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| author | Star Zeng <star.zeng@intel.com> | 2015-03-09 13:03:42 +0000 |
|---|---|---|
| committer | lzeng14 <lzeng14@Edk2> | 2015-03-09 13:03:42 +0000 |
| commit | 82e47eb22f1873835ef38e2941e266adfe1ff836 (patch) | |
| tree | 526a0e18530483c10c301df84e09c87dc28bb9d6 | |
| parent | 33f413f0d6d7620843717bbe1f22bf8d054a478f (diff) | |
| download | edk2-82e47eb22f1873835ef38e2941e266adfe1ff836.tar.gz edk2-82e47eb22f1873835ef38e2941e266adfe1ff836.tar.bz2 edk2-82e47eb22f1873835ef38e2941e266adfe1ff836.zip | |
MdeModulePkg Variable: Keep the behavior of Variable Dxe and SMM drivers consistent
to return EFI_NOT_FOUND when a specified variable doesn't exist and
Data parameter is NULL but DataSize parameter is valid in GetVariable() invocation.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17030 6f19259b-4bc3-4df7-8a09-765794883524
| -rw-r--r-- | MdeModulePkg/Universal/Variable/RuntimeDxe/VariableSmmRuntimeDxe.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/MdeModulePkg/Universal/Variable/RuntimeDxe/VariableSmmRuntimeDxe.c b/MdeModulePkg/Universal/Variable/RuntimeDxe/VariableSmmRuntimeDxe.c index 873930ce67..3a87298160 100644 --- a/MdeModulePkg/Universal/Variable/RuntimeDxe/VariableSmmRuntimeDxe.c +++ b/MdeModulePkg/Universal/Variable/RuntimeDxe/VariableSmmRuntimeDxe.c @@ -459,10 +459,6 @@ RuntimeServiceGetVariable ( return EFI_INVALID_PARAMETER;
}
- if ((*DataSize != 0) && (Data == NULL)) {
- return EFI_INVALID_PARAMETER;
- }
-
TempDataSize = *DataSize;
VariableNameSize = StrSize (VariableName);
SmmVariableHeader = NULL;
@@ -527,7 +523,11 @@ RuntimeServiceGetVariable ( goto Done;
}
- CopyMem (Data, (UINT8 *)SmmVariableHeader->Name + SmmVariableHeader->NameSize, SmmVariableHeader->DataSize);
+ if (Data != NULL) {
+ CopyMem (Data, (UINT8 *)SmmVariableHeader->Name + SmmVariableHeader->NameSize, SmmVariableHeader->DataSize);
+ } else {
+ Status = EFI_INVALID_PARAMETER;
+ }
Done:
ReleaseLockOnlyAtBootTime (&mVariableServicesLock);
|