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>
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1 changed files with 6 additions and 15 deletions
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@ -207,29 +207,20 @@ static void belkin_sa_release(struct usb_serial *serial)
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static int belkin_sa_open(struct tty_struct *tty,
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struct usb_serial_port *port)
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{
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int retval = 0;
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int retval;
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dbg("%s port %d", __func__, port->number);
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/*Start reading from the device*/
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/* TODO: Look at possibility of submitting multiple URBs to device to
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* enhance buffering. Win trace shows 16 initial read URBs.
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*/
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port->read_urb->dev = port->serial->dev;
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retval = usb_submit_urb(port->read_urb, GFP_KERNEL);
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if (retval) {
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dev_err(&port->dev, "usb_submit_urb(read bulk) failed\n");
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goto exit;
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}
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port->interrupt_in_urb->dev = port->serial->dev;
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retval = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
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if (retval) {
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usb_kill_urb(port->read_urb);
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dev_err(&port->dev, "usb_submit_urb(read int) failed\n");
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return retval;
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}
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exit:
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retval = usb_serial_generic_open(tty, port);
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if (retval)
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usb_kill_urb(port->interrupt_in_urb);
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return retval;
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}
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