}
-static void sx_put_char(struct tty_struct * tty, unsigned char ch)
+static int sx_put_char(struct tty_struct * tty, unsigned char ch)
{
struct specialix_port *port = (struct specialix_port *)tty->driver_data;
unsigned long flags;
if (sx_paranoia_check(port, tty->name, "sx_put_char")) {
func_exit();
- return;
+ return 0;
}
dprintk (SX_DEBUG_TX, "check tty: %p %p\n", tty, port->xmit_buf);
if (!port->xmit_buf) {
func_exit();
- return;
+ return 0;
}
bp = port_Board(port);
spin_lock_irqsave(&port->lock, flags);
spin_unlock_irqrestore(&port->lock, flags);
dprintk (SX_DEBUG_TX, "Exit size\n");
func_exit();
- return;
+ return 0;
}
dprintk (SX_DEBUG_TX, "Handle xmit: %p %p\n", port, port->xmit_buf);
port->xmit_buf[port->xmit_head++] = ch;
spin_unlock_irqrestore(&port->lock, flags);
func_exit();
+ return 1;
}