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ACPICA: Print error messages for too few or too many arguments

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Fix Issue #1027 by displaying error messages when there are too few or
too many arguments in the caller vs the definition of an ASL/AML method.

Link: https://github.com/acpica/acpica/commit/cbc243e4
Reported-by: Peter Williams <peter@newton.cx>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Tested-by: Hans de Goede <hansg@kernel.org>
Signed-off-by: Saket Dumbre <saket.dumbre@intel.com>
This commit is contained in:
Saket Dumbre
2025-09-12 22:01:52 +02:00
committed by Rafael J. Wysocki
parent 761dc71c60
commit e2c80b3c23
2 changed files with 17 additions and 4 deletions
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11
drivers/acpi/acpica/dsmethod.c
View File

@@ -483,10 +483,17 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread,
}
if (this_walk_state->num_operands < obj_desc->method.param_count) {
ACPI_ERROR((AE_INFO, "Missing argument for method [%4.4s]",
ACPI_ERROR((AE_INFO, "Missing argument(s) for method [%4.4s]",
acpi_ut_get_node_name(method_node)));
return_ACPI_STATUS(AE_AML_UNINITIALIZED_ARG);
return_ACPI_STATUS(AE_AML_TOO_FEW_ARGUMENTS);
}
else if (this_walk_state->num_operands > obj_desc->method.param_count) {
ACPI_ERROR((AE_INFO, "Too many arguments for method [%4.4s]",
acpi_ut_get_node_name(method_node)));
return_ACPI_STATUS(AE_AML_TOO_MANY_ARGUMENTS);
}
/* Init for new method, possibly wait on method mutex */

10
include/acpi/acexcep.h
View File

@@ -173,8 +173,10 @@ struct acpi_exception_info {
#define AE_AML_TARGET_TYPE EXCEP_AML (0x0023)
#define AE_AML_PROTOCOL EXCEP_AML (0x0024)
#define AE_AML_BUFFER_LENGTH EXCEP_AML (0x0025)
#define AE_AML_TOO_FEW_ARGUMENTS EXCEP_AML (0x0026)
#define AE_AML_TOO_MANY_ARGUMENTS EXCEP_AML (0x0027)
#define AE_CODE_AML_MAX 0x0025
#define AE_CODE_AML_MAX 0x0027
/*
* Internal exceptions used for control
@@ -353,7 +355,11 @@ static const struct acpi_exception_info acpi_gbl_exception_names_aml[] = {
"A target operand of an incorrect type was encountered"),
EXCEP_TXT("AE_AML_PROTOCOL", "Violation of a fixed ACPI protocol"),
EXCEP_TXT("AE_AML_BUFFER_LENGTH",
"The length of the buffer is invalid/incorrect")
"The length of the buffer is invalid/incorrect"),
EXCEP_TXT("AE_AML_TOO_FEW_ARGUMENTS",
"There are fewer than expected method arguments"),
EXCEP_TXT("AE_AML_TOO_MANY_ARGUMENTS",
"There are too many arguments for this method")
};
static const struct acpi_exception_info acpi_gbl_exception_names_ctrl[] = {