From: Johan Hovold <jhovold@xxxxxxxxx> Fixes tty_flip_buffer_push being called from hard interrupt context with low_latency set. Signed-off-by: Johan Hovold <jhovold@xxxxxxxxx> Cc: stable <stable@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx> --- drivers/usb/serial/ftdi_sio.c | 4 ---- 1 files changed, 0 insertions(+), 4 deletions(-) diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 4f883b1..0ac2c2f 100644 --- 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) */ -- 1.6.4.2 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html