diff options
| author | Steven Whitehouse <swhiteho@redhat.com> | 2006-07-17 09:25:26 -0400 |
|---|---|---|
| committer | Steven Whitehouse <swhiteho@redhat.com> | 2006-07-17 09:25:26 -0400 |
| commit | 4bf311ddfbffe12d41ad1a3c311ab727db6f72cb (patch) | |
| tree | 9d19a2774e83637d86dc876f3af22af1dacf0bec /drivers/acpi/tables/tbget.c | |
| parent | 597d0cae0f99f62501e229bed50e8149604015bb (diff) | |
| parent | 82d6897fefca6206bca7153805b4c5359ce97fc4 (diff) | |
Merge branch 'master'
Diffstat (limited to 'drivers/acpi/tables/tbget.c')
| -rw-r--r-- | drivers/acpi/tables/tbget.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/acpi/tables/tbget.c b/drivers/acpi/tables/tbget.c index 99eacceff56..7856db759af 100644 --- a/drivers/acpi/tables/tbget.c +++ b/drivers/acpi/tables/tbget.c @@ -320,6 +320,16 @@ acpi_tb_get_this_table(struct acpi_pointer *address, ACPI_FUNCTION_TRACE(tb_get_this_table); + /* Validate minimum length */ + + if (header->length < sizeof(struct acpi_table_header)) { + ACPI_ERROR((AE_INFO, + "Table length (%X) is smaller than minimum (%X)", + header->length, sizeof(struct acpi_table_header))); + + return_ACPI_STATUS(AE_INVALID_TABLE_LENGTH); + } + /* * Flags contains the current processor mode (Virtual or Physical * addressing) The pointer_type is either Logical or Physical @@ -356,7 +366,7 @@ acpi_tb_get_this_table(struct acpi_pointer *address, */ status = acpi_os_map_memory(address->pointer.physical, (acpi_size) header->length, - (void *)&full_table); + ACPI_CAST_PTR(void, &full_table)); if (ACPI_FAILURE(status)) { ACPI_ERROR((AE_INFO, "Could not map memory for table [%4.4s] at %8.8X%8.8X for length %X", |