diff options
| author | Johan Hovold <jhovold@gmail.com> | 2012-03-23 15:23:18 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-04-22 15:38:59 -0700 |
| commit | 7d5c138878497d932eea55cf1f12922ce3b7e76b (patch) | |
| tree | d2e2baec278a8068b74e56b2f4ef9163486f4e6f | |
| parent | 91fef73a5fbe6b5a9e8ede8aebf74442b0a70d9b (diff) | |
USB: pl2303: fix DTR/RTS being raised on baud rate change
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 <sgh@sgh.dk>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | 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 3d8cda57ce7a..d6c2f8c2be34 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -421,7 +421,7 @@ 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; |