1 files changed, 11 insertions, 1 deletions
diff --git a/SecurityPkg/Library/Tpm12CommandLib/Tpm12GetCapability.c b/SecurityPkg/Library/Tpm12CommandLib/Tpm12GetCapability.c
index c33746a0b1..c6eb9e1050 100644
--- a/SecurityPkg/Library/Tpm12CommandLib/Tpm12GetCapability.c
+++ b/SecurityPkg/Library/Tpm12CommandLib/Tpm12GetCapability.c
@@ -1,7 +1,7 @@
 /** @file
   Implement TPM1.2 Get Capabilities related commands.
 
-Copyright (c) 2016, Intel Corporation. All rights reserved. <BR>
+Copyright (c) 2016 - 2017, Intel Corporation. All rights reserved. <BR>
 This program and the accompanying materials
 are licensed and made available under the terms and conditions of the BSD License
 which accompanies this distribution.  The full text of the license may be found at
@@ -79,6 +79,11 @@ Tpm12GetCapabilityFlagPermanent (
     return Status;
   }
 
+  if (SwapBytes32 (Response.Hdr.returnCode) != TPM_SUCCESS) {
+    DEBUG ((DEBUG_ERROR, "Tpm12GetCapabilityFlagPermanent: Response Code error! 0x%08x\r\n", SwapBytes32 (Response.Hdr.returnCode)));
+    return EFI_DEVICE_ERROR;
+  }
+
   ZeroMem (TpmPermanentFlags, sizeof (*TpmPermanentFlags));
   CopyMem (TpmPermanentFlags, &Response.Flags, MIN (sizeof (*TpmPermanentFlags), Response.ResponseSize));
 
@@ -120,6 +125,11 @@ Tpm12GetCapabilityFlagVolatile (
     return Status;
   }
 
+  if (SwapBytes32 (Response.Hdr.returnCode) != TPM_SUCCESS) {
+    DEBUG ((DEBUG_ERROR, "Tpm12GetCapabilityFlagVolatile: Response Code error! 0x%08x\r\n", SwapBytes32 (Response.Hdr.returnCode)));
+    return EFI_DEVICE_ERROR;
+  }
+
   ZeroMem (VolatileFlags, sizeof (*VolatileFlags));
   CopyMem (VolatileFlags, &Response.Flags, MIN (sizeof (*VolatileFlags), Response.ResponseSize));