diff options
| author | ydong10 <ydong10@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-09-01 08:44:08 +0000 |
|---|---|---|
| committer | ydong10 <ydong10@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-09-01 08:44:08 +0000 |
| commit | 1b5592bf15b1d4de77f4deb9a8f409edab984067 (patch) | |
| tree | 2d6bc4c8f655155361549713900604285ce040be /IntelFrameworkModulePkg/Universal | |
| parent | 3857083c074c482b3a96054f3ad38d9d95a385d9 (diff) | |
| download | edk2-platforms-1b5592bf15b1d4de77f4deb9a8f409edab984067.tar.xz | |
Check the pointer before use it.
Signed-off-by:ydong10
Reviewed-by:vanjeff
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12251 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'IntelFrameworkModulePkg/Universal')
| -rw-r--r-- | IntelFrameworkModulePkg/Universal/Acpi/AcpiSupportDxe/AcpiSupportAcpiSupportProtocol.c | 141 |
1 files changed, 72 insertions, 69 deletions
diff --git a/IntelFrameworkModulePkg/Universal/Acpi/AcpiSupportDxe/AcpiSupportAcpiSupportProtocol.c b/IntelFrameworkModulePkg/Universal/Acpi/AcpiSupportDxe/AcpiSupportAcpiSupportProtocol.c index 6312e2ba36..1a28f02933 100644 --- a/IntelFrameworkModulePkg/Universal/Acpi/AcpiSupportDxe/AcpiSupportAcpiSupportProtocol.c +++ b/IntelFrameworkModulePkg/Universal/Acpi/AcpiSupportDxe/AcpiSupportAcpiSupportProtocol.c @@ -804,45 +804,46 @@ AddTableToList ( &Buffer64,
sizeof (UINT64)
);
- }
- //
- // RSDP OEM information is updated to match the FADT OEM information
- //
- CopyMem (
- &AcpiSupportInstance->Rsdp3->OemId,
- &AcpiSupportInstance->Fadt3->Header.OemId,
- 6
- );
- //
- // RSDT OEM information is updated to match FADT OEM information.
- //
- CopyMem (
- &AcpiSupportInstance->Rsdt3->OemId,
- &AcpiSupportInstance->Fadt3->Header.OemId,
- 6
- );
- CopyMem (
- &AcpiSupportInstance->Rsdt3->OemTableId,
- &AcpiSupportInstance->Fadt3->Header.OemTableId,
- sizeof (UINT64)
- );
- AcpiSupportInstance->Rsdt3->OemRevision = AcpiSupportInstance->Fadt3->Header.OemRevision;
+ //
+ // RSDP OEM information is updated to match the FADT OEM information
+ //
+ CopyMem (
+ &AcpiSupportInstance->Rsdp3->OemId,
+ &AcpiSupportInstance->Fadt3->Header.OemId,
+ 6
+ );
- //
- // XSDT OEM information is updated to match FADT OEM information.
- //
- CopyMem (
- &AcpiSupportInstance->Xsdt->OemId,
- &AcpiSupportInstance->Fadt3->Header.OemId,
- 6
- );
- CopyMem (
- &AcpiSupportInstance->Xsdt->OemTableId,
- &AcpiSupportInstance->Fadt3->Header.OemTableId,
- sizeof (UINT64)
- );
- AcpiSupportInstance->Xsdt->OemRevision = AcpiSupportInstance->Fadt3->Header.OemRevision;
+ //
+ // RSDT OEM information is updated to match FADT OEM information.
+ //
+ CopyMem (
+ &AcpiSupportInstance->Rsdt3->OemId,
+ &AcpiSupportInstance->Fadt3->Header.OemId,
+ 6
+ );
+ CopyMem (
+ &AcpiSupportInstance->Rsdt3->OemTableId,
+ &AcpiSupportInstance->Fadt3->Header.OemTableId,
+ sizeof (UINT64)
+ );
+ AcpiSupportInstance->Rsdt3->OemRevision = AcpiSupportInstance->Fadt3->Header.OemRevision;
+
+ //
+ // XSDT OEM information is updated to match FADT OEM information.
+ //
+ CopyMem (
+ &AcpiSupportInstance->Xsdt->OemId,
+ &AcpiSupportInstance->Fadt3->Header.OemId,
+ 6
+ );
+ CopyMem (
+ &AcpiSupportInstance->Xsdt->OemTableId,
+ &AcpiSupportInstance->Fadt3->Header.OemTableId,
+ sizeof (UINT64)
+ );
+ AcpiSupportInstance->Xsdt->OemRevision = AcpiSupportInstance->Fadt3->Header.OemRevision;
+ }
}
//
// Checksum the table
@@ -1336,40 +1337,42 @@ DeleteTable ( // Init locals
//
RemoveFromRsdt = TRUE;
- CurrentTableSignature = ((EFI_ACPI_COMMON_HEADER *) Table->Table)->Signature;
-
- //
- // Basic tasks to accomplish delete are:
- // Determine removal requirements (in RSDT/XSDT or not)
- // Remove entry from RSDT/XSDT
- // Remove any table references to the table
- // If no one is using the table
- // Free the table (removing pointers from private data and tables)
- // Remove from list
- // Free list structure
- //
- //
- // Determine if this table is in the RSDT or XSDT
- //
- if ((CurrentTableSignature == EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE) ||
- (CurrentTableSignature == EFI_ACPI_2_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE) ||
- (CurrentTableSignature == EFI_ACPI_3_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE)
- ) {
- RemoveFromRsdt = FALSE;
- }
- //
- // We don't remove the FADT in the standard way because some
- // OS expect the FADT to be early in the table list.
- // So we always put it as the first element in the list.
- //
- if (CurrentTableSignature == EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE) {
- RemoveFromRsdt = FALSE;
- }
- //
- // Remove the table from RSDT and XSDT
- //
if (Table->Table != NULL) {
+ CurrentTableSignature = ((EFI_ACPI_COMMON_HEADER *) Table->Table)->Signature;
+
+ //
+ // Basic tasks to accomplish delete are:
+ // Determine removal requirements (in RSDT/XSDT or not)
+ // Remove entry from RSDT/XSDT
+ // Remove any table references to the table
+ // If no one is using the table
+ // Free the table (removing pointers from private data and tables)
+ // Remove from list
+ // Free list structure
+ //
+ //
+ // Determine if this table is in the RSDT or XSDT
+ //
+ if ((CurrentTableSignature == EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE) ||
+ (CurrentTableSignature == EFI_ACPI_2_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE) ||
+ (CurrentTableSignature == EFI_ACPI_3_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE)
+ ) {
+ RemoveFromRsdt = FALSE;
+ }
+ //
+ // We don't remove the FADT in the standard way because some
+ // OS expect the FADT to be early in the table list.
+ // So we always put it as the first element in the list.
+ //
+ if (CurrentTableSignature == EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE) {
+ RemoveFromRsdt = FALSE;
+ }
+
+ //
+ // Remove the table from RSDT and XSDT
+ //
+
//
// This is a basic table, remove it from any lists and the Rsdt and/or Xsdt
//
|