evie/android_kernel_oneplus_msm8998
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USB: opticon: remove disconnect test from tiocmset

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Remove unnecessary disconnect test in tiocmset. No ioctls will be made
after disconnect returns.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Johan Hovold 2013-03-21 12:37:43 +01:00 • committed by Greg Kroah-Hartman
parent 94c51dca2c
commit 94bcef6245
1 changed files with 4 additions and 12 deletions
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12
drivers/usb/serial/opticon.c
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@ -309,7 +309,6 @@ static int opticon_tiocmset(struct tty_struct *tty,
unsigned int set, unsigned int clear) unsigned int set, unsigned int clear)
{ {
struct usb_serial_port *port = tty->driver_data; struct usb_serial_port *port = tty->driver_data;
struct usb_serial *serial = port->serial;
struct opticon_private *priv = usb_get_serial_port_data(port); struct opticon_private *priv = usb_get_serial_port_data(port);
unsigned long flags; unsigned long flags;
bool rts; bool rts;
@ -330,18 +329,11 @@ static int opticon_tiocmset(struct tty_struct *tty,
if (!changed) if (!changed)
return 0; return 0;
/* Send the new RTS state to the connected device */
mutex_lock(&serial->disc_mutex);
if (!serial->disconnected) {
ret = send_control_msg(port, CONTROL_RTS, !rts); ret = send_control_msg(port, CONTROL_RTS, !rts);
if (ret) if (ret)
ret = usb_translate_errors(ret); return usb_translate_errors(ret);
} else {
ret = -ENODEV;
}
mutex_unlock(&serial->disc_mutex);
return ret; return 0;
} }
static int get_serial_info(struct usb_serial_port *port, static int get_serial_info(struct usb_serial_port *port,