diff options
| author | Lin Ming <ming.m.lin@intel.com> | 2008-04-10 19:06:38 +0400 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2008-04-22 14:29:24 -0400 |
| commit | 14808822a9cea782c2e6f8d39e438cc3891f6472 (patch) | |
| tree | c03ae3704fe2d4d07088bb8363e4901e42d13cd6 /drivers/acpi | |
| parent | 3e08e2d2d6efb256aa035e300deb059bb333b6db (diff) | |
ACPICA: Fix for namespace lookup problem
Fixed a problem where objects of certain types (Device,
ThermalZone, Processor, PowerResource) can be not found if they
are declared and referenced from within the same control method
http://www.acpica.org/bugzilla/show_bug.cgi?id=341.
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/parser/psargs.c | 24 |
1 files changed, 8 insertions, 16 deletions
diff --git a/drivers/acpi/parser/psargs.c b/drivers/acpi/parser/psargs.c index c2b9835c890..442880f5600 100644 --- a/drivers/acpi/parser/psargs.c +++ b/drivers/acpi/parser/psargs.c @@ -230,12 +230,11 @@ acpi_ps_get_next_namepath(struct acpi_walk_state *walk_state, struct acpi_parse_state *parser_state, union acpi_parse_object *arg, u8 possible_method_call) { + acpi_status status; char *path; union acpi_parse_object *name_op; - acpi_status status; union acpi_operand_object *method_desc; struct acpi_namespace_node *node; - union acpi_generic_state scope_info; ACPI_FUNCTION_TRACE(ps_get_next_namepath); @@ -249,25 +248,18 @@ acpi_ps_get_next_namepath(struct acpi_walk_state *walk_state, return_ACPI_STATUS(AE_OK); } - /* Setup search scope info */ - - scope_info.scope.node = NULL; - node = parser_state->start_node; - if (node) { - scope_info.scope.node = node; - } - /* - * Lookup the name in the internal namespace. We don't want to add - * anything new to the namespace here, however, so we use MODE_EXECUTE. + * Lookup the name in the internal namespace, starting with the current + * scope. We don't want to add anything new to the namespace here, + * however, so we use MODE_EXECUTE. * Allow searching of the parent tree, but don't open a new scope - * we just want to lookup the object (must be mode EXECUTE to perform * the upsearch) */ - status = - acpi_ns_lookup(&scope_info, path, ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE, - ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE, - NULL, &node); + status = acpi_ns_lookup(walk_state->scope_info, path, + ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE, + ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE, + NULL, &node); /* * If this name is a control method invocation, we must |