From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758141AbZJPR21 (ORCPT ); Fri, 16 Oct 2009 13:28:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753526AbZJPR2Y (ORCPT ); Fri, 16 Oct 2009 13:28:24 -0400 Received: from kroah.org ([198.145.64.141]:48452 "EHLO coco.kroah.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752964AbZJPRSQ (ORCPT ); Fri, 16 Oct 2009 13:18:16 -0400 X-Mailbox-Line: From linux@linux.site Fri Oct 16 10:11:50 2009 Message-Id: <20091016171149.936555143@linux.site> User-Agent: quilt/0.47-14.9 Date: Fri, 16 Oct 2009 10:10:00 -0700 From: Greg KH To: linux-kernel@vger.kernel.org, stable@kernel.org Cc: stable-review@kernel.org, torvalds@linux-foundation.org, akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, Johan Hovold , Greg Kroah-Hartman Subject: [07/46] USB: ftdi_sio: remove tty->low_latency References: <20091016170953.128828149@linux.site> Content-Disposition: inline; filename=usb-ftdi_sio-remove-tty-low_latency.patch In-Reply-To: <20091016171422.GA13339@kroah.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 2.6.31-stable review patch. If anyone has any objections, please let us know. ------------------ From: Johan Hovold commit 0cbd81a9f6bac734ac3266687bf027af1e395270 upstream. Fixes tty_flip_buffer_push being called from hard interrupt context with low_latency set. Signed-off-by: Johan Hovold Signed-off-by: Greg Kroah-Hartman Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/ftdi_sio.c | 4 ---- 1 file changed, 4 deletions(-) --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -1235,7 +1235,6 @@ static int set_serial_info(struct tty_st (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: @@ -1706,9 +1705,6 @@ static int ftdi_open(struct tty_struct * 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) */