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authorAlan Cox <alan@linux.intel.com>2012-07-14 14:31:47 (GMT)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-07-16 20:00:41 (GMT)
commitadc8d746caa67fff4b53ba3e5163a6cbacc3b523 (patch)
treee3f6c05f27c163b369ddd4da5f31d2a61bde6d3a /drivers/tty/serial/jsm
parent6d31a88cb2e01d46c0cb74aa5da529e1f92ae3db (diff)
downloadlinux-adc8d746caa67fff4b53ba3e5163a6cbacc3b523.tar.xz
tty: move the termios object into the tty
This will let us sort out a whole pile of tty related races. The alternative would be to keep points and refcount the termios objects. However 1. They are tiny anyway 2. Many devices don't use the stored copies 3. We can remove a pty special case Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/jsm')
-rw-r--r--drivers/tty/serial/jsm/jsm_tty.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/tty/serial/jsm/jsm_tty.c b/drivers/tty/serial/jsm/jsm_tty.c
index 434bd88..7139796 100644
--- a/drivers/tty/serial/jsm/jsm_tty.c
+++ b/drivers/tty/serial/jsm/jsm_tty.c
@@ -161,7 +161,7 @@ static void jsm_tty_send_xchar(struct uart_port *port, char ch)
struct ktermios *termios;
spin_lock_irqsave(&port->lock, lock_flags);
- termios = port->state->port.tty->termios;
+ termios = &port->state->port.tty->termios;
if (ch == termios->c_cc[VSTART])
channel->ch_bd->bd_ops->send_start_character(channel);
@@ -250,7 +250,7 @@ static int jsm_tty_open(struct uart_port *port)
channel->ch_cached_lsr = 0;
channel->ch_stops_sent = 0;
- termios = port->state->port.tty->termios;
+ termios = &port->state->port.tty->termios;
channel->ch_c_cflag = termios->c_cflag;
channel->ch_c_iflag = termios->c_iflag;
channel->ch_c_oflag = termios->c_oflag;
@@ -283,7 +283,7 @@ static void jsm_tty_close(struct uart_port *port)
jsm_printk(CLOSE, INFO, &channel->ch_bd->pci_dev, "start\n");
bd = channel->ch_bd;
- ts = port->state->port.tty->termios;
+ ts = &port->state->port.tty->termios;
channel->ch_flags &= ~(CH_STOPI);
@@ -567,7 +567,7 @@ void jsm_input(struct jsm_channel *ch)
*input data and return immediately.
*/
if (!tp ||
- !(tp->termios->c_cflag & CREAD) ) {
+ !(tp->termios.c_cflag & CREAD) ) {
jsm_printk(READ, INFO, &ch->ch_bd->pci_dev,
"input. dropping %d bytes on port %d...\n", data_len, ch->ch_portnum);