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authorJiang Liu <jiang.liu@huawei.com>2013-06-29 00:24:38 +0800
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-07-15 01:33:10 +0200
commit952c63e9512b63220886105cfc791507046fa39a (patch)
treebf3bd0592ea0fac74418fe16b8a4125e2db799ea /drivers/acpi/resource.c
parentACPI / dock: simplify dock_create_acpi_device() (diff)
downloadlinux-dev-952c63e9512b63220886105cfc791507046fa39a.tar.xz
linux-dev-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.c4
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, &not_used);
- if (ACPI_FAILURE(status))
+ if (!acpi_has_method(adev->handle, METHOD_NAME__CRS))
return 0;
c.list = list;