diff options
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/serial/ftdi_sio.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 58698a6..37db5a0 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -1142,7 +1142,7 @@ static int write_latency_timer(struct usb_serial_port *port) { struct ftdi_private *priv = usb_get_serial_port_data(port); struct usb_device *udev = port->serial->dev; - int rv = 0; + int rv; int l = priv->latency; if (priv->flags & ASYNC_LOW_LATENCY) @@ -1166,7 +1166,7 @@ static int read_latency_timer(struct usb_serial_port *port) struct ftdi_private *priv = usb_get_serial_port_data(port); struct usb_device *udev = port->serial->dev; unsigned char *buf; - int rv = 0; + int rv; dbg("%s", __func__); @@ -1360,7 +1360,7 @@ static void ftdi_set_max_packet_size(struct usb_serial_port *port) struct usb_endpoint_descriptor *ep_desc = &interface->cur_altsetting->endpoint[1].desc; unsigned num_endpoints; - int i = 0; + int i; num_endpoints = interface->cur_altsetting->desc.bNumEndpoints; dev_info(&udev->dev, "Number of endpoints %d\n", num_endpoints); @@ -1412,7 +1412,7 @@ static ssize_t store_latency_timer(struct device *dev, struct usb_serial_port *port = to_usb_serial_port(dev); struct ftdi_private *priv = usb_get_serial_port_data(port); int v = simple_strtoul(valbuf, NULL, 10); - int rv = 0; + int rv; priv->latency = v; rv = write_latency_timer(port); @@ -1430,7 +1430,7 @@ static ssize_t store_event_char(struct device *dev, struct ftdi_private *priv = usb_get_serial_port_data(port); struct usb_device *udev = port->serial->dev; int v = simple_strtoul(valbuf, NULL, 10); - int rv = 0; + int rv; dbg("%s: setting event char = %i", __func__, v); @@ -1617,7 +1617,6 @@ static int ftdi_NDI_device_setup(struct usb_serial *serial) { struct usb_device *udev = serial->dev; int latency = ndi_latency_timer; - int rv = 0; if (latency == 0) latency = 1; @@ -1627,7 +1626,8 @@ static int ftdi_NDI_device_setup(struct usb_serial *serial) dbg("%s setting NDI device latency to %d", __func__, latency); dev_info(&udev->dev, "NDI device with a latency value of %d", latency); - rv = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), + /* FIXME: errors are not returned */ + usb_control_msg(udev, usb_sndctrlpipe(udev, 0), FTDI_SIO_SET_LATENCY_TIMER_REQUEST, FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE, latency, 0, NULL, 0, WDR_TIMEOUT); @@ -1718,7 +1718,7 @@ static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port) struct usb_device *dev = port->serial->dev; struct ftdi_private *priv = usb_get_serial_port_data(port); unsigned long flags; - int result = 0; + int result; dbg("%s", __func__); @@ -2137,7 +2137,7 @@ static void ftdi_break_ctl(struct tty_struct *tty, int break_state) { struct usb_serial_port *port = tty->driver_data; struct ftdi_private *priv = usb_get_serial_port_data(port); - __u16 urb_value = 0; + __u16 urb_value; /* break_state = -1 to turn on break, and 0 to turn off break */ /* see drivers/char/tty_io.c to see it used */ |