..d6d7eeb 100644
--- a/src/common.cpp
+++ b/src/common.cpp
@@ -107,11 +107,11 @@ uint roundToPowOf2(uint number, int maxPower)
     int i;
 
     if ((maxPower > 0) && (number > (1 << maxPower)))
-	    return 1 << maxPower;
+	    return (1 << maxPower);
 
-    for (i=1 ; i < 8*sizeof(int) ; i++)
+    for (i=1 ; i < (8*sizeof(int)) ; i++)
 	    if ((1 << i) > number)
 		    break;
 
-    return 1 << (i-1);
+    return (1 << (i-1));
 }
diff --git a/src/global_bandwidth.cpp b/src/global_bandwidth.cpp
index f98ddf0..3628a7d 100644
--- a/src/global_bandwidth.cpp
+++ b/src/global_bandwidth.cpp
@@ -7,6 +7,7 @@ int clPeak::runGlobalBandwidthTest(cl::CommandQueue &queue, cl::Program &prog, d
 {
     float timed_lo, timed_go, timed, gbps;
     cl::NDRange globalSize, localSize;
+    float *arr = NULL;
 
     if(!isGlobalBW)
         return 0;
@@ -24,11 +25,11 @@ int clPeak::runGlobalBandwidthTest(cl::CommandQueue &queue, cl::Program &prog, d
         numItems = roundToPowOf2(maxItems);
     }
 
-    float *arr = new float[numItems];
-    populate(arr, numItems);
-
     try
     {
+        arr = new float[numItems];
+        populate(arr, numItems);
+
         log->print(NEWLINE TAB TAB "Global memory bandwidth (GBPS)" NEWLINE);
         log->xmlOpenTag("global_memory_bandwidth");
         log->xmlAppendAttribs("unit", "gbps");
@@ -147,6 +148,8 @@ int clPeak::runGlobalBandwidthTest(cl::CommandQueue &queue, cl::Program &prog, d
         log->xmlRecord("float16", gbps);
         ///////////////////////////////////////////////////////////////////////////
         log->xmlCloseTag();     // global_memory_bandwidth
+
+        if(arr)     delete [] arr;
     }
     catch(cl::Error error)
     {
@@ -159,7 +162,6 @@ int clPeak::runGlobalBandwidthTest(cl::CommandQueue &queue, cl::Program &prog, d
         return -1;
     }
 
-    if(arr)     delete [] arr;
     return 0;
 }
 
diff --git a/src/transfer_bandwidth.cpp b/src/transfer_bandwidth.cpp
index c9c9266..47b335f 100644
--- a/src/transfer_bandwidth.cpp
+++ b/src/transfer_bandwidth.cpp
@@ -11,6 +11,7 @@ int clPeak::runTransferBandwidthTest(cl::CommandQueue &queue, cl::Program &prog,
     cl::Context ctx = queue.getInfo<CL_QUEUE_CONTEXT>();
     int iters = devInfo.transferBWIters;
     Timer timer;
+    float *arr = NULL;
 
     cl_uint maxItems = devInfo.maxAllocSize / sizeof(float) / 2;
     cl_uint numItems;
@@ -22,10 +23,9 @@ int clPeak::runTransferBandwidthTest(cl::CommandQueue &queue, cl::Program &prog,
         numItems = roundToPowOf2(maxItems);
     }
 
-    float *arr = new float[numItems];
-
     try
     {
+        arr = new float[numItems];
         cl::Buffer clBuffer = cl::Buffer(ctx, (CL_MEM_READ_WRITE | CL_MEM_ALLOC_HOST_PTR), (numItems * sizeof(float)));
 
         log->print(NEWLINE TAB TAB "Transfer bandwidth (GBPS)" NEWLINE);
@@ -245,7 +245,7 @@ int clPeak::runTransferBandwidthTest(cl::CommandQueue &queue, cl::Program &prog,
         ///////////////////////////////////////////////////////////////////////////
         log->xmlCloseTag();     // transfer_bandwidth
 
-
+        if(arr)     delete [] arr;
     }
     catch(cl::Error error)
     {
@@ -258,7 +258,6 @@ int clPeak::runTransferBandwidthTest(cl::CommandQueue &queue, cl::Program &prog,
         return -1;
     }
 
-    if(arr)     delete [] arr;
     return 0;
 }