MdeModulePkg VariableInfo: Fix GCC build failure

GCC build failure: 'RealCommSize' may be used uninitialized

Cc: Jiewen Yao <jiewen.yao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Giri P Mudusuru <giri.p.mudusuru@intel.com>

diff --git a/MdeModulePkg/Application/VariableInfo/VariableInfo.c b/MdeModulePkg/Application/VariableInfo/VariableInfo.c
index df91c1451c194304d83f810dd7c6c6f3a7ed8b4d..a88b7f1ec42ce8f4878c5654e4f012eec9568b3e 100644 (file)
--- a/MdeModulePkg/Application/VariableInfo/VariableInfo.c
+++ b/MdeModulePkg/Application/VariableInfo/VariableInfo.c
@@ -104,6 +104,7 @@ PrintInfoFromSmm (
   }\r
 \r
   CommBuffer = NULL;\r
+  RealCommSize = 0;\r
   Status = EfiGetSystemConfigurationTable (\r
              &gEdkiiPiSmmCommunicationRegionTableGuid,\r
              (VOID **) &PiSmmCommunicationRegionTable\r