diff options
Diffstat (limited to 'drivers/acpi/parser/psopcode.c')
| -rw-r--r-- | drivers/acpi/parser/psopcode.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/acpi/parser/psopcode.c b/drivers/acpi/parser/psopcode.c index 11d6351ab8b..4bd25e32769 100644 --- a/drivers/acpi/parser/psopcode.c +++ b/drivers/acpi/parser/psopcode.c @@ -725,12 +725,13 @@ static const u8 acpi_gbl_long_op_index[NUM_EXTENDED_OPCODE] = { const struct acpi_opcode_info *acpi_ps_get_opcode_info(u16 opcode) { - ACPI_FUNCTION_NAME("ps_get_opcode_info"); + ACPI_FUNCTION_NAME(ps_get_opcode_info); /* * 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 @@ -779,7 +781,7 @@ char *acpi_ps_get_opcode_name(u16 opcode) return (op->name); #else - return ("AE_NOT_CONFIGURED"); + return ("OpcodeName unavailable"); #endif } |