3 files changed, 5 insertions, 3 deletions

diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c
index 3edda3ed822a..fd35f73b5721 100644
--- a/drivers/usb/serial/digi_acceleport.c
+++ b/drivers/usb/serial/digi_acceleport.c
@@ -1239,8 +1239,7 @@ static void digi_write_bulk_callback(struct urb *urb)
 
         /* port and serial sanity check */
         if (port == NULL || (priv = usb_get_serial_port_data(port)) == NULL) {
-                dev_err(&port->dev,
-                        "%s: port or port->private is NULL, status=%d\n",
+                pr_err("%s: port or port->private is NULL, status=%d\n",
                         __func__, status);
                 return;
         }
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 050211afc07e..79dd1ae195e5 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -2005,6 +2005,8 @@ static void ftdi_set_termios(struct tty_struct *tty,
                                 "urb failed to set to rts/cts flow control\n");
                 }
 
+                /* raise DTR/RTS */
+                set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
         } else {
                 /*
                  * Xon/Xoff code
@@ -2052,6 +2054,8 @@ static void ftdi_set_termios(struct tty_struct *tty,
                         }
                 }
 
+                /* lower DTR/RTS */
+                clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
         }
         return;
 }
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index f8424d1bfc1b..585b7e663740 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -730,7 +730,6 @@ static void mos7840_bulk_in_callback(struct urb *urb)
         mos7840_port = urb->context;
         if (!mos7840_port) {
                 dbg("%s", "NULL mos7840_port pointer");
-                mos7840_port->read_urb_busy = false;
                 return;
         }