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authorJohan Hovold <jhovold@gmail.com>2013-06-26 16:47:32 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-07-23 16:24:33 -0700
commitbe0278ccf3c05e7048cc6c7906e41bba0b41b8c7 (patch)
tree6f064a48b5bf56403e4769a42fa73a89d4629277
parentdc43ff924d0d29e53e3f4d26db2c4265b1aa5a2a (diff)
USB: ftdi_sio: clean up device initialisation
Do not use zeroed termios data to determine when to unconditionally configure the device at open. Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/usb/serial/ftdi_sio.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 7260ec66034..abcaeafa525 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -1842,7 +1842,6 @@ static int ftdi_sio_port_remove(struct usb_serial_port *port)
static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port)
{
- struct ktermios dummy;
struct usb_device *dev = port->serial->dev;
struct ftdi_private *priv = usb_get_serial_port_data(port);
@@ -1858,10 +1857,8 @@ static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port)
This is same behaviour as serial.c/rs_open() - Kuba */
/* ftdi_set_termios will send usb control messages */
- if (tty) {
- memset(&dummy, 0, sizeof(dummy));
- ftdi_set_termios(tty, port, &dummy);
- }
+ if (tty)
+ ftdi_set_termios(tty, port, NULL);
return usb_serial_generic_open(tty, port);
}