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authorJohan Hovold <jhovold@gmail.com>2009-10-07 20:05:04 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2009-10-09 13:52:04 -0700
commit0cbd81a9f6bac734ac3266687bf027af1e395270 (patch)
tree470e6c2343c7f80712eef3855a31fe5e752d3a7e
parent36a07902c2134649c4af7f07980413ffb1a56085 (diff)
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 <jhovold@gmail.com> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r--drivers/usb/serial/ftdi_sio.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 4f883b1773d..0ac2c2f540c 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) */