USB: oti6858: fix TIOCMIWAIT and disconnect
Use tty-port modem-status-change wait queue on which processes are woken
up at hangup and disconnect.
Currently a process waiting on modem-status changes will not be woken on
device disconnect.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/usb/serial/oti6858.c b/drivers/usb/serial/oti6858.c
index fd5dcb8..7e3e078 100644
--- a/drivers/usb/serial/oti6858.c
+++ b/drivers/usb/serial/oti6858.c
@@ -662,7 +662,7 @@
spin_unlock_irqrestore(&priv->lock, flags);
while (1) {
- wait_event_interruptible(port->delta_msr_wait,
+ wait_event_interruptible(port->port.delta_msr_wait,
port->serial->disconnected ||
priv->status.pin_state != prev);
if (signal_pending(current))
@@ -747,7 +747,7 @@
if (!priv->transient) {
if (xs->pin_state != priv->status.pin_state)
- wake_up_interruptible(&port->delta_msr_wait);
+ wake_up_interruptible(&port->port.delta_msr_wait);
memcpy(&priv->status, xs, OTI6858_CTRL_PKT_SIZE);
}