From 952c63e9512b63220886105cfc791507046fa39a Mon Sep 17 00:00:00 2001
From: Jiang Liu <jiang.liu@huawei.com>
Date: Sat, 29 Jun 2013 00:24:38 +0800
Subject: 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>
---
drivers/acpi/resource.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
(limited to 'drivers/acpi/resource.c')
diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
index 3322b47ab7c..b7201fc6f1e 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;
--
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