Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Yonghong Zhu <yonghong.zhu@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Star Zeng <star.zeng@intel.com>
---
 MdeModulePkg/Application/CapsuleApp/CapsuleApp.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/MdeModulePkg/Application/CapsuleApp/CapsuleApp.c b/MdeModulePkg/Application/CapsuleApp/CapsuleApp.c
index 80b66bc6f371..a83ebf3d101b 100644
--- a/MdeModulePkg/Application/CapsuleApp/CapsuleApp.c
+++ b/MdeModulePkg/Application/CapsuleApp/CapsuleApp.c
@@ -850,10 +850,17 @@ UefiMain (
     }
     return EFI_SUCCESS;
   }
+
   if (StrCmp(Argv[1], L"-E") == 0) {
     DumpEsrtData();
     return EFI_SUCCESS;
   }
+
+  if (Argv[1][0] == L'-') {
+    Print(L"CapsuleApp: Unrecognized option(%s).\n", Argv[1]);
+    return EFI_UNSUPPORTED;
+  }
+
   CapsuleFirstIndex = 1;
   NoReset = FALSE;
   if ((Argc > 1) && (StrCmp(Argv[Argc - 1], L"-NR") == 0)) {
-- 
2.7.0.windows.1

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