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USB: belkin_sa: clean up open 

Use generic open to submit read urb.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Johan Hovold 2010-05-15 17:53:52 +02:00 committed by Greg Kroah-Hartman
parent 726ef428af
commit f2f8b7fe5a
1 changed files with 6 additions and 15 deletions
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21
drivers/usb/serial/belkin_sa.c
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@ -207,29 +207,20 @@ static void belkin_sa_release(struct usb_serial *serial)
static int belkin_sa_open(struct tty_struct *tty,
struct usb_serial_port *port)
{
int retval = 0;
int retval;
dbg("%s port %d", __func__, port->number);
/*Start reading from the device*/
/* TODO: Look at possibility of submitting multiple URBs to device to
* enhance buffering. Win trace shows 16 initial read URBs.
*/
port->read_urb->dev = port->serial->dev;
retval = usb_submit_urb(port->read_urb, GFP_KERNEL);
if (retval) {
dev_err(&port->dev, "usb_submit_urb(read bulk) failed\n");
goto exit;
}
port->interrupt_in_urb->dev = port->serial->dev;
retval = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
if (retval) {
usb_kill_urb(port->read_urb);
dev_err(&port->dev, "usb_submit_urb(read int) failed\n");
return retval;
}
exit:
retval = usb_serial_generic_open(tty, port);
if (retval)
usb_kill_urb(port->interrupt_in_urb);
return retval;
}