diff options
Diffstat (limited to 'SecurityPkg/Library')
-rw-r--r-- | SecurityPkg/Library/DxeTcgPhysicalPresenceLib/DxeTcgPhysicalPresenceLib.c | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/SecurityPkg/Library/DxeTcgPhysicalPresenceLib/DxeTcgPhysicalPresenceLib.c b/SecurityPkg/Library/DxeTcgPhysicalPresenceLib/DxeTcgPhysicalPresenceLib.c index 174172d..7cd3ddf 100644 --- a/SecurityPkg/Library/DxeTcgPhysicalPresenceLib/DxeTcgPhysicalPresenceLib.c +++ b/SecurityPkg/Library/DxeTcgPhysicalPresenceLib/DxeTcgPhysicalPresenceLib.c @@ -102,9 +102,13 @@ GetTpmCapability ( sizeof (RecvBuffer),
(UINT8*)&RecvBuffer
);
- ASSERT_EFI_ERROR (Status);
- ASSERT (TpmRsp->tag == SwapBytes16 (TPM_TAG_RSP_COMMAND));
- ASSERT (TpmRsp->returnCode == 0);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ if ((TpmRsp->tag != SwapBytes16 (TPM_TAG_RSP_COMMAND)) || (TpmRsp->returnCode != 0)) {
+ return EFI_DEVICE_ERROR;
+ }
TpmPermanentFlags = (TPM_PERMANENT_FLAGS *)&RecvBuffer[sizeof (TPM_RSP_COMMAND_HDR) + sizeof (UINT32)];
@@ -157,8 +161,14 @@ TpmPhysicalPresence ( sizeof (TpmRsp),
(UINT8*)&TpmRsp
);
- ASSERT_EFI_ERROR (Status);
- ASSERT (TpmRsp.tag == SwapBytes16 (TPM_TAG_RSP_COMMAND));
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ if (TpmRsp.tag != SwapBytes16 (TPM_TAG_RSP_COMMAND)) {
+ return EFI_DEVICE_ERROR;
+ }
+
if (TpmRsp.returnCode != 0) {
//
// If it fails, some requirements may be needed for this command.
@@ -1273,7 +1283,10 @@ TcgPhysicalPresenceLibProcessRequest ( //
// Set operator physical presence flags
//
- TpmPhysicalPresence (TcgProtocol, TPM_PHYSICAL_PRESENCE_PRESENT);
+ Status = TpmPhysicalPresence (TcgProtocol, TPM_PHYSICAL_PRESENCE_PRESENT);
+ if (EFI_ERROR (Status)) {
+ return;
+ }
//
// Execute pending TPM request.
|