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| author | Jiang Liu <jiang.liu@huawei.com> | 2013-06-29 00:24:38 +0800 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-07-15 01:33:10 +0200 |
| commit | 952c63e9512b63220886105cfc791507046fa39a (patch) | |
| tree | bf3bd0592ea0fac74418fe16b8a4125e2db799ea /drivers/acpi/resource.c | |
| parent | 472d963befe28b8614ea2789757b27536c8d79eb (diff) | |
| download | lwn-952c63e9512b63220886105cfc791507046fa39a.tar.gz lwn-952c63e9512b63220886105cfc791507046fa39a.zip | |
ACPI: introduce helper function acpi_has_method()
Introduce helper function acpi_has_method() and use it in a number
of places to simplify code.
[rjw: Changelog]
Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/resource.c')
| -rw-r--r-- | drivers/acpi/resource.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c index 3322b47ab7ca..b7201fc6f1e1 100644 --- a/drivers/acpi/resource.c +++ b/drivers/acpi/resource.c @@ -505,14 +505,12 @@ int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list, void *preproc_data) { struct res_proc_context c; - acpi_handle not_used; acpi_status status; if (!adev || !adev->handle || !list_empty(list)) return -EINVAL; - status = acpi_get_handle(adev->handle, METHOD_NAME__CRS, ¬_used); - if (ACPI_FAILURE(status)) + if (!acpi_has_method(adev->handle, METHOD_NAME__CRS)) return 0; c.list = list; |