ACPI / PM: Do not apply ACPI_SUCCESS() to acpi_bus_get_device() result

Since the return value of acpi_bus_get_device() is not of type
acpi_status, ACPI_SUCCESS() should not be used for checking its
return value.  Fix that.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>

diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c
index f09dc987cf17bce2ea762cdf902165cdbb7bd3d9..c6ff606c6d5bb35d51b2bff23588914f99a6ba83 100644 (file)
--- a/drivers/acpi/device_pm.c
+++ b/drivers/acpi/device_pm.c
@@ -358,8 +358,7 @@ static struct acpi_device *acpi_dev_pm_get_node(struct device *dev)
        acpi_handle handle = DEVICE_ACPI_HANDLE(dev);
        struct acpi_device *adev;
 
-       return handle && ACPI_SUCCESS(acpi_bus_get_device(handle, &adev)) ?
-               adev : NULL;
+       return handle && !acpi_bus_get_device(handle, &adev) ? adev : NULL;
 }
 
 /**