mirror of https://github.com/acidanthera/audk.git
Add check to avoid null pointer deference.
Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com> Reviewed-by: Eric Dong <eric.dong@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15410 6f19259b-4bc3-4df7-8a09-765794883524
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@ -217,6 +217,9 @@ BdsLibRegisterNewOption (
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UINT16 BootOrderEntry;
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UINTN OrderItemNum;
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if (DevicePath == NULL) {
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return EFI_INVALID_PARAMETER;
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}
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OptionPtr = NULL;
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OptionSize = 0;
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@ -1551,7 +1554,9 @@ SetVariableAndReportStatusCodeOnError (
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SetVariableStatus->SetStatus = Status;
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SetVariableStatus->Attributes = Attributes;
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CopyMem (SetVariableStatus + 1, VariableName, NameSize);
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CopyMem (((UINT8 *) (SetVariableStatus + 1)) + NameSize, Data, DataSize);
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if ((Data != NULL) && (DataSize != 0)) {
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CopyMem (((UINT8 *) (SetVariableStatus + 1)) + NameSize, Data, DataSize);
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}
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REPORT_STATUS_CODE_EX (
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EFI_ERROR_CODE,
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@ -408,19 +408,18 @@ InitializeLangVariable (
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IN BOOLEAN Iso639Language
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)
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{
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EFI_STATUS Status;
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CHAR8 *Lang;
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//
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// Find current Lang or PlatformLang from EFI Variable.
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//
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Status = GetEfiGlobalVariable2 (LangName, (VOID **) &Lang, NULL);
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GetEfiGlobalVariable2 (LangName, (VOID **) &Lang, NULL);
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//
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// If Lang or PlatformLang variable is not found,
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// or it has been set to an unsupported value(not one of the supported language codes),
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// set the default language code to it.
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//
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if (EFI_ERROR (Status) || !IsLangInSupportedLangCodes (SupportedLang, Lang, Iso639Language)) {
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if ((Lang == NULL) || !IsLangInSupportedLangCodes (SupportedLang, Lang, Iso639Language)) {
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//
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// The default language code should be one of the supported language codes.
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//
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