diff --git a/[refs] b/[refs]
index 3dc4b54705ca..81d5abfc8c89 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e3fa252a0ef3d1f93bc55cefc2f707359b43c70d
+refs/heads/master: ce5c9851855bab190c9a142761d54ba583ab094c
diff --git a/trunk/drivers/usb/serial/pl2303.c b/trunk/drivers/usb/serial/pl2303.c
index ff4a174fa5de..a1a9062954c4 100644
--- a/trunk/drivers/usb/serial/pl2303.c
+++ b/trunk/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;