USB: last abuses of intfdata in close for usb-serial drivers

these drivers abused intfdata in close() as flags for binding.
That races with reprobing of those devices. This patch fixes that by using
the flag and the locks introduced with the patch against mos7720.

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/usb/serial/oti6858.c b/drivers/usb/serial/oti6858.c
index db725aaf7d19..a3847d6c946e 100644
--- a/drivers/usb/serial/oti6858.c
+++ b/drivers/usb/serial/oti6858.c
@@ -649,7 +649,7 @@ static void oti6858_close(struct usb_serial_port *port, struct file *filp)
                 set_current_state(TASK_INTERRUPTIBLE);
                 if (oti6858_buf_data_avail(priv->buf) == 0
                 || timeout == 0 || signal_pending(current)
-                || !usb_get_intfdata(port->serial->interface))  /* disconnect */
+                || port->serial->disconnected)
                         break;
                 spin_unlock_irqrestore(&priv->lock, flags);
                 timeout = schedule_timeout(timeout);