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USB: oti6858: fix abuse of interface data

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Fix abuse of interface data which was used to signal device disconnect.

Note that neither tiocmset or tiocmget need to check for disconnect as
they do not access the device.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Johan Hovold 2012-04-25 15:56:30 +02:00 committed by Greg Kroah-Hartman
parent 81d5a67290
commit 1c51766924
1 changed files with 0 additions and 6 deletions
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6
drivers/usb/serial/oti6858.c
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@ -633,9 +633,6 @@ static int oti6858_tiocmset(struct tty_struct *tty,
dbg("%s(port = %d, set = 0x%08x, clear = 0x%08x)",
__func__, port->number, set, clear);
if (!usb_get_intfdata(port->serial->interface))
return -ENODEV;
/* FIXME: check if this is correct (active high/low) */
spin_lock_irqsave(&priv->lock, flags);
control = priv->pending_setup.control;
@ -665,9 +662,6 @@ static int oti6858_tiocmget(struct tty_struct *tty)
dbg("%s(port = %d)", __func__, port->number);
if (!usb_get_intfdata(port->serial->interface))
return -ENODEV;
spin_lock_irqsave(&priv->lock, flags);
pin_state = priv->status.pin_state & PIN_MASK;
spin_unlock_irqrestore(&priv->lock, flags);