diff options
| -rw-r--r-- | sys/kern/tty.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/sys/kern/tty.c b/sys/kern/tty.c index 1bf0ac8..a6cc746 100644 --- a/sys/kern/tty.c +++ b/sys/kern/tty.c @@ -1007,11 +1007,6 @@ tty_alloc_mutex(struct ttydevsw *tsw, void *sc, struct mtx *mutex) knlist_init_mtx(&tp->t_inpoll.si_note, tp->t_mtx); knlist_init_mtx(&tp->t_outpoll.si_note, tp->t_mtx); - sx_xlock(&tty_list_sx); - TAILQ_INSERT_TAIL(&tty_list, tp, t_list); - tty_list_count++; - sx_xunlock(&tty_list_sx); - return (tp); } @@ -1020,11 +1015,6 @@ tty_dealloc(void *arg) { struct tty *tp = arg; - sx_xlock(&tty_list_sx); - TAILQ_REMOVE(&tty_list, tp, t_list); - tty_list_count--; - sx_xunlock(&tty_list_sx); - /* Make sure we haven't leaked buffers. */ MPASS(ttyinq_getsize(&tp->t_inq) == 0); MPASS(ttyoutq_getsize(&tp->t_outq) == 0); @@ -1065,6 +1055,11 @@ tty_rel_free(struct tty *tp) tp->t_dev = NULL; tty_unlock(tp); + sx_xlock(&tty_list_sx); + TAILQ_REMOVE(&tty_list, tp, t_list); + tty_list_count--; + sx_xunlock(&tty_list_sx); + if (dev != NULL) destroy_dev_sched_cb(dev, tty_dealloc, tp); } @@ -1279,6 +1274,11 @@ tty_makedevf(struct tty *tp, struct ucred *cred, int flags, } } + sx_xlock(&tty_list_sx); + TAILQ_INSERT_TAIL(&tty_list, tp, t_list); + tty_list_count++; + sx_xunlock(&tty_list_sx); + return (0); fail: |
