1 files changed, 50 insertions, 48 deletions

diff --git a/drivers/usb/serial/aircable.c b/drivers/usb/serial/aircable.c
index 9b1bb347dc2d..db6f97a93c02 100644
--- a/drivers/usb/serial/aircable.c
+++ b/drivers/usb/serial/aircable.c
@@ -147,7 +147,7 @@ static void serial_buf_free(struct circ_buf *cb)
  */
 static int serial_buf_data_avail(struct circ_buf *cb)
 {
-        return CIRC_CNT(cb->head,cb->tail,AIRCABLE_BUF_SIZE);
+        return CIRC_CNT(cb->head, cb->tail, AIRCABLE_BUF_SIZE);
 }
 
 /*
@@ -171,7 +171,7 @@ static int serial_buf_put(struct circ_buf *cb, const char *buf, int count)
                 cb->head = (cb->head + c) & (AIRCABLE_BUF_SIZE-1);
                 buf += c;
                 count -= c;
-                ret= c;
+                ret = c;
         }
         return ret;
 }
@@ -197,7 +197,7 @@ static int serial_buf_get(struct circ_buf *cb, char *buf, int count)
                 cb->tail = (cb->tail + c) & (AIRCABLE_BUF_SIZE-1);
                 buf += c;
                 count -= c;
-                ret= c;
+                ret = c;
         }
         return ret;
 }
@@ -208,7 +208,7 @@ static void aircable_send(struct usb_serial_port *port)
 {
         int count, result;
         struct aircable_private *priv = usb_get_serial_port_data(port);
-        unsigned char* buf;
+        unsigned char *buf;
         __le16 *dbuf;
         dbg("%s - port %d", __func__, port->number);
         if (port->write_urb_busy)
@@ -229,7 +229,8 @@ static void aircable_send(struct usb_serial_port *port)
         buf[1] = TX_HEADER_1;
         dbuf = (__le16 *)&buf[2];
         *dbuf = cpu_to_le16((u16)count);
-        serial_buf_get(priv->tx_buf,buf + HCI_HEADER_LENGTH, MAX_HCI_FRAMESIZE);
+        serial_buf_get(priv->tx_buf, buf + HCI_HEADER_LENGTH,
+                                                        MAX_HCI_FRAMESIZE);
 
         memcpy(port->write_urb->transfer_buffer, buf,
                count + HCI_HEADER_LENGTH);
@@ -261,7 +262,7 @@ static void aircable_read(struct work_struct *work)
         struct tty_struct *tty;
         unsigned char *data;
         int count;
-        if (priv->rx_flags & THROTTLED){
+        if (priv->rx_flags & THROTTLED) {
                 if (priv->rx_flags & ACTUALLY_THROTTLED)
                         schedule_work(&priv->rx_work);
                 return;
@@ -282,10 +283,10 @@ static void aircable_read(struct work_struct *work)
         count = min(64, serial_buf_data_avail(priv->rx_buf));
 
         if (count <= 0)
-                return; //We have finished sending everything.
+                return; /* We have finished sending everything. */
 
         tty_prepare_flip_string(tty, &data, count);
-        if (!data){
+        if (!data) {
                 err("%s- kzalloc(%d) failed.", __func__, count);
                 return;
         }
@@ -304,9 +305,10 @@ static void aircable_read(struct work_struct *work)
 static int aircable_probe(struct usb_serial *serial,
                           const struct usb_device_id *id)
 {
-        struct usb_host_interface *iface_desc = serial->interface->cur_altsetting;
+        struct usb_host_interface *iface_desc = serial->interface->
+                                                                cur_altsetting;
         struct usb_endpoint_descriptor *endpoint;
-        int num_bulk_out=0;
+        int num_bulk_out = 0;
         int i;
 
         for (i = 0; i < iface_desc->desc.bNumEndpoints; i++) {
@@ -325,13 +327,13 @@ static int aircable_probe(struct usb_serial *serial,
         return 0;
 }
 
-static int aircable_attach (struct usb_serial *serial)
+static int aircable_attach(struct usb_serial *serial)
 {
         struct usb_serial_port *port = serial->port[0];
         struct aircable_private *priv;
 
         priv = kzalloc(sizeof(struct aircable_private), GFP_KERNEL);
-        if (!priv){
+        if (!priv) {
                 err("%s- kmalloc(%Zd) failed.", __func__,
                         sizeof(struct aircable_private));
                 return -ENOMEM;
@@ -392,7 +394,7 @@ static int aircable_write(struct usb_serial_port *port,
 
         usb_serial_debug_data(debug, &port->dev, __func__, count, source);
 
-        if (!count){
+        if (!count) {
                 dbg("%s - write request of 0 bytes", __func__);
                 return count;
         }
@@ -418,31 +420,31 @@ static void aircable_write_bulk_callback(struct urb *urb)
 
         /* This has been taken from cypress_m8.c cypress_write_int_callback */
         switch (status) {
-                case 0:
-                        /* success */
-                        break;
-                case -ECONNRESET:
-                case -ENOENT:
-                case -ESHUTDOWN:
-                        /* this urb is terminated, clean up */
-                        dbg("%s - urb shutting down with status: %d",
-                            __func__, status);
-                        port->write_urb_busy = 0;
+        case 0:
+                /* success */
+                break;
+        case -ECONNRESET:
+        case -ENOENT:
+        case -ESHUTDOWN:
+                /* this urb is terminated, clean up */
+                dbg("%s - urb shutting down with status: %d",
+                    __func__, status);
+                port->write_urb_busy = 0;
+                return;
+        default:
+                /* error in the urb, so we have to resubmit it */
+                dbg("%s - Overflow in write", __func__);
+                dbg("%s - nonzero write bulk status received: %d",
+                    __func__, status);
+                port->write_urb->transfer_buffer_length = 1;
+                port->write_urb->dev = port->serial->dev;
+                result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
+                if (result)
+                        dev_err(&urb->dev->dev,
+                            "%s - failed resubmitting write urb, error %d\n",
+                                                        __func__, result);
+                else
                         return;
-                default:
-                        /* error in the urb, so we have to resubmit it */
-                        dbg("%s - Overflow in write", __func__);
-                        dbg("%s - nonzero write bulk status received: %d",
-                            __func__, status);
-                        port->write_urb->transfer_buffer_length = 1;
-                        port->write_urb->dev = port->serial->dev;
-                        result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
-                        if (result)
-                                dev_err(&urb->dev->dev,
-                                        "%s - failed resubmitting write urb, error %d\n",
-                                        __func__, result);
-                        else
-                                return;
         }
 
         port->write_urb_busy = 0;
@@ -472,11 +474,11 @@ static void aircable_read_bulk_callback(struct urb *urb)
                         dbg("%s - caught -EPROTO, resubmitting the urb",
                             __func__);
                         usb_fill_bulk_urb(port->read_urb, port->serial->dev,
-                                          usb_rcvbulkpipe(port->serial->dev,
-                                                          port->bulk_in_endpointAddress),
-                                          port->read_urb->transfer_buffer,
-                                          port->read_urb->transfer_buffer_length,
-                                          aircable_read_bulk_callback, port);
+                                usb_rcvbulkpipe(port->serial->dev,
+                                        port->bulk_in_endpointAddress),
+                                port->read_urb->transfer_buffer,
+                                port->read_urb->transfer_buffer_length,
+                                aircable_read_bulk_callback, port);
 
                         result = usb_submit_urb(urb, GFP_ATOMIC);
                         if (result)
@@ -490,7 +492,7 @@ static void aircable_read_bulk_callback(struct urb *urb)
         }
 
         usb_serial_debug_data(debug, &port->dev, __func__,
-                                urb->actual_length,urb->transfer_buffer);
+                                urb->actual_length, urb->transfer_buffer);
 
         tty = port->tty;
         if (tty && urb->actual_length) {
@@ -507,9 +509,9 @@ static void aircable_read_bulk_callback(struct urb *urb)
                         no_packages = urb->actual_length / (HCI_COMPLETE_FRAME);
 
                         if (urb->actual_length % HCI_COMPLETE_FRAME != 0)
-                                no_packages+=1;
+                                no_packages++;
 
-                        for (i = 0; i < no_packages ;i++) {
+                        for (i = 0; i < no_packages; i++) {
                                 if (remaining > (HCI_COMPLETE_FRAME))
                                         package_length = HCI_COMPLETE_FRAME;
                                 else
@@ -529,7 +531,7 @@ static void aircable_read_bulk_callback(struct urb *urb)
         if (port->open_count) {
                 usb_fill_bulk_urb(port->read_urb, port->serial->dev,
                                   usb_rcvbulkpipe(port->serial->dev,
-                                                  port->bulk_in_endpointAddress),
+                                          port->bulk_in_endpointAddress),
                                   port->read_urb->transfer_buffer,
                                   port->read_urb->transfer_buffer_length,
                                   aircable_read_bulk_callback, port);
@@ -602,7 +604,7 @@ static struct usb_serial_driver aircable_device = {
         .unthrottle =           aircable_unthrottle,
 };
 
-static int __init aircable_init (void)
+static int __init aircable_init(void)
 {
         int retval;
         retval = usb_serial_register(&aircable_device);
@@ -619,7 +621,7 @@ failed_usb_register:
         return retval;
 }
 
-static void __exit aircable_exit (void)
+static void __exit aircable_exit(void)
 {
         usb_deregister(&aircable_driver);
         usb_serial_deregister(&aircable_device);