diff options
| author | Johan Hovold <jhovold@gmail.com> | 2012-03-23 15:23:18 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-04-09 15:36:20 -0700 |
| commit | ce5c9851855bab190c9a142761d54ba583ab094c (patch) | |
| tree | 92a058162bc04b0f67478875b256ccbe46ed23bb | |
| parent | e3fa252a0ef3d1f93bc55cefc2f707359b43c70d (diff) | |
| download | linux-hpc-ce5c9851855bab190c9a142761d54ba583ab094c.tar.gz | |
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@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>
| -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 ff4a174fa5de8e..a1a9062954c471 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; |