71 static void opticon_process_read_urb(struct urb *urb)  in opticon_process_read_urb()  argument
73 	struct usb_serial_port *port = urb->context;  in opticon_process_read_urb()
74 	const unsigned char *hdr = urb->transfer_buffer;  in opticon_process_read_urb()
76 	size_t data_len = urb->actual_length - 2;  in opticon_process_read_urb()
78 	if (urb->actual_length <= 2) {  in opticon_process_read_urb()
80 							urb->actual_length);  in opticon_process_read_urb()
155 static void opticon_write_control_callback(struct urb *urb)  in opticon_write_control_callback()  argument
157 	struct usb_serial_port *port = urb->context;  in opticon_write_control_callback()
159 	int status = urb->status;  in opticon_write_control_callback()
163 	kfree(urb->transfer_buffer);  in opticon_write_control_callback()
166 	kfree(urb->setup_packet);  in opticon_write_control_callback()
185 	struct urb *urb;  in opticon_write()  local
206 	urb = usb_alloc_urb(0, GFP_ATOMIC);  in opticon_write()
207 	if (!urb) {  in opticon_write()
230 	usb_fill_control_urb(urb, serial->dev,  in opticon_write()
236 	status = usb_submit_urb(urb, GFP_ATOMIC);  in opticon_write()
247 	usb_free_urb(urb);  in opticon_write()
253 	usb_free_urb(urb);  in opticon_write()