usb-serial: fix shutdown / device_unregister order

Ensure that the ->port_remove() callbacks get called before the
->shutdown() callback which makeing the order symmetric with
->attach() being called before ->port_probe().

Signed-off-by: Jim Radford <radford@blackbean.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 6 insertions, 5 deletions

diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 6bf22a28adb8..7f93abdac994 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -135,11 +135,6 @@ static void destroy_serial(struct kref *kref)
 
         dbg("%s - %s", __FUNCTION__, serial->type->description);
 
-        serial->type->shutdown(serial);
-
-        /* return the minor range that this device had */
-        return_serial(serial);
-
         for (i = 0; i < serial->num_ports; ++i)
                 serial->port[i]->open_count = 0;
 
@@ -150,6 +145,12 @@ static void destroy_serial(struct kref *kref)
                         serial->port[i] = NULL;
                 }
 
+        if (serial->type->shutdown)
+                serial->type->shutdown(serial);
+
+        /* return the minor range that this device had */
+        return_serial(serial);
+
         /* If this is a "fake" port, we have to clean it up here, as it will
          * not get cleaned up in port_release() as it was never registered with
          * the driver core */