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Commit 9eabd28e authored by Johan Hovold's avatar Johan Hovold
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USB: serial: garmin_gps: simplify init-session logic 



Clean up the somewhat convoluted init-session logic to improve
readability.

Reviewed-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: default avatarJohan Hovold <johan@kernel.org>
parent c1a357b6

drivers/usb/serial/garmin_gps.c

+16 −25
Original line number Diff line number Diff line
@@ -877,42 +877,33 @@ static int garmin_clear(struct garmin_data *garmin_data_p) 
static int garmin_init_session(struct usb_serial_port *port)

{

	struct garmin_data *garmin_data_p = usb_get_serial_port_data(port);

	int status = 0;

	int i = 0;

	int status;

	int i;



	if (status == 0) {

	usb_kill_urb(port->interrupt_in_urb);



	status = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);

	if (status) {

			dev_err(&port->dev,

					"failed to submit interrupt urb: %d\n",

		dev_err(&port->dev, "failed to submit interrupt urb: %d\n",

				status);

		}

		return status;

	}



	/*

	 * using the initialization method from gpsbabel. See comments in

	 * gpsbabel/jeeps/gpslibusb.c gusb_reset_toggles()

	 */

	if (status == 0) {

	dev_dbg(&port->dev, "%s - starting session ...\n", __func__);

	garmin_data_p->state = STATE_ACTIVE;



	for (i = 0; i < 3; i++) {

			status = garmin_write_bulk(port,

					GARMIN_START_SESSION_REQ,

		status = garmin_write_bulk(port, GARMIN_START_SESSION_REQ,

				sizeof(GARMIN_START_SESSION_REQ), 0);



		if (status < 0)

			goto err_kill_urbs;

	}



		if (status > 0)

			status = 0;

	}



	return status;

	return 0;



err_kill_urbs:

	usb_kill_anchored_urbs(&garmin_data_p->write_urbs);