X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=SecurityPkg%2FLibrary%2FDxeTcg2PhysicalPresenceLib%2FDxeTcg2PhysicalPresenceLib.c;h=e34fd8da25720e4bb2dfccf93686659f3c32d463;hp=8912ee4108e329e367b5679198fe4d572d650536;hb=c31313da22176002010abbcfcf5d5c5200d182ec;hpb=0e47ac1535a5fff47b088c30a72d1abe7c817d37

diff --git a/SecurityPkg/Library/DxeTcg2PhysicalPresenceLib/DxeTcg2PhysicalPresenceLib.c b/SecurityPkg/Library/DxeTcg2PhysicalPresenceLib/DxeTcg2PhysicalPresenceLib.c
index 8912ee4108..e34fd8da25 100644
--- a/SecurityPkg/Library/DxeTcg2PhysicalPresenceLib/DxeTcg2PhysicalPresenceLib.c
+++ b/SecurityPkg/Library/DxeTcg2PhysicalPresenceLib/DxeTcg2PhysicalPresenceLib.c
@@ -225,7 +225,7 @@ Tpm2CommandAllocPcr (
              );
   DEBUG ((EFI_D_INFO, "Tpm2PcrAllocate - %r\n", Status));
   if (EFI_ERROR (Status)) {
-    return Status;
+    goto Done;
   }
 
   DEBUG ((EFI_D_INFO, "AllocationSuccess - %02x\n", AllocationSuccess));
@@ -233,7 +233,9 @@ Tpm2CommandAllocPcr (
   DEBUG ((EFI_D_INFO, "SizeNeeded        - %08x\n", SizeNeeded));
   DEBUG ((EFI_D_INFO, "SizeAvailable     - %08x\n", SizeAvailable));
 
-  return EFI_SUCCESS;
+Done:
+  ZeroMem(&LocalAuthSession.hmac, sizeof(LocalAuthSession.hmac));
+  return Status;
 }
 
 /**
@@ -264,6 +266,8 @@ Tpm2CommandChangeEps (
 
   Status = Tpm2ChangeEPS (TPM_RH_PLATFORM, AuthSession);
   DEBUG ((EFI_D_INFO, "Tpm2ChangeEPS - %r\n", Status));
+
+  ZeroMem(&LocalAuthSession.hmac, sizeof(LocalAuthSession.hmac));
   return Status;
 }