diff options
| author | Zhichao Gao <zhichao.gao@intel.com> | 2019-12-16 09:18:55 +0800 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2020-02-07 07:22:11 +0000 |
| commit | 01712e65089297581036f17c0dca2801f4b694b3 (patch) | |
| tree | 8d78ccd1c64aa33784818af3b3a4d502eddd76e1 /SecurityPkg | |
| parent | c6a6193d122a9cb0d11373b8fa43ce95724271f7 (diff) | |
| download | edk2-01712e65089297581036f17c0dca2801f4b694b3.tar.gz | |
SecurityPkg/TcgPhysicalPresenceLib: Replace the ASSERT with error code
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2472
Replace the ASSERT with the error code return in the TpmPhysicalPresence
and GetTpmCapability.
Add missing error checking after call TpmPhysicalPresence in
TcgPhysicalPresenceLibProcessRequest.
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Chao Zhang <chao.b.zhang@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
Signed-off-by: Zhichao Gao <zhichao.gao@intel.com>
Diffstat (limited to 'SecurityPkg')
| -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 174172d5d7..7cd3ddfc1b 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.
|