diff options
Diffstat (limited to 'drivers/char/tty_ldisc.c')
| -rw-r--r-- | drivers/char/tty_ldisc.c | 22 |
1 files changed, 9 insertions, 13 deletions
diff --git a/drivers/char/tty_ldisc.c b/drivers/char/tty_ldisc.c index 01c70c01f64..39c8f86dedd 100644 --- a/drivers/char/tty_ldisc.c +++ b/drivers/char/tty_ldisc.c @@ -126,7 +126,7 @@ static struct tty_ldisc *tty_ldisc_try_get(int disc) 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); @@ -208,12 +208,12 @@ static void tty_ldisc_put(struct tty_ldisc *ld) 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; @@ -227,7 +227,7 @@ static int tty_ldiscs_seq_show(struct seq_file *m, void *v) { int i = *(loff_t *)v; struct tty_ldisc *ld; - + ld = tty_ldisc_try_get(i); if (IS_ERR(ld)) return 0; @@ -325,7 +325,6 @@ struct tty_ldisc *tty_ldisc_ref_wait(struct tty_struct *tty) WARN_ON(tty->ldisc->refcount == 0); return tty->ldisc; } - EXPORT_SYMBOL_GPL(tty_ldisc_ref_wait); /** @@ -345,7 +344,6 @@ struct tty_ldisc *tty_ldisc_ref(struct tty_struct *tty) return tty->ldisc; return NULL; } - EXPORT_SYMBOL_GPL(tty_ldisc_ref); /** @@ -373,7 +371,6 @@ void tty_ldisc_deref(struct tty_ldisc *ld) wake_up(&tty_ldisc_wait); spin_unlock_irqrestore(&tty_ldisc_lock, flags); } - EXPORT_SYMBOL_GPL(tty_ldisc_deref); /** @@ -413,7 +410,6 @@ void tty_ldisc_flush(struct tty_struct *tty) } tty_buffer_flush(tty); } - EXPORT_SYMBOL_GPL(tty_ldisc_flush); /** @@ -492,7 +488,7 @@ static void tty_ldisc_restore(struct tty_struct *tty, struct tty_ldisc *old) 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); @@ -514,7 +510,7 @@ static void tty_ldisc_restore(struct tty_struct *tty, struct tty_ldisc *old) * 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. */ @@ -611,7 +607,7 @@ int tty_set_ldisc(struct tty_struct *tty, int ldisc) 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 @@ -841,8 +837,8 @@ int tty_ldisc_setup(struct tty_struct *tty, struct tty_struct *o_tty) * @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. */ |