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Message-Id: <1332512598-5720-1-git-send-email-jhovold@gmail.com>
Date: Fri, 23 Mar 2012 15:23:18 +0100
From: Johan Hovold <jhovold@...il.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: linux-kernel@...r.kernel.org,
Søren holm <sgh@....dk>,
Johan Hovold <jhovold@...il.com>,
stable <stable@...r.kernel.org>
Subject: [PATCH] USB: pl2303: fix DTR/RTS being raised on baud rate change
DTR/RTS should only be raised when changing baudrate from B0 and not on
any baud rate change (> B0).
Reported-by: Søren Holm <sgh@....dk>
Cc: stable <stable@...r.kernel.org>
Signed-off-by: Johan Hovold <jhovold@...il.com>
---
drivers/usb/serial/pl2303.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 052c401..c3b1911 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -420,7 +420,7 @@ static void pl2303_set_termios(struct tty_struct *tty,
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;
--
1.7.8.5
--
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