From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932755Ab2DSV6E (ORCPT ); Thu, 19 Apr 2012 17:58:04 -0400 Received: from mail-pb0-f46.google.com ([209.85.160.46]:41537 "EHLO mail-pb0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932680Ab2DSVHM (ORCPT ); Thu, 19 Apr 2012 17:07:12 -0400 Message-Id: <20120419210306.806241195@linuxfoundation.org> User-Agent: quilt/0.60-19.1 Date: Thu, 19 Apr 2012 14:03:46 -0700 From: Greg KH To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: torvalds@linux-foundation.org, akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, =?UTF-8?q?S=C3=B8ren=20Holm?= , Johan Hovold Subject: [ 43/75] USB: pl2303: fix DTR/RTS being raised on baud rate change In-Reply-To: <20120419210322.GA6478@kroah.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.3-stable review patch. If anyone has any objections, please let me know. ------------------ From: Johan Hovold commit ce5c9851855bab190c9a142761d54ba583ab094c upstream. DTR/RTS should only be raised when changing baudrate from B0 and not on any baud rate change (> B0). Reported-by: Søren Holm Signed-off-by: Johan Hovold Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/pl2303.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -421,7 +421,7 @@ static void pl2303_set_termios(struct tt control = priv->line_control; if ((cflag & CBAUD) == B0) priv->line_control &= ~(CONTROL_DTR | CONTROL_RTS); - else + else if ((old_termios->c_cflag & CBAUD) == B0) priv->line_control |= (CONTROL_DTR | CONTROL_RTS); if (control != priv->line_control) { control = priv->line_control;