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USB: pl2303: fix DTR/RTS being raised on baud rate change

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DTR/RTS should only be raised when changing baudrate from B0 and not on
any baud rate change (> B0).

Reported-by: Søren Holm <sgh@sgh.dk>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Johan Hovold 2012-03-23 15:23:18 +01:00 committed by Greg Kroah-Hartman
parent e3fa252a0e
commit ce5c985185
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/serial/pl2303.c
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@ -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;