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| author | Star Zeng <star.zeng@intel.com> | 2013-07-11 08:18:56 +0000 |
|---|---|---|
| committer | lzeng14 <lzeng14@6f19259b-4bc3-4df7-8a09-765794883524> | 2013-07-11 08:18:56 +0000 |
| commit | 41982ebbc5dccfe7db8f099601a0e77e2a9db3e1 (patch) | |
| tree | a43b7ddb7fa55fe337cb1d529f0dd63a08321081 /SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmm.c | |
| parent | 2c4b18e09590e50c95b95fd485144d00b3b7f39f (diff) | |
| download | edk2-platforms-41982ebbc5dccfe7db8f099601a0e77e2a9db3e1.tar.xz | |
SecurityPkg Variable: Add the check for PcdFlashNvStorageVariableSize <= PcdFlashNvStorageFtwSpareSize.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14464 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmm.c')
| -rw-r--r-- | SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmm.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmm.c b/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmm.c index 0be4f254d7..eaef8d182c 100644 --- a/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmm.c +++ b/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmm.c @@ -797,6 +797,7 @@ SmmFtwNotificationEvent ( EFI_SMM_FIRMWARE_VOLUME_BLOCK_PROTOCOL *FvbProtocol;
EFI_SMM_FAULT_TOLERANT_WRITE_PROTOCOL *FtwProtocol;
EFI_PHYSICAL_ADDRESS NvStorageVariableBase;
+ UINTN FtwMaxBlockSize;
if (mVariableModuleGlobal->FvbInstance != NULL) {
return EFI_SUCCESS;
@@ -810,6 +811,11 @@ SmmFtwNotificationEvent ( return Status;
}
+ Status = FtwProtocol->GetMaxBlockSize (FtwProtocol, &FtwMaxBlockSize);
+ if (!EFI_ERROR (Status)) {
+ ASSERT (PcdGet32 (PcdFlashNvStorageVariableSize) <= FtwMaxBlockSize);
+ }
+
//
// Find the proper FVB protocol for variable.
//
|