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Commit ce5c9851 authored by Johan Hovold's avatar Johan Hovold Committed by Greg Kroah-Hartman
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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: default avatarSøren Holm <sgh@sgh.dk>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: default avatarJohan Hovold <jhovold@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent e3fa252a

drivers/usb/serial/pl2303.c

+1 −1
Original line number Diff line number Diff line
@@ -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;