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D41605.id126560.diff
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D41605.id126560.diff

diff --git a/sys/kern/tty.c b/sys/kern/tty.c
--- a/sys/kern/tty.c
+++ b/sys/kern/tty.c
@@ -253,9 +253,6 @@
ttyoutq_free(&tp->t_outq);
tp->t_outlow = 0;
- knlist_clear(&tp->t_inpoll.si_note, 1);
- knlist_clear(&tp->t_outpoll.si_note, 1);
-
if (!tty_gone(tp))
ttydevsw_close(tp);
@@ -403,6 +400,11 @@
cv_broadcast(&tp->t_bgwait);
cv_broadcast(&tp->t_dcdwait);
+ if (fflag & FREVOKE) {
+ knlist_delete(&tp->t_inpoll.si_note, curthread, 1);
+ knlist_delete(&tp->t_outpoll.si_note, curthread, 1);
+ }
+
ttydev_leave(tp);
return (0);

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