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| author | Len Brown <len.brown@intel.com> | 2009-07-28 00:42:38 +0200 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2009-07-28 00:42:38 +0200 |
| commit | 7cb7f45c7feef43c8f71f5cfedfc0b19be2142f7 (patch) | |
| tree | c35f1815fefc6460c204473a738785d6da1cb642 /drivers/acpi/acpica/exfldio.c | |
| parent | Linux 2.6.31-rc4 (diff) | |
| download | linux-7cb7f45c7feef43c8f71f5cfedfc0b19be2142f7.tar.xz linux-7cb7f45c7feef43c8f71f5cfedfc0b19be2142f7.zip | |
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 <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/acpica/exfldio.c')
| -rw-r--r-- | drivers/acpi/acpica/exfldio.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/exfldio.c b/drivers/acpi/acpica/exfldio.c index d4075b821021..6687be167f5f 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 |