USB: serial: remove generic disconnect callback
Remove the now empty generic disconnect callback and make the disconnect
callback non-mandatory.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c
index a6d0ac6..4d421f3 100644
--- a/drivers/usb/serial/generic.c
+++ b/drivers/usb/serial/generic.c
@@ -45,7 +45,6 @@
},
.id_table = generic_device_ids,
.num_ports = 1,
- .disconnect = usb_serial_generic_disconnect,
.release = usb_serial_generic_release,
.throttle = usb_serial_generic_throttle,
.unthrottle = usb_serial_generic_unthrottle,
@@ -500,11 +499,6 @@
}
EXPORT_SYMBOL_GPL(usb_serial_generic_resume);
-void usb_serial_generic_disconnect(struct usb_serial *serial)
-{
-}
-EXPORT_SYMBOL_GPL(usb_serial_generic_disconnect);
-
void usb_serial_generic_release(struct usb_serial *serial)
{
}
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index e7f97b5..569b679 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -1095,7 +1095,8 @@
device_del(&port->dev);
}
}
- serial->type->disconnect(serial);
+ if (serial->type->disconnect)
+ serial->type->disconnect(serial);
/* let the last holder of this object cause it to be cleaned up */
usb_serial_put(serial);
@@ -1304,7 +1305,6 @@
set_to_generic_if_null(device, chars_in_buffer);
set_to_generic_if_null(device, read_bulk_callback);
set_to_generic_if_null(device, write_bulk_callback);
- set_to_generic_if_null(device, disconnect);
set_to_generic_if_null(device, release);
set_to_generic_if_null(device, process_read_urb);
set_to_generic_if_null(device, prepare_write_buffer);