summaryrefslogtreecommitdiff
path: root/drivers/usb/serial/pl2303.c
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-06-17 12:02:38 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-06-17 12:02:38 -0700
commit1508124d8a4e0995362d93d82e5555a74bfc998f (patch)
tree62b36e0fa03b40e68be6941c5139e8ff7653d0b2 /drivers/usb/serial/pl2303.c
parent976f8bef9cfb5246bc0e8dc781562daa79cb7aaf (diff)
parent7d132055814ef17a6c7b69f342244c410a5e000f (diff)
Merge 3.10-rc6 into usb-next
We want the fixes in this branch as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/serial/pl2303.c')
-rw-r--r--drivers/usb/serial/pl2303.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 966c20c9ced4..042ae6be3cbe 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -284,7 +284,7 @@ static void pl2303_set_termios(struct tty_struct *tty,
serial settings even to the same values as before. Thus
we actually need to filter in this specific case */
- if (!tty_termios_hw_change(&tty->termios, old_termios))
+ if (old_termios && !tty_termios_hw_change(&tty->termios, old_termios))
return;
cflag = tty->termios.c_cflag;
@@ -293,7 +293,8 @@ static void pl2303_set_termios(struct tty_struct *tty,
if (!buf) {
dev_err(&port->dev, "%s - out of memory.\n", __func__);
/* Report back no change occurred */
- tty->termios = *old_termios;
+ if (old_termios)
+ tty->termios = *old_termios;
return;
}
@@ -432,7 +433,7 @@ static void pl2303_set_termios(struct tty_struct *tty,
control = priv->line_control;
if ((cflag & CBAUD) == B0)
priv->line_control &= ~(CONTROL_DTR | CONTROL_RTS);
- else if ((old_termios->c_cflag & CBAUD) == B0)
+ else if (old_termios && (old_termios->c_cflag & CBAUD) == B0)
priv->line_control |= (CONTROL_DTR | CONTROL_RTS);
if (control != priv->line_control) {
control = priv->line_control;
@@ -490,7 +491,6 @@ static void pl2303_close(struct usb_serial_port *port)
static int pl2303_open(struct tty_struct *tty, struct usb_serial_port *port)
{
- struct ktermios tmp_termios;
struct usb_serial *serial = port->serial;
struct pl2303_serial_private *spriv = usb_get_serial_data(serial);
int result;
@@ -506,7 +506,7 @@ static int pl2303_open(struct tty_struct *tty, struct usb_serial_port *port)
/* Setup termios */
if (tty)
- pl2303_set_termios(tty, port, &tmp_termios);
+ pl2303_set_termios(tty, port, NULL);
result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
if (result) {