From 7cb7f45c7feef43c8f71f5cfedfc0b19be2142f7 Mon Sep 17 00:00:00 2001 From: Len Brown Date: Mon, 27 Jul 2009 18:42:38 -0400 Subject: Revert "ACPICA: Remove obsolete acpi_os_validate_address interface" This reverts commit f9ca058430333c9a24c5ca926aa445125f88df18. which caused a regression: http://bugzilla.kernel.org/show_bug.cgi?id=13620 Signed-off-by: Lin Ming Signed-off-by: Len Brown --- drivers/acpi/acpica/exfldio.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'drivers/acpi/acpica/exfldio.c') diff --git a/drivers/acpi/acpica/exfldio.c b/drivers/acpi/acpica/exfldio.c index d4075b82102..6687be167f5 100644 --- a/drivers/acpi/acpica/exfldio.c +++ b/drivers/acpi/acpica/exfldio.c @@ -113,6 +113,12 @@ acpi_ex_setup_region(union acpi_operand_object *obj_desc, } } + /* Exit if Address/Length have been disallowed by the host OS */ + + if (rgn_desc->common.flags & AOPOBJ_INVALID) { + return_ACPI_STATUS(AE_AML_ILLEGAL_ADDRESS); + } + /* * Exit now for SMBus address space, it has a non-linear address space * and the request cannot be directly validated -- cgit v1.2.3