USB: pl2303: remove bogus delta_msr_wait wake up

Remove bogus MSR wait-queue wake up from process_read_urb which never
updates the MSR flags.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 3dd5398..6234d55 100644 (file)
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -787,7 +787,6 @@ static void pl2303_process_read_urb(struct urb *urb)
        line_status = priv->line_status;
        priv->line_status &= ~UART_STATE_TRANSIENT_MASK;
        spin_unlock_irqrestore(&priv->lock, flags);
-       wake_up_interruptible(&port->port.delta_msr_wait);
 
        if (!urb->actual_length)
                return;