tty: The big operations rework

[linux-2.6-omap-h63xx.git] / drivers / net / hamradio / mkiss.c

diff --git a/drivers/net/hamradio/mkiss.c b/drivers/net/hamradio/mkiss.c
index 30c9b3b0d1319fe0c18b4906594748ee3ddaa6e0..ebcc5adee7cc39ebbfb80300c645363aaecfcdc0 100644 (file)
--- a/drivers/net/hamradio/mkiss.c
+++ b/drivers/net/hamradio/mkiss.c
@@ -516,7 +516,7 @@ static void ax_encaps(struct net_device *dev, unsigned char *icp, int len)
        spin_unlock_bh(&ax->buflock);
 
        set_bit(TTY_DO_WRITE_WAKEUP, &ax->tty->flags);
-       actual = ax->tty->driver->write(ax->tty, ax->xbuff, count);
+       actual = ax->tty->ops->write(ax->tty, ax->xbuff, count);
        ax->stats.tx_packets++;
        ax->stats.tx_bytes += actual;
 
@@ -546,7 +546,7 @@ static int ax_xmit(struct sk_buff *skb, struct net_device *dev)
                }
 
                printk(KERN_ERR "mkiss: %s: transmit timed out, %s?\n", dev->name,
-                      (ax->tty->driver->chars_in_buffer(ax->tty) || ax->xleft) ?
+                      (ax->tty->ops->chars_in_buffer(ax->tty) || ax->xleft) ?
                       "bad line quality" : "driver error");
 
                ax->xleft = 0;
@@ -736,6 +736,8 @@ static int mkiss_open(struct tty_struct *tty)
 
        if (!capable(CAP_NET_ADMIN))
                return -EPERM;
+       if (tty->ops->write == NULL)
+               return -EOPNOTSUPP;
 
        dev = alloc_netdev(sizeof(struct mkiss), "ax%d", ax_setup);
        if (!dev) {
@@ -754,8 +756,7 @@ static int mkiss_open(struct tty_struct *tty)
        tty->disc_data = ax;
        tty->receive_room = 65535;
 
-       if (tty->driver->flush_buffer)
-               tty->driver->flush_buffer(tty);
+       tty_driver_flush_buffer(tty);
 
        /* Restore default settings */
        dev->type = ARPHRD_AX25;
@@ -936,8 +937,8 @@ static void mkiss_receive_buf(struct tty_struct *tty, const unsigned char *cp,
 
        mkiss_put(ax);
        if (test_and_clear_bit(TTY_THROTTLED, &tty->flags)
-           && tty->driver->unthrottle)
-               tty->driver->unthrottle(tty);
+           && tty->ops->unthrottle)
+               tty->ops->unthrottle(tty);
 }
 
 /*
@@ -962,7 +963,7 @@ static void mkiss_write_wakeup(struct tty_struct *tty)
                goto out;
        }
 
-       actual = tty->driver->write(tty, ax->xhead, ax->xleft);
+       actual = tty->ops->write(tty, ax->xhead, ax->xleft);
        ax->xleft -= actual;
        ax->xhead += actual;