diff options
Diffstat (limited to 'drivers/acpi/parser/psopcode.c')
| -rw-r--r-- | drivers/acpi/parser/psopcode.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/acpi/parser/psopcode.c b/drivers/acpi/parser/psopcode.c index 11d6351ab8b2..9eb8d0663886 100644 --- a/drivers/acpi/parser/psopcode.c +++ b/drivers/acpi/parser/psopcode.c @@ -731,6 +731,7 @@ const struct acpi_opcode_info *acpi_ps_get_opcode_info(u16 opcode) * Detect normal 8-bit opcode or extended 16-bit opcode */ if (!(opcode & 0xFF00)) { + /* Simple (8-bit) opcode: 0-255, can't index beyond table */ return (&acpi_gbl_aml_op_info @@ -739,6 +740,7 @@ const struct acpi_opcode_info *acpi_ps_get_opcode_info(u16 opcode) if (((opcode & 0xFF00) == AML_EXTENDED_OPCODE) && (((u8) opcode) <= MAX_EXTENDED_OPCODE)) { + /* Valid extended (16-bit) opcode */ return (&acpi_gbl_aml_op_info |