105 	struct cyberjack_private *priv;  in cyberjack_port_probe()  local
108 	priv = kmalloc(sizeof(struct cyberjack_private), GFP_KERNEL);  in cyberjack_port_probe()
109 	if (!priv)  in cyberjack_port_probe()
112 	spin_lock_init(&priv->lock);  in cyberjack_port_probe()
113 	priv->rdtodo = 0;  in cyberjack_port_probe()
114 	priv->wrfilled = 0;  in cyberjack_port_probe()
115 	priv->wrsent = 0;  in cyberjack_port_probe()
117 	usb_set_serial_port_data(port, priv);  in cyberjack_port_probe()
128 	struct cyberjack_private *priv;  in cyberjack_port_remove()  local
132 	priv = usb_get_serial_port_data(port);  in cyberjack_port_remove()
133 	kfree(priv);  in cyberjack_port_remove()
141 	struct cyberjack_private *priv;  in cyberjack_open()  local
148 	priv = usb_get_serial_port_data(port);  in cyberjack_open()
149 	spin_lock_irqsave(&priv->lock, flags);  in cyberjack_open()
150 	priv->rdtodo = 0;  in cyberjack_open()
151 	priv->wrfilled = 0;  in cyberjack_open()
152 	priv->wrsent = 0;  in cyberjack_open()
153 	spin_unlock_irqrestore(&priv->lock, flags);  in cyberjack_open()
168 	struct cyberjack_private *priv = usb_get_serial_port_data(port);  in cyberjack_write()  local
183 	spin_lock_irqsave(&priv->lock, flags);  in cyberjack_write()
185 	if (count+priv->wrfilled > sizeof(priv->wrbuf)) {  in cyberjack_write()
187 		priv->wrfilled = 0;  in cyberjack_write()
188 		spin_unlock_irqrestore(&priv->lock, flags);  in cyberjack_write()
194 	memcpy(priv->wrbuf + priv->wrfilled, buf, count);  in cyberjack_write()
196 	usb_serial_debug_data(dev, __func__, count, priv->wrbuf + priv->wrfilled);  in cyberjack_write()
197 	priv->wrfilled += count;  in cyberjack_write()
199 	if (priv->wrfilled >= 3) {  in cyberjack_write()
200 		wrexpected = ((int)priv->wrbuf[2]<<8)+priv->wrbuf[1]+3;  in cyberjack_write()
203 		wrexpected = sizeof(priv->wrbuf);  in cyberjack_write()
205 	if (priv->wrfilled >= wrexpected) {  in cyberjack_write()
213 		memcpy(port->write_urb->transfer_buffer, priv->wrbuf, length);  in cyberjack_write()
214 		priv->wrsent = length;  in cyberjack_write()
226 			priv->wrfilled = 0;  in cyberjack_write()
227 			priv->wrsent = 0;  in cyberjack_write()
228 			spin_unlock_irqrestore(&priv->lock, flags);  in cyberjack_write()
233 		dev_dbg(dev, "%s - priv->wrsent=%d\n", __func__, priv->wrsent);  in cyberjack_write()
234 		dev_dbg(dev, "%s - priv->wrfilled=%d\n", __func__, priv->wrfilled);  in cyberjack_write()
236 		if (priv->wrsent >= priv->wrfilled) {  in cyberjack_write()
238 			memset(priv->wrbuf, 0, sizeof(priv->wrbuf));  in cyberjack_write()
239 			priv->wrfilled = 0;  in cyberjack_write()
240 			priv->wrsent = 0;  in cyberjack_write()
244 	spin_unlock_irqrestore(&priv->lock, flags);  in cyberjack_write()
258 	struct cyberjack_private *priv = usb_get_serial_port_data(port);  in cyberjack_read_int_callback()  local
277 		spin_lock(&priv->lock);  in cyberjack_read_int_callback()
279 		old_rdtodo = priv->rdtodo;  in cyberjack_read_int_callback()
283 			spin_unlock(&priv->lock);  in cyberjack_read_int_callback()
288 		priv->rdtodo += size;  in cyberjack_read_int_callback()
290 		dev_dbg(dev, "%s - rdtodo: %d\n", __func__, priv->rdtodo);  in cyberjack_read_int_callback()
292 		spin_unlock(&priv->lock);  in cyberjack_read_int_callback()
313 	struct cyberjack_private *priv = usb_get_serial_port_data(port);  in cyberjack_read_bulk_callback()  local
332 	spin_lock(&priv->lock);  in cyberjack_read_bulk_callback()
335 	priv->rdtodo -= urb->actual_length;  in cyberjack_read_bulk_callback()
337 	if (priv->rdtodo < 0)  in cyberjack_read_bulk_callback()
338 		priv->rdtodo = 0;  in cyberjack_read_bulk_callback()
339 	todo = priv->rdtodo;  in cyberjack_read_bulk_callback()
341 	spin_unlock(&priv->lock);  in cyberjack_read_bulk_callback()
358 	struct cyberjack_private *priv = usb_get_serial_port_data(port);  in cyberjack_write_bulk_callback()  local
369 	spin_lock(&priv->lock);  in cyberjack_write_bulk_callback()
372 	if (priv->wrfilled) {  in cyberjack_write_bulk_callback()
377 		length = ((priv->wrfilled - priv->wrsent) > port->bulk_out_size) ?  in cyberjack_write_bulk_callback()
378 			port->bulk_out_size : (priv->wrfilled - priv->wrsent);  in cyberjack_write_bulk_callback()
381 					priv->wrbuf + priv->wrsent, length);  in cyberjack_write_bulk_callback()
382 		priv->wrsent += length;  in cyberjack_write_bulk_callback()
393 			priv->wrfilled = 0;  in cyberjack_write_bulk_callback()
394 			priv->wrsent = 0;  in cyberjack_write_bulk_callback()
398 		dev_dbg(dev, "%s - priv->wrsent=%d\n", __func__, priv->wrsent);  in cyberjack_write_bulk_callback()
399 		dev_dbg(dev, "%s - priv->wrfilled=%d\n", __func__, priv->wrfilled);  in cyberjack_write_bulk_callback()
401 		blksize = ((int)priv->wrbuf[2]<<8)+priv->wrbuf[1]+3;  in cyberjack_write_bulk_callback()
403 		if (priv->wrsent >= priv->wrfilled ||  in cyberjack_write_bulk_callback()
404 					priv->wrsent >= blksize) {  in cyberjack_write_bulk_callback()
406 			memset(priv->wrbuf, 0, sizeof(priv->wrbuf));  in cyberjack_write_bulk_callback()
407 			priv->wrfilled = 0;  in cyberjack_write_bulk_callback()
408 			priv->wrsent = 0;  in cyberjack_write_bulk_callback()
413 	spin_unlock(&priv->lock);  in cyberjack_write_bulk_callback()