diff --git a/trunk/ConsoleDataMigration/sources/ConsoleBackup/Exporter.cpp b/trunk/ConsoleDataMigration/sources/ConsoleBackup/Exporter.cpp
index 10cc890..9b0bfed 100644
--- a/trunk/ConsoleDataMigration/sources/ConsoleBackup/Exporter.cpp
+++ b/trunk/ConsoleDataMigration/sources/ConsoleBackup/Exporter.cpp
@@ -504,38 +504,32 @@ void WriteTwlData(enum common::TWL_PATH_INDEX path)
     {
         nn::fs::FileOutputStream list;
         result = list.TryInitialize(common::FILE_LIST_PATHNAME, true);
-        COMMON_LOGGER_RESULT_IF_FAILED(result);
+        COMMON_LOGGER_RETURN_VOID_SET_BOOL_IF_FAILED(result, s_IsExportSucceeded);
+
+        result = list.TryGetSize(&fileSize);
         if (result.IsSuccess())
         {
-            result = list.TryGetSize(&fileSize);
+            // 末尾に移動
+            result = list.TrySetPosition(fileSize);
             if (result.IsSuccess())
             {
-                // 末尾に移動
-                result = list.TrySetPosition(fileSize);
-                if (result.IsSuccess())
+                wchar_t archiveName[nn::fs::MAX_FILE_PATH_LENGTH];
+                ::std::mbstowcs(archiveName, common::TWL_ARCHIVE_NAME_TABLE[path],
+                        std::strlen(common::TWL_ARCHIVE_NAME_TABLE[path]) + 1);
+                std::wstring archiveString(archiveName);
+                if (!common::CopyDirectory(
+                        NULL,
+                        (archiveString + ::std::wstring(L"/")).c_str(),
+                        (common::SDMC_ROOT_DIRECTORY_PATH + ::std::wstring(common::SD_TWL_ROOTNAME_TABLE[path])).c_str(),
+                        buf, bufSize, true, &list, &s_FileListContext))
                 {
-                    wchar_t archiveName[nn::fs::MAX_FILE_PATH_LENGTH];
-                    ::std::mbstowcs(archiveName, common::TWL_ARCHIVE_NAME_TABLE[path],
-                            std::strlen(common::TWL_ARCHIVE_NAME_TABLE[path]) + 1);
-                    std::wstring archiveString(archiveName);
-                    if(!common::CopyDirectory(
-                            NULL,
-                            (archiveString + ::std::wstring(L"/")).c_str(),
-                            (common::SDMC_ROOT_DIRECTORY_PATH + ::std::wstring(common::SD_TWL_ROOTNAME_TABLE[path])).c_str(),
-                            buf, bufSize, true, &list, &s_FileListContext))
-                    {
-                        s_IsExportSucceeded = false;
-                        return;
-                    }
+                    s_IsExportSucceeded = false;
+                    return;
                 }
-
-                list.TryFlush();
-                list.Finalize();
             }
-        }
-        else
-        {
-            s_IsExportSucceeded = false;
+
+            list.TryFlush();
+            list.Finalize();
         }
     }
 
@@ -863,8 +857,7 @@ bool DeleteNimSaveData()
     result = nn::fs::TryDeleteDirectoryRecursively(nimSaveDataPath.c_str());
     if (result.IsFailure() && !nn::fs::ResultNotFound::Includes(result))
     {
-        COMMON_LOGGER_RESULT_IF_FAILED(result);
-        return false;
+        COMMON_LOGGER_RETURN_FALSE_IF_FAILED(result);
     }
 
     result = common::SdMountManager::Unmount();
diff --git a/trunk/ConsoleDataMigration/sources/ConsoleRestore/Importer.cpp b/trunk/ConsoleDataMigration/sources/ConsoleRestore/Importer.cpp
index 4199d16..332d793 100644
--- a/trunk/ConsoleDataMigration/sources/ConsoleRestore/Importer.cpp
+++ b/trunk/ConsoleDataMigration/sources/ConsoleRestore/Importer.cpp
@@ -1726,45 +1726,45 @@ nn::Result InitializeHardwareDependentSetting()
 
     result = nn::cfg::CTR::init::SetConfig(GET_CFG_KEY(NN_CFG_HID, NN_CFG_HID_CAL_TOUCHPANEL),
             &cfgCalData.touchPanelCfgData, sizeof(TouchPanelCfgData));
-    COMMON_LOGGER_RESULT_IF_FAILED(result);
+    COMMON_LOGGER_RETURN_RESULT_IF_FAILED(result);
 
     result = nn::cfg::CTR::init::SetConfig(GET_CFG_KEY(NN_CFG_LCD, NN_CFG_LCD_CAL_FLICKER),
             &cfgCalData.lcdFlickerCfgData, sizeof(LcdFlickerCfgData));
-    COMMON_LOGGER_RESULT_IF_FAILED(result);
+    COMMON_LOGGER_RETURN_RESULT_IF_FAILED(result);
 
     result = nn::cfg::CTR::init::SetConfig(GET_CFG_KEY(NN_CFG_FCRAM, NN_CFG_FCRAM_CAL_DELAY), &cfgCalData.fcramCfgData,
             sizeof(FcramCfgData));
-    COMMON_LOGGER_RESULT_IF_FAILED(result);
+    COMMON_LOGGER_RETURN_RESULT_IF_FAILED(result);
 
     result = nn::cfg::CTR::init::SetConfig(GET_CFG_KEY(NN_CFG_RTC, NN_CFG_RTC_CAL_COMPENSATION),
             &cfgCalData.rtcCfgData, sizeof(RtcCfgData));
-    COMMON_LOGGER_RESULT_IF_FAILED(result);
+    COMMON_LOGGER_RETURN_RESULT_IF_FAILED(result);
 
     result = nn::cfg::CTR::init::SetConfig(GET_CFG_KEY(NN_CFG_HID, NN_CFG_HID_CAL_GYROSCOPE),
             &cfgCalData.gyroscopeCfgData, sizeof(GyroscopeCfgData));
-    COMMON_LOGGER_RESULT_IF_FAILED(result);
+    COMMON_LOGGER_RETURN_RESULT_IF_FAILED(result);
 
     result = nn::cfg::CTR::init::SetConfig(GET_CFG_KEY(NN_CFG_HID, NN_CFG_HID_CAL_ACCELEROMETER),
             &cfgCalData.accelCfgData, sizeof(AccelCfgData));
-    COMMON_LOGGER_RESULT_IF_FAILED(result);
+    COMMON_LOGGER_RETURN_RESULT_IF_FAILED(result);
 
     result = nn::cfg::CTR::init::SetConfig(GET_CFG_KEY(NN_CFG_CODEC, NN_CFG_CODEC_CAL), &cfgCalData.codecCfgData,
             sizeof(CodecCfgData));
-    COMMON_LOGGER_RESULT_IF_FAILED(result);
+    COMMON_LOGGER_RETURN_RESULT_IF_FAILED(result);
 
     result = nn::cfg::CTR::init::SetConfig(GET_CFG_KEY(NN_CFG_MCU, NN_CFG_MCU_SLIDE_VOLUME),
             &cfgCalData.mcuSlideVolumeRangeCfgData, sizeof(McuSlideVolumeRangeCfgData));
-    COMMON_LOGGER_RESULT_IF_FAILED(result);
+    COMMON_LOGGER_RETURN_RESULT_IF_FAILED(result);
 
     NN_LOG("Set cfgCalData\n");
 
-    COMMON_LOGGER_RESULT_IF_FAILED(result);
+    COMMON_LOGGER_RETURN_RESULT_IF_FAILED(result);
 
     nn::cfg::CTR::init::ResetCameraCalibration();
-    COMMON_LOGGER_RESULT_IF_FAILED(result);
+    COMMON_LOGGER_RETURN_RESULT_IF_FAILED(result);
 
     nn::cfg::CTR::init::ResetAnalogStickCalibration();
-    COMMON_LOGGER_RESULT_IF_FAILED(result);
+    COMMON_LOGGER_RETURN_RESULT_IF_FAILED(result);
 
     return result;
 }
diff --git a/trunk/ConsoleDataMigration/sources/ConsoleRestore/Shop.cpp b/trunk/ConsoleDataMigration/sources/ConsoleRestore/Shop.cpp
index dc4443f..ae65ff1 100644
--- a/trunk/ConsoleDataMigration/sources/ConsoleRestore/Shop.cpp
+++ b/trunk/ConsoleDataMigration/sources/ConsoleRestore/Shop.cpp
@@ -219,18 +219,15 @@ nn::Result ConnectNetwork()
     nn::ac::Config config;
 
     result = nn::ac::CreateDefaultConfig(&config);
-    COMMON_LOGGER_RESULT_IF_FAILED(result);
-    NN_UTIL_RETURN_IF_FAILED(result);
+    COMMON_LOGGER_RETURN_RESULT_IF_FAILED(result);
 
     result = nn::ac::ConnectWithoutEula(config);
-    COMMON_LOGGER_RESULT_IF_FAILED(result);
-    NN_UTIL_RETURN_IF_FAILED(result);
+    COMMON_LOGGER_RETURN_RESULT_IF_FAILED(result);
 
     COMMON_LOGGER_DETAIL("Success nn::ac::ConnectWithoutEula\n");
 
     result = PrintNetworkSetting();
-    COMMON_LOGGER_RESULT_IF_FAILED(result);
-    NN_UTIL_RETURN_IF_FAILED(result);
+    COMMON_LOGGER_RETURN_RESULT_IF_FAILED(result);
 
     return result;
 }
@@ -240,12 +237,10 @@ nn::Result InitializeInternal()
     nn::Result result;
 
     result = nn::ac::InitializeInternal();
-    COMMON_LOGGER_RESULT_IF_FAILED(result);
-    NN_UTIL_RETURN_IF_FAILED(result);
+    COMMON_LOGGER_RETURN_RESULT_IF_FAILED(result);
 
     result = ConnectNetwork();
-    COMMON_LOGGER_RESULT_IF_FAILED(result);
-    NN_UTIL_RETURN_IF_FAILED(result);
+    COMMON_LOGGER_RETURN_RESULT_IF_FAILED(result);
 
     return result;
 }
@@ -414,7 +409,6 @@ void ShopOperationSingleThreadFunc(ShopThreadParam param)
 
     COMMON_LOGGER_DETAIL("util::ac::Initialize\n");
     result = InitializeInternal();
-    COMMON_LOGGER_RESULT_IF_FAILED(result);
     NIM_SHOP_RESULT_CHECK(result);
 
     switch(param.op)
diff --git a/trunk/ConsoleDataMigration/sources/ConsoleRestore/TitleDownloader.cpp b/trunk/ConsoleDataMigration/sources/ConsoleRestore/TitleDownloader.cpp
index 1588d71..a4ca560 100644
--- a/trunk/ConsoleDataMigration/sources/ConsoleRestore/TitleDownloader.cpp
+++ b/trunk/ConsoleDataMigration/sources/ConsoleRestore/TitleDownloader.cpp
@@ -353,7 +353,7 @@ void TitleDownloader::Start()
         nn::nim::TitleConfig config;
         s64 requiredSize;
         m_Result = GetTitleConfig(m_ProgramIdList[i], &config, &requiredSize);
-        COMMON_LOGGER_RESULT_IF_FAILED(m_Result);
+        COMMON_LOGGER_RETURN_VOID_IF_FAILED(m_Result);
 
         StartShopOperationSingle(SHOP_OPERATION_DOWNLOAD_TITLE, config);
         WaitShopOperationAndFinalize();
diff --git a/trunk/ConsoleDataMigration/sources/common/FileTransfer.cpp b/trunk/ConsoleDataMigration/sources/common/FileTransfer.cpp
index 4bd981e..a754b7a 100644
--- a/trunk/ConsoleDataMigration/sources/common/FileTransfer.cpp
+++ b/trunk/ConsoleDataMigration/sources/common/FileTransfer.cpp
@@ -622,36 +622,21 @@ bool VerifyMac(nn::fs::FileInputStream* sdFile, nn::fs::FileStream* nandFile, s6
     while (1)
     {
         result = nandFile->TryRead(&readSize, buf, bufSize / 2);
-        if (result.IsFailure())
+        COMMON_LOGGER_RETURN_FALSE_IF_FAILED(result);
+        totalReadSize += readSize;
+
+        if (readSize == 0)
         {
-            COMMON_LOGGER_RESULT_IF_FAILED(result);
-            retValue = false;
+            retValue = CalculateAndCompareCmac(&context, sdCmac);
             break;
         }
         else
         {
-            totalReadSize  += readSize;
-
-            if (readSize == 0)
-            {
-                retValue = CalculateAndCompareCmac(&context, sdCmac);
-                break;
-            }
-            else
-            {
-                u8 paddingSize = 0;
-                AddPkcsPadding(&paddingSize, reinterpret_cast<bit8*>(buf), bufSize / 2, &readSize);
-                result = swAesCtrContext.Encrypt(reinterpret_cast<bit8*>(buf) + bufSize / 2, buf, readSize);
-                COMMON_LOGGER_RETURN_FALSE_IF_FAILED(result);
-                context.Update(reinterpret_cast<bit8*>(buf) + bufSize / 2 , readSize);
-
-                if (result.IsFailure())
-                {
-                    COMMON_LOGGER_RESULT_IF_FAILED(result);
-                    retValue = false;
-                    break;
-                }
-            }
+            u8 paddingSize = 0;
+            AddPkcsPadding(&paddingSize, reinterpret_cast<bit8*>(buf), bufSize / 2, &readSize);
+            result = swAesCtrContext.Encrypt(reinterpret_cast<bit8*>(buf) + bufSize / 2, buf, readSize);
+            COMMON_LOGGER_RETURN_FALSE_IF_FAILED(result);
+            context.Update(reinterpret_cast<bit8*>(buf) + bufSize / 2, readSize);
         }
     }
     nandFile->Finalize();
diff --git a/trunk/ConsoleDataMigration/sources/common/SaveDataMover.cpp b/trunk/ConsoleDataMigration/sources/common/SaveDataMover.cpp
index b404822..fcfb130 100644
--- a/trunk/ConsoleDataMigration/sources/common/SaveDataMover.cpp
+++ b/trunk/ConsoleDataMigration/sources/common/SaveDataMover.cpp
@@ -188,7 +188,7 @@ void SaveDataMover::CalculateExportSystemSaveDataSize()
         if(m_Result.IsFailure())
         {
             COMMON_LOGGER_WARN("Can't Export: %08x\n", id);
-            COMMON_LOGGER_RESULT_IF_FAILED(m_Result);
+            COMMON_LOGGER_RETURN_VOID_IF_FAILED(m_Result);
             continue;
         }
 
@@ -251,7 +251,7 @@ void SaveDataMover::ExportSystemSaveData(void* buf, size_t bufSize, u64* progres
         if(m_Result.IsFailure())
         {
             COMMON_LOGGER_WARN("Can't Export: %08x\n", id);
-            COMMON_LOGGER_RESULT_IF_FAILED(m_Result);
+            COMMON_LOGGER_RETURN_VOID_IF_FAILED(m_Result);
             continue;
         }
         NN_LOG("fileSize = %lld\n", input.GetSize());
@@ -267,7 +267,7 @@ void SaveDataMover::ExportSystemSaveData(void* buf, size_t bufSize, u64* progres
             if(m_Result.IsFailure())
             {
                 COMMON_LOGGER_WARN("Can't Export: %08x\n", id);
-                COMMON_LOGGER_RESULT_IF_FAILED(m_Result);
+                COMMON_LOGGER_RETURN_VOID_IF_FAILED(m_Result);
                 continue;
             }
 
@@ -278,7 +278,7 @@ void SaveDataMover::ExportSystemSaveData(void* buf, size_t bufSize, u64* progres
             if(m_Result.IsFailure())
             {
                 COMMON_LOGGER_WARN("Can't Export: %08x\n", id);
-                COMMON_LOGGER_RESULT_IF_FAILED(m_Result);
+                COMMON_LOGGER_RETURN_VOID_IF_FAILED(m_Result);
                 continue;
             }
         }
@@ -391,7 +391,7 @@ void SaveDataMover::ImportSystemSaveData(void* buf, size_t bufSize, u64* progres
         if(m_Result.IsFailure())
         {
             COMMON_LOGGER_WARN("Can't Import: %08x\n", id);
-            COMMON_LOGGER_RESULT_IF_FAILED(m_Result);
+            COMMON_LOGGER_RETURN_VOID_IF_FAILED(m_Result);
             continue;
         }
 
@@ -402,7 +402,7 @@ void SaveDataMover::ImportSystemSaveData(void* buf, size_t bufSize, u64* progres
         if(m_Result.IsFailure())
         {
             COMMON_LOGGER_WARN("Can't Import: %08x\n", id);
-            COMMON_LOGGER_RESULT_IF_FAILED(m_Result);
+            COMMON_LOGGER_RETURN_VOID_IF_FAILED(m_Result);
             continue;
         }
 
@@ -414,7 +414,7 @@ void SaveDataMover::ImportSystemSaveData(void* buf, size_t bufSize, u64* progres
         if(m_Result.IsFailure())
         {
             COMMON_LOGGER_WARN("Can't Import: %08x\n", id);
-            COMMON_LOGGER_RESULT_IF_FAILED(m_Result);
+            COMMON_LOGGER_RETURN_VOID_IF_FAILED(m_Result);
             continue;
         }
     }
diff --git a/trunk/ConsoleDataMigration/sources/common/Util.cpp b/trunk/ConsoleDataMigration/sources/common/Util.cpp
index d76d141..908b4d9 100644
--- a/trunk/ConsoleDataMigration/sources/common/Util.cpp
+++ b/trunk/ConsoleDataMigration/sources/common/Util.cpp
@@ -376,26 +376,18 @@ nn::Result InitializeNetwork(void)
     nn::ac::Config config;
 
     result = nn::ac::InitializeInternal();
-    COMMON_LOGGER_RESULT_IF_FAILED(result);
+    COMMON_LOGGER_RETURN_RESULT_IF_FAILED(result);
 
     // 接続要求用のパラメータを作成
     result = nn::ac::CreateDefaultConfig(&config);
-    if (result.IsFailure())
-    {
-        COMMON_LOGGER_RESULT_IF_FAILED(result);
-        return result;
-    }
+    COMMON_LOGGER_RETURN_RESULT_IF_FAILED(result);
 
     // デバッグ用に接続テストを無効化
     nn::ac::DebugSetNetworkArea(&config, nn::ac::NETWORK_AREA_LAN);
 
     // 接続要求を発行
     result = nn::ac::ConnectWithoutEula(config);
-    if (result.IsFailure())
-    {
-        COMMON_LOGGER_RESULT_IF_FAILED(result);
-        return result;
-    }
+    COMMON_LOGGER_RETURN_RESULT_IF_FAILED(result);
 
     return nn::ResultSuccess();
 }
@@ -406,10 +398,10 @@ nn::Result FinalizeNetwork(void)
 
     // 接続要求用のパラメータを作成
     result = nn::ac::Close();
-    NN_UTIL_RETURN_IF_FAILED(result);
+    COMMON_LOGGER_RETURN_RESULT_IF_FAILED(result);
 
     result = nn::ac::FinalizeInternal();
-    COMMON_LOGGER_RESULT_IF_FAILED(result);
+    COMMON_LOGGER_RETURN_RESULT_IF_FAILED(result);
 
     return nn::ResultSuccess();
 }
diff --git a/trunk/ConsoleDataMigration/sources/tools/CmacAdder/main.cpp b/trunk/ConsoleDataMigration/sources/tools/CmacAdder/main.cpp
index 3d6e33a..2899c7a 100644
--- a/trunk/ConsoleDataMigration/sources/tools/CmacAdder/main.cpp
+++ b/trunk/ConsoleDataMigration/sources/tools/CmacAdder/main.cpp
@@ -102,24 +102,16 @@ bool AddCmac(const wchar_t * from_path, void* buf, const size_t bufSize)
     bool ret_value = true;
 
     nn::Result result = from_dir.TryInitialize(from_path);
-
-    if (result.IsFailure())
-    {
-        COMMON_LOGGER_RESULT_IF_FAILED(result);
-        return false;
-    }
+    COMMON_LOGGER_RETURN_FALSE_IF_FAILED(result);
 
     // 出力先ディレクトリを削除してから作成
     const wchar_t* CMAC_DIR = L"CmacAdded";
     targetDirectory << from_path << CMAC_DIR;
     result = nn::fs::TryDeleteDirectoryRecursively(targetDirectory.str().c_str());
-    COMMON_LOGGER_RESULT_IF_FAILED(result);
+    COMMON_LOGGER_RETURN_FALSE_IF_FAILED(result);
+
     result = nn::fs::TryCreateDirectory(targetDirectory.str().c_str());
-    if (result.IsFailure())
-    {
-        COMMON_LOGGER_RESULT_IF_FAILED(result);
-        return false;
-    }
+    COMMON_LOGGER_RETURN_FALSE_IF_FAILED(result);
 
     while (1)
     {
diff --git a/trunk/ConsoleDataMigration/sources/tools/ExportedDataDecrypter/main.cpp b/trunk/ConsoleDataMigration/sources/tools/ExportedDataDecrypter/main.cpp
index 2a52c2c..d1d4e7e 100644
--- a/trunk/ConsoleDataMigration/sources/tools/ExportedDataDecrypter/main.cpp
+++ b/trunk/ConsoleDataMigration/sources/tools/ExportedDataDecrypter/main.cpp
@@ -160,11 +160,7 @@ bool CalculateAndCompareCmac(nn::crypto::Sha256Context* context, bit8* sdCmac)
     context->Finalize();
 
     result = nn::crypto::CalculateAesCmacSw(cmac, sha256Hash, sizeof(sha256Hash), common::cmacKey);
-    if (result.IsFailure())
-    {
-        COMMON_LOGGER_RESULT_IF_FAILED(result);
-        return false;
-    }
+    COMMON_LOGGER_RETURN_FALSE_IF_FAILED(result);
 
     if(std::memcmp(cmac, sdCmac, sizeof(cmac)) != 0)
     {
@@ -198,12 +194,7 @@ bool DecryptDirectory(const wchar_t * from_path, const wchar_t* to_path, void* b
     bool ret_value = true;
 
     nn::Result result = from_dir.TryInitialize(from_path);
-
-    if (result.IsFailure())
-    {
-        COMMON_LOGGER_RESULT_IF_FAILED(result);
-        return false;
-    }
+    COMMON_LOGGER_RETURN_FALSE_IF_FAILED(result);
 
     while (1)
     {
@@ -266,13 +257,8 @@ bool DecryptDirectory(const wchar_t * from_path, const wchar_t* to_path, void* b
 
 
             result = sdFile.TryGetSize(&sdFileSize);
-            if (result.IsFailure())
-            {
-                COMMON_LOGGER_RESULT_IF_FAILED(result);
-                ret_value = false;
-                break;
-            }
-            else
+            COMMON_LOGGER_RETURN_FALSE_IF_FAILED(result);
+
             {
 
                 bit8 sdCmac[nn::crypto::AES_CMAC_MAC_SIZE];
@@ -286,20 +272,10 @@ bool DecryptDirectory(const wchar_t * from_path, const wchar_t* to_path, void* b
                 s32 readSize;
                 // ハッシュを取得する
                 result = sdFile.TrySetPosition(sdFileSize - nn::crypto::AES_CMAC_MAC_SIZE);
-                if (result.IsSuccess())
-                {
-                    result = sdFile.TryRead(&readSize, sdCmac, sizeof(sdCmac));
-                    if (result.IsFailure())
-                    {
-                        COMMON_LOGGER_RESULT_IF_FAILED(result);
-                        return false;
-                    }
-                }
-                else
-                {
-                    COMMON_LOGGER_RESULT_IF_FAILED(result);
-                    return false;
-                }
+                COMMON_LOGGER_RETURN_FALSE_IF_FAILED(result);
+
+                result = sdFile.TryRead(&readSize, sdCmac, sizeof(sdCmac));
+                COMMON_LOGGER_RETURN_FALSE_IF_FAILED(result);
 
                 sdFile.SetPosition(0);
 
@@ -324,16 +300,12 @@ bool DecryptDirectory(const wchar_t * from_path, const wchar_t* to_path, void* b
                 BackupDataHeader dec;
                 std::memset(&enc, 0, sizeof(enc));
                 std::memset(&dec, 0, sizeof(dec));
-                sdFile.TryRead(&readSize, &enc, sizeof(enc));
-                COMMON_LOGGER_RESULT_IF_FAILED(result);
-                if(result.IsFailure())
-                {
-                    ret_value = false;
-                    break;
-                }
+                result = sdFile.TryRead(&readSize, &enc, sizeof(enc));
+                COMMON_LOGGER_RETURN_FALSE_IF_FAILED(result);
                 totalReadSize += readSize;
                 context.Update(&enc, sizeof(enc));
-                swAesCtrContext.Decrypt(&dec, &enc, sizeof(enc));
+                result = swAesCtrContext.Decrypt(&dec, &enc, sizeof(enc));
+                COMMON_LOGGER_RETURN_FALSE_IF_FAILED(result);
 
                 // 書き込み対象ファイル作成
                 s32 writeSize;
@@ -347,15 +319,9 @@ bool DecryptDirectory(const wchar_t * from_path, const wchar_t* to_path, void* b
                 while (1)
                 {
                     result = sdFile.TryRead(&readSize, buf, bufSize / 2);
+                    COMMON_LOGGER_RETURN_FALSE_IF_FAILED(result);
                     totalReadSize += readSize;
 
-                    if (result.IsFailure())
-                    {
-                        COMMON_LOGGER_RESULT_IF_FAILED(result);
-                        ret_value = false;
-                        break;
-                    }
-                    else
                     {
                         if (readSize == 0)
                         {
diff --git a/trunk/ConsoleDataMigration/sources/tools/ExportedDataVerifier/main.cpp b/trunk/ConsoleDataMigration/sources/tools/ExportedDataVerifier/main.cpp
index c923fc5..063f1f6 100644
--- a/trunk/ConsoleDataMigration/sources/tools/ExportedDataVerifier/main.cpp
+++ b/trunk/ConsoleDataMigration/sources/tools/ExportedDataVerifier/main.cpp
@@ -147,11 +147,7 @@ bool CalculateAndCompareCmac(nn::crypto::Sha256Context* context, bit8* sdCmac)
     context->Finalize();
 
     result = nn::crypto::CalculateAesCmacSw(cmac, sha256Hash, sizeof(sha256Hash), common::cmacKey);
-    if (result.IsFailure())
-    {
-        COMMON_LOGGER_RESULT_IF_FAILED(result);
-        return false;
-    }
+    COMMON_LOGGER_RETURN_FALSE_IF_FAILED(result);
 
     if(std::memcmp(cmac, sdCmac, sizeof(cmac)) != 0)
     {
@@ -184,12 +180,7 @@ bool VerifyDirectory(const wchar_t * from_path, void* buf,
     bool ret_value = true;
 
     nn::Result result = from_dir.TryInitialize(from_path);
-
-    if (result.IsFailure())
-    {
-        COMMON_LOGGER_RESULT_IF_FAILED(result);
-        return false;
-    }
+    COMMON_LOGGER_RETURN_FALSE_IF_FAILED(result);
 
     while (1)
     {
@@ -237,13 +228,7 @@ bool VerifyDirectory(const wchar_t * from_path, void* buf,
             }
 
             result = sdFile.TryGetSize(&sdFileSize);
-            if (result.IsFailure())
-            {
-                COMMON_LOGGER_RESULT_IF_FAILED(result);
-                ret_value = false;
-                break;
-            }
-            else
+            COMMON_LOGGER_RETURN_FALSE_IF_FAILED(result);
             {
 
                 bit8 sdCmac[nn::crypto::AES_CMAC_MAC_SIZE];
@@ -257,20 +242,9 @@ bool VerifyDirectory(const wchar_t * from_path, void* buf,
                 s32 readSize;
                 // ハッシュを取得する
                 result = sdFile.TrySetPosition(sdFileSize - nn::crypto::AES_CMAC_MAC_SIZE);
-                if (result.IsSuccess())
-                {
-                    result = sdFile.TryRead(&readSize, sdCmac, sizeof(sdCmac));
-                    if (result.IsFailure())
-                    {
-                        COMMON_LOGGER_RESULT_IF_FAILED(result);
-                        return false;
-                    }
-                }
-                else
-                {
-                    COMMON_LOGGER_RESULT_IF_FAILED(result);
-                    return false;
-                }
+                COMMON_LOGGER_RETURN_FALSE_IF_FAILED(result);
+                result = sdFile.TryRead(&readSize, sdCmac, sizeof(sdCmac));
+                COMMON_LOGGER_RETURN_FALSE_IF_FAILED(result);
 
                 sdFile.SetPosition(0);
 
@@ -295,13 +269,8 @@ bool VerifyDirectory(const wchar_t * from_path, void* buf,
                 BackupDataHeader dec;
                 std::memset(&enc, 0, sizeof(enc));
                 std::memset(&dec, 0, sizeof(dec));
-                sdFile.TryRead(&readSize, &enc, sizeof(enc));
-                COMMON_LOGGER_RESULT_IF_FAILED(result);
-                if(result.IsFailure())
-                {
-                    ret_value = false;
-                    break;
-                }
+                result = sdFile.TryRead(&readSize, &enc, sizeof(enc));
+                COMMON_LOGGER_RETURN_FALSE_IF_FAILED(result);
                 totalReadSize += readSize;
                 context.Update(&enc, sizeof(enc));
                 swAesCtrContext.Decrypt(&dec, &enc, sizeof(enc));
@@ -309,15 +278,9 @@ bool VerifyDirectory(const wchar_t * from_path, void* buf,
                 while (1)
                 {
                     result = sdFile.TryRead(&readSize, buf, bufSize);
+                    COMMON_LOGGER_RETURN_FALSE_IF_FAILED(result);
                     totalReadSize += readSize;
 
-                    if (result.IsFailure())
-                    {
-                        COMMON_LOGGER_RESULT_IF_FAILED(result);
-                        ret_value = false;
-                        break;
-                    }
-                    else
                     {
                         if (readSize == 0)
                         {
diff --git a/trunk/ConsoleDataMigration/sources/tools/FatDataEncrypter/main.cpp b/trunk/ConsoleDataMigration/sources/tools/FatDataEncrypter/main.cpp
index 4e0263d..2da277d 100644
--- a/trunk/ConsoleDataMigration/sources/tools/FatDataEncrypter/main.cpp
+++ b/trunk/ConsoleDataMigration/sources/tools/FatDataEncrypter/main.cpp
@@ -155,12 +155,7 @@ bool EncryptDirectory(const wchar_t * from_path, void* buf,
     bool ret_value = true;
 
     nn::Result result = from_dir.TryInitialize(from_path);
-
-    if (result.IsFailure())
-    {
-        COMMON_LOGGER_RESULT_IF_FAILED(result);
-        return false;
-    }
+    COMMON_LOGGER_RETURN_FALSE_IF_FAILED(result);
 
     while (1)
     {