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path: root/drivers/net/hamradio/mkiss.c
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Diffstat (limited to 'drivers/net/hamradio/mkiss.c')
-rw-r--r--drivers/net/hamradio/mkiss.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/net/hamradio/mkiss.c b/drivers/net/hamradio/mkiss.c
index 30c9b3b0d13..ebcc5adee7c 100644
--- 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;