diff options
Diffstat (limited to 'drivers/acpi/acpica/tbinstal.c')
| -rw-r--r-- | drivers/acpi/acpica/tbinstal.c | 28 |
1 files changed, 0 insertions, 28 deletions
diff --git a/drivers/acpi/acpica/tbinstal.c b/drivers/acpi/acpica/tbinstal.c index ee745152f25b..9d212967fad8 100644 --- a/drivers/acpi/acpica/tbinstal.c +++ b/drivers/acpi/acpica/tbinstal.c @@ -222,34 +222,6 @@ acpi_tb_install_standard_table(acpi_physical_address address, (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); if (reload) { - /* - * Validate the incoming table signature. - * - * 1) Originally, we checked the table signature for "SSDT" or "PSDT". - * 2) We added support for OEMx tables, signature "OEM". - * 3) Valid tables were encountered with a null signature, so we just - * gave up on validating the signature, (05/2008). - * 4) We encountered non-AML tables such as the MADT, which caused - * interpreter errors and kernel faults. So now, we once again allow - * only "SSDT", "OEMx", and now, also a null signature. (05/2011). - */ - if ((new_table_desc.signature.ascii[0] != 0x00) && - (!ACPI_COMPARE_NAME - (&new_table_desc.signature, ACPI_SIG_SSDT)) - && (strncmp(new_table_desc.signature.ascii, "OEM", 3))) { - ACPI_BIOS_ERROR((AE_INFO, - "Table has invalid signature [%4.4s] (0x%8.8X), " - "must be SSDT or OEMx", - acpi_ut_valid_nameseg(new_table_desc. - signature. - ascii) ? - new_table_desc.signature. - ascii : "????", - new_table_desc.signature.integer)); - - status = AE_BAD_SIGNATURE; - goto unlock_and_exit; - } /* Check if table is already registered */ |