BaseTools:change some incorrect parameter defaults

[mirror_edk2.git] / BaseTools / Source / Python / GenFds / Region.py

diff --git a/BaseTools/Source/Python/GenFds/Region.py b/BaseTools/Source/Python/GenFds/Region.py
index 7d5a3ab1737a52f77d0bf465df1073ef80cc4a3f..e95cfcf965d2f21990cff7fadcd491077abc2e16 100644 (file)
--- a/BaseTools/Source/Python/GenFds/Region.py
+++ b/BaseTools/Source/Python/GenFds/Region.py
@@ -73,8 +73,10 @@ class Region(object):
     #   @retval string      Generated FV file path\r
     #\r
 \r
-    def AddToBuffer(self, Buffer, BaseAddress, BlockSizeList, ErasePolarity, ImageBinDict,  MacroDict={}, Flag=False):\r
+    def AddToBuffer(self, Buffer, BaseAddress, BlockSizeList, ErasePolarity, ImageBinDict,  MacroDict=None, Flag=False):\r
         Size = self.Size\r
+        if MacroDict is None:\r
+            MacroDict = {}\r
         if not Flag:\r
             GenFdsGlobalVariable.InfLogger('\nGenerate Region at Offset 0x%X' % self.Offset)\r
             GenFdsGlobalVariable.InfLogger("   Region Size = 0x%X" % Size)\r