[PATCH 31/65] ACPICA: Eliminate extra call to NsGetParentNode

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From: Alex Chiang <achiang@xxxxxx>

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

Signed-off-by: Alex Chiang <achiang@xxxxxx>
Signed-off-by: Bob Moore <robert.moore@xxxxxxxxx>
Signed-off-by: Lin Ming <ming.m.lin@xxxxxxxxx>
Signed-off-by: Len Brown <len.brown@xxxxxxxxx>
---
 drivers/acpi/acpica/nsxfobj.c |    7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/acpi/acpica/nsxfobj.c b/drivers/acpi/acpica/nsxfobj.c
index dd33d8b..4071bad 100644
--- a/drivers/acpi/acpica/nsxfobj.c
+++ b/drivers/acpi/acpica/nsxfobj.c
@@ -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;
 	}
 
-- 
1.6.0.6

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