ata: fix acpi_bus_get_device() return value check

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>

diff --git a/drivers/ata/libata-zpodd.c b/drivers/ata/libata-zpodd.c
index 68f9e32..88949c6 100644 (file)
--- a/drivers/ata/libata-zpodd.c
+++ b/drivers/ata/libata-zpodd.c
@@ -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);