diff options
Diffstat (limited to 'drivers/tty/tty_ldisc.c')
| -rw-r--r-- | drivers/tty/tty_ldisc.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c index 03f414172f34..9aff04bee4cd 100644 --- a/drivers/tty/tty_ldisc.c +++ b/drivers/tty/tty_ldisc.c @@ -59,17 +59,16 @@ static struct tty_ldisc_ops *tty_ldiscs[NR_LDISCS]; * takes tty_ldiscs_lock to guard against ldisc races */ -int tty_register_ldisc(int disc, struct tty_ldisc_ops *new_ldisc) +int tty_register_ldisc(struct tty_ldisc_ops *new_ldisc) { unsigned long flags; int ret = 0; - if (disc < N_TTY || disc >= NR_LDISCS) + if (new_ldisc->num < N_TTY || new_ldisc->num >= NR_LDISCS) return -EINVAL; raw_spin_lock_irqsave(&tty_ldiscs_lock, flags); - tty_ldiscs[disc] = new_ldisc; - new_ldisc->num = disc; + tty_ldiscs[new_ldisc->num] = new_ldisc; new_ldisc->refcount = 0; raw_spin_unlock_irqrestore(&tty_ldiscs_lock, flags); |