tty: The big operations rework

[linux-2.6-omap-h63xx.git] / drivers / isdn / gigaset / ser-gigaset.c

diff --git a/drivers/isdn/gigaset/ser-gigaset.c b/drivers/isdn/gigaset/ser-gigaset.c
index fceeb1d57682849b3e438e63a265d4fd036efe78..45d1ee93cd39979e0f6788f73f9b7a4571eed4e6 100644 (file)
--- a/drivers/isdn/gigaset/ser-gigaset.c
+++ b/drivers/isdn/gigaset/ser-gigaset.c
@@ -68,10 +68,10 @@ static int write_modem(struct cardstate *cs)
        struct tty_struct *tty = cs->hw.ser->tty;
        struct bc_state *bcs = &cs->bcs[0];     /* only one channel */
        struct sk_buff *skb = bcs->tx_skb;
-       int sent;
+       int sent = -EOPNOTSUPP;
 
        if (!tty || !tty->driver || !skb)
-               return -EFAULT;
+               return -EINVAL;
 
        if (!skb->len) {
                dev_kfree_skb_any(skb);
@@ -80,7 +80,8 @@ static int write_modem(struct cardstate *cs)
        }
 
        set_bit(TTY_DO_WRITE_WAKEUP, &tty->flags);
-       sent = tty->driver->write(tty, skb->data, skb->len);
+       if (tty->ops->write)
+               sent = tty->ops->write(tty, skb->data, skb->len);
        gig_dbg(DEBUG_OUTPUT, "write_modem: sent %d", sent);
        if (sent < 0) {
                /* error */
@@ -120,7 +121,7 @@ static int send_cb(struct cardstate *cs)
 
        if (cb->len) {
                set_bit(TTY_DO_WRITE_WAKEUP, &tty->flags);
-               sent = tty->driver->write(tty, cb->buf + cb->offset, cb->len);
+               sent = tty->ops->write(tty, cb->buf + cb->offset, cb->len);
                if (sent < 0) {
                        /* error */
                        gig_dbg(DEBUG_OUTPUT, "send_cb: write error %d", sent);
@@ -440,14 +441,14 @@ static int gigaset_set_modem_ctrl(struct cardstate *cs, unsigned old_state, unsi
        struct tty_struct *tty = cs->hw.ser->tty;
        unsigned int set, clear;
 
-       if (!tty || !tty->driver || !tty->driver->tiocmset)
-               return -EFAULT;
+       if (!tty || !tty->driver || !tty->ops->tiocmset)
+               return -EINVAL;
        set = new_state & ~old_state;
        clear = old_state & ~new_state;
        if (!set && !clear)
                return 0;
        gig_dbg(DEBUG_IF, "tiocmset set %x clear %x", set, clear);
-       return tty->driver->tiocmset(tty, NULL, set, clear);
+       return tty->ops->tiocmset(tty, NULL, set, clear);
 }
 
 static int gigaset_baud_rate(struct cardstate *cs, unsigned cflag)