BaseTool/VfrCompile: Fix potential memory leak issue

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=771

Cc: Eric Dong <eric.dong@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Dandan Bi <dandan.bi@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

diff --git a/BaseTools/Source/C/VfrCompile/VfrUtilityLib.cpp b/BaseTools/Source/C/VfrCompile/VfrUtilityLib.cpp
index 9bdc54462c0c8d24b4b905aaf8a518c7325672cf..5cab7bbfa1afdeee0a56e7d8b45f319ff0d81267 100644 (file)
--- a/BaseTools/Source/C/VfrCompile/VfrUtilityLib.cpp
+++ b/BaseTools/Source/C/VfrCompile/VfrUtilityLib.cpp
@@ -3504,6 +3504,10 @@ CVfrStringDB::SetStringFileName(IN CHAR8 *StringFileName)
     return;\r
   }\r
 \r
+  if (mStringFileName != NULL) {\r
+    delete[] mStringFileName;\r
+  }\r
+\r
   FileLen = strlen (StringFileName) + 1;\r
   mStringFileName = new CHAR8[FileLen];\r
   if (mStringFileName == NULL) {\r