AcoSail/kernel_optimize_test
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Merge branch 'acpica-validate-address-regression' into next

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Len Brown 2012-01-17 03:33:49 -05:00
commit 3298758385
1 changed files with 24 additions and 0 deletions
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24
drivers/acpi/acpica/dsargs.c
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@ -387,5 +387,29 @@ acpi_status acpi_ds_get_region_arguments(union acpi_operand_object *obj_desc)
status = acpi_ds_execute_arguments(node, node->parent,
extra_desc->extra.aml_length,
extra_desc->extra.aml_start);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
/* Validate the region address/length via the host OS */
status = acpi_os_validate_address(obj_desc->region.space_id,
obj_desc->region.address,
(acpi_size) obj_desc->region.length,
acpi_ut_get_node_name(node));
if (ACPI_FAILURE(status)) {
/*
* Invalid address/length. We will emit an error message and mark
* the region as invalid, so that it will cause an additional error if
* it is ever used. Then return AE_OK.
*/
ACPI_EXCEPTION((AE_INFO, status,
"During address validation of OpRegion [%4.4s]",
node->name.ascii));
obj_desc->common.flags |= AOPOBJ_INVALID;
status = AE_OK;
}
return_ACPI_STATUS(status);
}