From 79b80b8a1141ba0605e917a6fc12d44383ab29b8 Mon Sep 17 00:00:00 2001 From: Johan Hovold Date: Thu, 21 Mar 2013 12:36:43 +0100 Subject: USB: serial: remove generic release callback Remove empty generic release implementation and make the release callback non-mandatory (like attach, probe and disconnect). Signed-off-by: Johan Hovold Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/usb-serial.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers/usb/serial/usb-serial.c') diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 569b6792c21..4819fd9a639 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -137,7 +137,7 @@ static void destroy_serial(struct kref *kref) if (serial->minor != SERIAL_TTY_NO_MINOR) return_serial(serial); - if (serial->attached) + if (serial->attached && serial->type->release) serial->type->release(serial); /* Now that nothing is using the ports, they can be freed */ @@ -1305,7 +1305,6 @@ static void fixup_generic(struct usb_serial_driver *device) 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, release); set_to_generic_if_null(device, process_read_urb); set_to_generic_if_null(device, prepare_write_buffer); } -- cgit v1.2.3