Author: markj
Date: Sun Jul 7 14:19:46 2019
New Revision: 349805
URL: https://svnweb.freebsd.org/changeset/base/349805
Log:
MFC r349733:
Defer funsetown() calls for a TTY to tty_rel_free().
Modified:
stable/12/sys/kern/tty.c
Directory Properties:
stable/12/ (props changed)
Modified: stable/12/sys/kern/tty.c
==============================================================================
--- stable/12/sys/kern/tty.c Sun Jul 7 14:19:19 2019 (r349804)
+++ stable/12/sys/kern/tty.c Sun Jul 7 14:19:46 2019 (r349805)
@@ -231,9 +231,6 @@ ttydev_leave(struct tty *tp)
tp->t_flags |= TF_OPENCLOSE;
- /* Stop asynchronous I/O. */
- funsetown(&tp->t_sigio);
-
/* Remove console TTY. */
if (constty == tp)
constty_clear();
@@ -1123,6 +1120,9 @@ tty_rel_free(struct tty *tp)
tty_unlock(tp);
return;
}
+
+ /* Stop asynchronous I/O. */
+ funsetown(&tp->t_sigio);
/* TTY can be deallocated. */
dev = tp->t_dev;
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