struct tty_ldisc *ld;
struct tty_ldisc_ops *ldops;
int err = -EINVAL;
-
+
ld = kmalloc(sizeof(struct tty_ldisc), GFP_KERNEL);
if (ld == NULL)
return ERR_PTR(-ENOMEM);
kfree(ld);
}
-static void * tty_ldiscs_seq_start(struct seq_file *m, loff_t *pos)
+static void *tty_ldiscs_seq_start(struct seq_file *m, loff_t *pos)
{
return (*pos < NR_LDISCS) ? pos : NULL;
}
-static void * tty_ldiscs_seq_next(struct seq_file *m, void *v, loff_t *pos)
+static void *tty_ldiscs_seq_next(struct seq_file *m, void *v, loff_t *pos)
{
(*pos)++;
return (*pos < NR_LDISCS) ? pos : NULL;
{
int i = *(loff_t *)v;
struct tty_ldisc *ld;
-
+
ld = tty_ldisc_try_get(i);
if (IS_ERR(ld))
return 0;
WARN_ON(tty->ldisc->refcount == 0);
return tty->ldisc;
}
-
EXPORT_SYMBOL_GPL(tty_ldisc_ref_wait);
/**
return tty->ldisc;
return NULL;
}
-
EXPORT_SYMBOL_GPL(tty_ldisc_ref);
/**
wake_up(&tty_ldisc_wait);
spin_unlock_irqrestore(&tty_ldisc_lock, flags);
}
-
EXPORT_SYMBOL_GPL(tty_ldisc_deref);
/**
}
tty_buffer_flush(tty);
}
-
EXPORT_SYMBOL_GPL(tty_ldisc_flush);
/**
if (tty_ldisc_open(tty, old) < 0) {
tty_ldisc_put(old);
/* This driver is always present */
- new_ldisc =tty_ldisc_get(N_TTY);
+ new_ldisc = tty_ldisc_get(N_TTY);
if (IS_ERR(new_ldisc))
panic("n_tty: get");
tty_ldisc_assign(tty, new_ldisc);
* be obtained while the delayed work queue halt ensures that no more
* data is fed to the ldisc.
*
- * In order to wait for any existing references to complete see
+ * In order to wait for any existing references to complete see
* tty_ldisc_wait_idle.
*/
mutex_lock(&tty->ldisc_mutex);
}
set_bit(TTY_LDISC_CHANGING, &tty->flags);
-
+
/*
* No more input please, we are switching. The new ldisc
* will update this value in the ldisc open function
* @tty: tty being shut down
* @o_tty: pair tty for pty/tty pairs
*
- * Called during the final close of a tty/pty pair in order to shut down the
- * line discpline layer. On exit the ldisc assigned is N_TTY and the
+ * Called during the final close of a tty/pty pair in order to shut down
+ * the line discpline layer. On exit the ldisc assigned is N_TTY and the
* ldisc has not been opened.
*/