#include <linux/init.h>
#include <linux/ioctl.h>
#include <linux/tty.h>
+#include <linux/slab.h>
#include <linux/tty_flip.h>
#include <linux/module.h>
#include <linux/usb.h>
tty = tty_port_tty_get(&port->port);
if (tty) {
- tty_buffer_request_room(tty, urb->actual_length + 1);
/* overrun is special, not associated with a char */
if (unlikely(lsr & UART_LSR_OE))
tty_insert_flip_char(tty, 0, TTY_OVERRUN);