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| author | Jiri Slaby <jslaby@suse.cz> | 2013-03-07 13:12:31 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-03-18 16:21:26 -0700 |
| commit | e4408ce3c23f8451eff7a2954694598fb8fce833 (patch) | |
| tree | 310aeb3fe12030b9c69cb20ded75ae56ccd8a82c /drivers/usb/serial/quatech2.c | |
| parent | 6aad04f21374633bd8cecf25024553d1e11a9522 (diff) | |
| download | linux-stable-e4408ce3c23f8451eff7a2954694598fb8fce833.tar.gz linux-stable-e4408ce3c23f8451eff7a2954694598fb8fce833.tar.bz2 linux-stable-e4408ce3c23f8451eff7a2954694598fb8fce833.zip | |
TTY: quatech2, remove unneeded is_open
tty->ops->break_ctl cannot be called outside the gap between open and
close. So there is no need to check whether the port is open in
break_ctl in quatech2. Remove the check and also that member
completely.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Bill Pemberton <wfp5p@virginia.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/serial/quatech2.c')
| -rw-r--r-- | drivers/usb/serial/quatech2.c | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/drivers/usb/serial/quatech2.c b/drivers/usb/serial/quatech2.c index 00e6c9bac8a3..d8531047b41a 100644 --- a/drivers/usb/serial/quatech2.c +++ b/drivers/usb/serial/quatech2.c @@ -116,7 +116,6 @@ struct qt2_serial_private { }; struct qt2_port_private { - bool is_open; u8 device_port; spinlock_t urb_lock; @@ -398,7 +397,6 @@ static int qt2_open(struct tty_struct *tty, struct usb_serial_port *port) return status; } - port_priv->is_open = true; port_priv->device_port = (u8) device_port; if (tty) @@ -418,8 +416,6 @@ static void qt2_close(struct usb_serial_port *port) serial = port->serial; port_priv = usb_get_serial_port_data(port); - port_priv->is_open = false; - spin_lock_irqsave(&port_priv->urb_lock, flags); usb_kill_urb(port_priv->write_urb); port_priv->urb_in_use = false; @@ -905,12 +901,6 @@ static void qt2_break_ctl(struct tty_struct *tty, int break_state) port_priv = usb_get_serial_port_data(port); - if (!port_priv->is_open) { - dev_err(&port->dev, - "%s - port is not open\n", __func__); - return; - } - val = (break_state == -1) ? 1 : 0; status = qt2_control_msg(port->serial->dev, QT2_BREAK_CONTROL, |