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ACPICA: Eliminate extra call to NsGetParentNode 

Was called twice in the same function with the same parameter.
Alex Chiang.

Signed-off-by: Alex Chiang <achiang@hp.com>
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>
This commit is contained in:
Alex Chiang 2009-05-21 10:59:15 +08:00 committed by Len Brown
parent f5407af3f2
commit c446eed618
1 changed files with 4 additions and 3 deletions
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7
drivers/acpi/acpica/nsxfobj.c
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@ -162,6 +162,7 @@ ACPI_EXPORT_SYMBOL(acpi_get_type)
acpi_status acpi_get_parent(acpi_handle handle, acpi_handle * ret_handle)
{
struct acpi_namespace_node *node;
struct acpi_namespace_node *parent_node;
acpi_status status;
if (!ret_handle) {
@ -189,12 +190,12 @@ acpi_status acpi_get_parent(acpi_handle handle, acpi_handle * ret_handle)
/* Get the parent entry */
*ret_handle =
acpi_ns_convert_entry_to_handle(acpi_ns_get_parent_node(node));
parent_node = acpi_ns_get_parent_node(node);
*ret_handle = acpi_ns_convert_entry_to_handle(parent_node);
/* Return exception if parent is null */
if (!acpi_ns_get_parent_node(node)) {
if (!parent_node) {
status = AE_NULL_ENTRY;
}