ACPI: Unbind ACPI drv when probe failed

When acpi_device_install_notify_handler() failed in acpi_device_probe(),
it calls acpi_drv->ops.remove() and fails the probe.  However, the ACPI
driver is left bound to the acpi_device.  Fix it by clearing the driver
and driver_data fields.

Signed-off-by: Toshi Kani <toshi.kani@hp.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 95547ef..bf6e2c2 100644 (file)
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -627,6 +627,8 @@ static int acpi_device_probe(struct device * dev)
                        if (ret) {
                                if (acpi_drv->ops.remove)
                                        acpi_drv->ops.remove(acpi_dev);
+                               acpi_dev->driver = NULL;
+                               acpi_dev->driver_data = NULL;
                                return ret;
                        }
                }