USB: ftdi_sio: remove tty->low_latency

Fixes tty_flip_buffer_push being called from hard interrupt context with low_latency set. Signed-off-by: Johan Hovold <[email protected]> Cc: stable <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
redbrain17 · Oct 9, 2009 · 0cbd81a · 0cbd81a
1 parent 36a0790
commit 0cbd81a
Showing 1 changed file with 0 additions and 4 deletions.
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
@@ -1234,7 +1234,6 @@ static int set_serial_info(struct tty_struct *tty,
 					(new_serial.flags & ASYNC_FLAGS));
 	priv->custom_divisor = new_serial.custom_divisor;
 
-	tty->low_latency = (priv->flags & ASYNC_LOW_LATENCY) ? 1 : 0;
 	write_latency_timer(port);
 
 check_and_exit:
@@ -1704,9 +1703,6 @@ static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port)
 	priv->rx_bytes = 0;
 	spin_unlock_irqrestore(&priv->rx_lock, flags);
 
-	if (tty)
-		tty->low_latency = (priv->flags & ASYNC_LOW_LATENCY) ? 1 : 0;
-
 	write_latency_timer(port);
 
 	/* No error checking for this (will get errors later anyway) */