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ata: fix acpi_bus_get_device() return value check

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Since acpi_bus_get_device() returns plain int and not acpi_status,
ACPI_FAILURE() should not be used for checking its return value.  Fix
that.

tj: Dropped unused local variable @status from odd_can_poweroff().
    Reported by kbuild test bot.

Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Aaron Lu <aaron.lu@intel.com>
Cc: linux-ide@vger.kernel.org
Cc: kbuild test robot <fengguang.wu@intel.com>
This commit is contained in:
Yijing Wang 2013-11-20 17:28:25 +08:00 committed by Tejun Heo
parent 6c9e149986
commit e2fc623e7d
1 changed files with 1 additions and 3 deletions
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4
drivers/ata/libata-zpodd.c
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@ -88,15 +88,13 @@ static enum odd_mech_type zpodd_get_mech_type(struct ata_device *dev)
static bool odd_can_poweroff(struct ata_device *ata_dev)
{
acpi_handle handle;
acpi_status status;
struct acpi_device *acpi_dev;
handle = ata_dev_acpi_handle(ata_dev);
if (!handle)
return false;
status = acpi_bus_get_device(handle, &acpi_dev);
if (ACPI_FAILURE(status))
if (acpi_bus_get_device(handle, &acpi_dev))
return false;
return acpi_device_can_poweroff(acpi_dev);