diff options
author | Bob Moore <robert.moore@intel.com> | 2008-11-12 21:51:49 -0500 |
---|---|---|
committer | Len Brown <len.brown@intel.com> | 2008-12-29 22:38:38 -0500 |
commit | 5572a9859fa55216597b8226717691956d3e53e3 (patch) | |
tree | fbf50f65441f1d96b83a1ec0c64aa32d1be88a8a /drivers/acpi/namespace/nsaccess.c | |
parent | 319f8b892722f289bb6e07b1067be3b2e0714238 (diff) |
ACPICA: Fix to allow aliases within ASL namepaths
Fixes a problem where the use of an alias within a namepath
would result in a not found error or cause the compiler to fault.
Also now allows forward references from the Alias operator itself.
ACPICA BZ 738.
http://www.acpica.org/bugzilla/show_bug.cgi?id=738
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/namespace/nsaccess.c')
-rw-r--r-- | drivers/acpi/namespace/nsaccess.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/acpi/namespace/nsaccess.c b/drivers/acpi/namespace/nsaccess.c index 29c7c271dbb..35b0e46bd09 100644 --- a/drivers/acpi/namespace/nsaccess.c +++ b/drivers/acpi/namespace/nsaccess.c | |||
@@ -588,6 +588,10 @@ acpi_ns_lookup(union acpi_generic_state *scope_info, | |||
588 | * segments). | 588 | * segments). |
589 | */ | 589 | */ |
590 | if (this_node->type == ACPI_TYPE_LOCAL_ALIAS) { | 590 | if (this_node->type == ACPI_TYPE_LOCAL_ALIAS) { |
591 | if (!this_node->object) { | ||
592 | return_ACPI_STATUS(AE_NOT_EXIST); | ||
593 | } | ||
594 | |||
591 | if (acpi_ns_opens_scope | 595 | if (acpi_ns_opens_scope |
592 | (((struct acpi_namespace_node *)this_node-> | 596 | (((struct acpi_namespace_node *)this_node-> |
593 | object)->type)) { | 597 | object)->type)) { |