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| author | Alex Chiang <achiang@hp.com> | 2009-05-21 10:59:15 +0800 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2009-05-27 00:35:51 -0400 |
| commit | c446eed6187addf9f76ee0028abed32393aef27e (patch) | |
| tree | e2474b872fe332a97ba3e6e7bc6ace3c9e67bed4 /drivers/acpi | |
| parent | f5407af3f271ed4cd6655cf30d419d77e0f8bfaa (diff) | |
| download | linux-stable-c446eed6187addf9f76ee0028abed32393aef27e.tar.gz linux-stable-c446eed6187addf9f76ee0028abed32393aef27e.tar.bz2 linux-stable-c446eed6187addf9f76ee0028abed32393aef27e.zip | |
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>
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | 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 dd33d8b53d6d..4071bad4458e 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; } |