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authorH. Peter Anvin <hpa@zytor.com>2009-08-25 15:40:29 -0700
committerH. Peter Anvin <hpa@zytor.com>2009-08-25 15:40:29 -0700
commite8a2eb47e6ca03d4a4f98f0beef73720c5dddc0c (patch)
tree31c4d7718111abddfaaa8d3fb14ab4a7e2554cd9 /drivers/acpi/acpica/exfldio.c
parent8b5a10fc6fd02289ea03480f93382b1a99006142 (diff)
parentc62e43202e7cf50ca24bce58b255df7bf5de69d0 (diff)
Merge commit 'origin/x86/urgent' into x86/asm
Diffstat (limited to 'drivers/acpi/acpica/exfldio.c')
-rw-r--r--drivers/acpi/acpica/exfldio.c6
1 files changed, 6 insertions, 0 deletions
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