diff options
Diffstat (limited to 'drivers/acpi/tables/tbrsdt.c')
| -rw-r--r-- | drivers/acpi/tables/tbrsdt.c | 25 |
1 files changed, 3 insertions, 22 deletions
diff --git a/drivers/acpi/tables/tbrsdt.c b/drivers/acpi/tables/tbrsdt.c index 13c6ddb2f546..069d498465d0 100644 --- a/drivers/acpi/tables/tbrsdt.c +++ b/drivers/acpi/tables/tbrsdt.c @@ -96,32 +96,13 @@ acpi_tb_verify_rsdp ( return_ACPI_STATUS (AE_BAD_PARAMETER); } - /* - * The signature and checksum must both be correct - */ - if (ACPI_STRNCMP ((char *) rsdp, RSDP_SIG, sizeof (RSDP_SIG)-1) != 0) { - /* Nope, BAD Signature */ - - status = AE_BAD_SIGNATURE; - goto cleanup; - } - - /* Check the standard checksum */ + /* Verify RSDP signature and checksum */ - if (acpi_tb_checksum (rsdp, ACPI_RSDP_CHECKSUM_LENGTH) != 0) { - status = AE_BAD_CHECKSUM; + status = acpi_tb_validate_rsdp (rsdp); + if (ACPI_FAILURE (status)) { goto cleanup; } - /* Check extended checksum if table version >= 2 */ - - if (rsdp->revision >= 2) { - if (acpi_tb_checksum (rsdp, ACPI_RSDP_XCHECKSUM_LENGTH) != 0) { - status = AE_BAD_CHECKSUM; - goto cleanup; - } - } - /* The RSDP supplied is OK */ table_info.pointer = ACPI_CAST_PTR (struct acpi_table_header, rsdp); |