TTY: add tty_port_tty_hangup helper
It allows for cleaning up on a considerable amount of places. They did
port_get, hangup, kref_put. Now the only thing needed is to call
tty_port_tty_hangup which does exactly that. And they can also decide
whether to consider CLOCAL or completely ignore that.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/tty/nozomi.c b/drivers/tty/nozomi.c
index 2e5bbdc..d6080c3 100644
--- a/drivers/tty/nozomi.c
+++ b/drivers/tty/nozomi.c
@@ -1501,12 +1501,9 @@
DBG1(" ");
- for (i = 0; i < MAX_PORT; ++i) {
- struct tty_struct *tty = tty_port_tty_get(&dc->port[i].port);
- if (tty && list_empty(&tty->hangup_work.entry))
- tty_hangup(tty);
- tty_kref_put(tty);
- }
+ for (i = 0; i < MAX_PORT; ++i)
+ tty_port_tty_hangup(&dc->port[i].port, false);
+
/* Racy below - surely should wait for scheduled work to be done or
complete off a hangup method ? */
while (dc->open_ttys)