X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fnet%2Fppp_synctty.c;h=d2fa2db1358633771439013546758654444c6a00;hb=276e79ee6b3ff670dc9c041178da4b61af456a27;hp=0d80fa54671963a002540d29eefdcaf042c7aa8d;hpb=0ba6c33bcddc64a54b5f1c25a696c4767dc76292;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/net/ppp_synctty.c b/drivers/net/ppp_synctty.c
index 0d80fa54671..d2fa2db1358 100644
--- a/drivers/net/ppp_synctty.c
+++ b/drivers/net/ppp_synctty.c
@@ -206,6 +206,10 @@ ppp_sync_open(struct tty_struct *tty)
 {
 	struct syncppp *ap;
 	int err;
+	int speed;
+
+	if (tty->ops->write == NULL)
+		return -EOPNOTSUPP;
 
 	ap = kzalloc(sizeof(*ap), GFP_KERNEL);
 	err = -ENOMEM;
@@ -231,6 +235,8 @@ ppp_sync_open(struct tty_struct *tty)
 	ap->chan.ops = &sync_ops;
 	ap->chan.mtu = PPP_MRU;
 	ap->chan.hdrlen = 2;	/* for A/C bytes */
+	speed = tty_get_baud_rate(tty);
+	ap->chan.speed = speed;
 	err = ppp_register_channel(&ap->chan);
 	if (err)
 		goto out_free;
@@ -278,8 +284,7 @@ ppp_sync_close(struct tty_struct *tty)
 
 	ppp_unregister_channel(&ap->chan);
 	skb_queue_purge(&ap->rqueue);
-	if (ap->tpkt)
-		kfree_skb(ap->tpkt);
+	kfree_skb(ap->tpkt);
 	kfree(ap);
 }
 
@@ -330,9 +335,6 @@ ppp_synctty_ioctl(struct tty_struct *tty, struct file *file,
 	err = -EFAULT;
 	switch (cmd) {
 	case PPPIOCGCHAN:
-		err = -ENXIO;
-		if (!ap)
-			break;
 		err = -EFAULT;
 		if (put_user(ppp_channel_index(&ap->chan), p))
 			break;
@@ -340,9 +342,6 @@ ppp_synctty_ioctl(struct tty_struct *tty, struct file *file,
 		break;
 
 	case PPPIOCGUNIT:
-		err = -ENXIO;
-		if (!ap)
-			break;
 		err = -EFAULT;
 		if (put_user(ppp_unit_number(&ap->chan), p))
 			break;
@@ -398,9 +397,7 @@ ppp_sync_receive(struct tty_struct *tty, const unsigned char *buf,
 	if (!skb_queue_empty(&ap->rqueue))
 		tasklet_schedule(&ap->tsk);
 	sp_put(ap);
-	if (test_and_clear_bit(TTY_THROTTLED, &tty->flags)
-	    && tty->driver->unthrottle)
-		tty->driver->unthrottle(tty);
+	tty_unthrottle(tty);
 }
 
 static void
@@ -417,7 +414,7 @@ ppp_sync_wakeup(struct tty_struct *tty)
 }
 
 
-static struct tty_ldisc ppp_sync_ldisc = {
+static struct tty_ldisc_ops ppp_sync_ldisc = {
 	.owner	= THIS_MODULE,
 	.magic	= TTY_LDISC_MAGIC,
 	.name	= "pppsync",
@@ -653,7 +650,7 @@ ppp_sync_push(struct syncppp *ap)
 			tty_stuffed = 0;
 		if (!tty_stuffed && ap->tpkt) {
 			set_bit(TTY_DO_WRITE_WAKEUP, &tty->flags);
-			sent = tty->driver->write(tty, ap->tpkt->data, ap->tpkt->len);
+			sent = tty->ops->write(tty, ap->tpkt->data, ap->tpkt->len);
 			if (sent < 0)
 				goto flush;	/* error, e.g. loss of CD */
 			if (sent < ap->tpkt->len) {