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EmbeddedPkg: Improve LocateAndInstallAcpiFromFvConditional 

LocateAndInstallAcpiFromFvConditional was always returning EFI_SUCCESS
even when it failed to find `AcpiFile`. Fix that, and improve the layout
by checking if an error occurred and breaking earlier.

Signed-off-by: Rebecca Cran <rebecca@bsdio.com>
This commit is contained in:
Rebecca Cran 2024-04-28 16:02:16 -06:00 committed by mergify[bot]
parent 5aa6842715
commit a1b0703e8e
1 changed files with 44 additions and 40 deletions
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84
EmbeddedPkg/Library/AcpiLib/AcpiLib.c
View File

@ -52,6 +52,9 @@ LocateAndInstallAcpiFromFvConditional (
UINTN AcpiTableSize;
UINTN AcpiTableKey;
BOOLEAN Valid;
BOOLEAN FoundAcpiFile;
FoundAcpiFile = FALSE;
// Ensure the ACPI Table is present
Status = gBS->LocateProtocol (
@ -107,47 +110,48 @@ LocateAndInstallAcpiFromFvConditional (
&SectionSize,
&FvStatus
);
if (!EFI_ERROR (Status)) {
AcpiTableKey = 0;
AcpiTableSize = ((EFI_ACPI_DESCRIPTION_HEADER *)AcpiTable)->Length;
ASSERT (SectionSize >= AcpiTableSize);
DEBUG ((
DEBUG_ERROR,
"- Found '%c%c%c%c' ACPI Table\n",
(((EFI_ACPI_DESCRIPTION_HEADER *)AcpiTable)->Signature & 0xFF),
((((EFI_ACPI_DESCRIPTION_HEADER *)AcpiTable)->Signature >> 8) & 0xFF),
((((EFI_ACPI_DESCRIPTION_HEADER *)AcpiTable)->Signature >> 16) & 0xFF),
((((EFI_ACPI_DESCRIPTION_HEADER *)AcpiTable)->Signature >> 24) & 0xFF)
));
// Is the ACPI table valid?
if (CheckAcpiTableFunction) {
Valid = CheckAcpiTableFunction ((EFI_ACPI_DESCRIPTION_HEADER *)AcpiTable);
} else {
Valid = TRUE;
}
// Install the ACPI Table
if (Valid) {
Status = AcpiProtocol->InstallAcpiTable (
AcpiProtocol,
AcpiTable,
AcpiTableSize,
&AcpiTableKey
);
}
// Free memory allocated by ReadSection
gBS->FreePool (AcpiTable);
if (EFI_ERROR (Status)) {
break;
}
// Increment the section instance
SectionInstance++;
if (EFI_ERROR (Status)) {
break;
}
FoundAcpiFile = TRUE;
AcpiTableKey = 0;
AcpiTableSize = ((EFI_ACPI_DESCRIPTION_HEADER *)AcpiTable)->Length;
ASSERT (SectionSize >= AcpiTableSize);
DEBUG ((
DEBUG_ERROR,
"- Found '%c%c%c%c' ACPI Table\n",
(((EFI_ACPI_DESCRIPTION_HEADER *)AcpiTable)->Signature & 0xFF),
((((EFI_ACPI_DESCRIPTION_HEADER *)AcpiTable)->Signature >> 8) & 0xFF),
((((EFI_ACPI_DESCRIPTION_HEADER *)AcpiTable)->Signature >> 16) & 0xFF),
((((EFI_ACPI_DESCRIPTION_HEADER *)AcpiTable)->Signature >> 24) & 0xFF)
));
// Is the ACPI table valid?
if (CheckAcpiTableFunction != NULL) {
Valid = CheckAcpiTableFunction ((EFI_ACPI_DESCRIPTION_HEADER *)AcpiTable);
} else {
Valid = TRUE;
}
// Install the ACPI Table
if (Valid) {
Status = AcpiProtocol->InstallAcpiTable (
AcpiProtocol,
AcpiTable,
AcpiTableSize,
&AcpiTableKey
);
}
// Free memory allocated by ReadSection
gBS->FreePool (AcpiTable);
// Increment the section instance
SectionInstance++;
}
}
@ -157,7 +161,7 @@ FREE_HANDLE_BUFFER:
//
gBS->FreePool (HandleBuffer);
return EFI_SUCCESS;
return (FoundAcpiFile ? EFI_SUCCESS : EFI_NOT_FOUND);
}
/**