diff options
| author | Jiri Slaby <jslaby@suse.cz> | 2013-03-07 13:12:30 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-03-19 00:24:29 +0100 |
| commit | aa27a094e2c2e0cc59914e56113b860f524f4479 (patch) | |
| tree | b3cfef8d8023741107e3d3bed934f2bd4d8bf189 /drivers/tty/moxa.c | |
| parent | TTY: quatech2, remove unneeded is_open (diff) | |
| download | linux-aa27a094e2c2e0cc59914e56113b860f524f4479.tar.xz linux-aa27a094e2c2e0cc59914e56113b860f524f4479.zip | |
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>
Diffstat (limited to 'drivers/tty/moxa.c')
| -rw-r--r-- | drivers/tty/moxa.c | 19 |
1 files changed, 6 insertions, 13 deletions
diff --git a/drivers/tty/moxa.c b/drivers/tty/moxa.c index adeac255e526..1deaca4674e4 100644 --- a/drivers/tty/moxa.c +++ b/drivers/tty/moxa.c @@ -913,16 +913,12 @@ static void moxa_board_deinit(struct moxa_board_conf *brd) /* pci hot-un-plug support */ for (a = 0; a < brd->numPorts; a++) - if (brd->ports[a].port.flags & ASYNC_INITIALIZED) { - struct tty_struct *tty = tty_port_tty_get( - &brd->ports[a].port); - if (tty) { - tty_hangup(tty); - tty_kref_put(tty); - } - } + if (brd->ports[a].port.flags & ASYNC_INITIALIZED) + tty_port_tty_hangup(&brd->ports[a].port, false); + for (a = 0; a < MAX_PORTS_PER_BOARD; a++) tty_port_destroy(&brd->ports[a].port); + while (1) { opened = 0; for (a = 0; a < brd->numPorts; a++) @@ -1365,7 +1361,6 @@ static void moxa_hangup(struct tty_struct *tty) static void moxa_new_dcdstate(struct moxa_port *p, u8 dcd) { - struct tty_struct *tty; unsigned long flags; dcd = !!dcd; @@ -1373,10 +1368,8 @@ static void moxa_new_dcdstate(struct moxa_port *p, u8 dcd) if (dcd != p->DCDState) { p->DCDState = dcd; spin_unlock_irqrestore(&p->port.lock, flags); - tty = tty_port_tty_get(&p->port); - if (tty && !C_CLOCAL(tty) && !dcd) - tty_hangup(tty); - tty_kref_put(tty); + if (!dcd) + tty_port_tty_hangup(&p->port, true); } else spin_unlock_irqrestore(&p->port.lock, flags); |