USB: serial: fix generic disconnect implementation
There is no need for the generic disconnect callback to stop the read
and write urbs a second time as this has already been taken care of by
close (which is called from hangup as part of disconnect).
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 131d6cb..a6d0ac6 100644
--- a/drivers/usb/serial/generic.c
+++ b/drivers/usb/serial/generic.c
@@ -102,7 +102,7 @@
}
EXPORT_SYMBOL_GPL(usb_serial_generic_open);
-static void generic_cleanup(struct usb_serial_port *port)
+void usb_serial_generic_close(struct usb_serial_port *port)
{
unsigned long flags;
int i;
@@ -120,11 +120,6 @@
usb_kill_urb(port->read_urbs[i]);
}
}
-
-void usb_serial_generic_close(struct usb_serial_port *port)
-{
- generic_cleanup(port);
-}
EXPORT_SYMBOL_GPL(usb_serial_generic_close);
int usb_serial_generic_prepare_write_buffer(struct usb_serial_port *port,
@@ -507,11 +502,6 @@
void usb_serial_generic_disconnect(struct usb_serial *serial)
{
- int i;
-
- /* stop reads and writes on all ports */
- for (i = 0; i < serial->num_ports; ++i)
- generic_cleanup(serial->port[i]);
}
EXPORT_SYMBOL_GPL(usb_serial_generic_disconnect);