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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>
This commit is contained in:
Johan Hovold 2013-03-21 12:36:41 +01:00 committed by Greg Kroah-Hartman
parent 618e183d03
commit f8f0ad8621
1 changed files with 1 additions and 11 deletions
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12
drivers/usb/serial/generic.c
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@ -102,7 +102,7 @@ int usb_serial_generic_open(struct tty_struct *tty, struct usb_serial_port *port
}
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 @@ static void generic_cleanup(struct usb_serial_port *port)
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 @@ EXPORT_SYMBOL_GPL(usb_serial_generic_resume);
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);