1 files changed, 1 insertions, 5 deletions

diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index 4747d1c328ff..2c659553c07c 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -462,11 +462,7 @@ static int cp210x_open(struct tty_struct *tty, struct usb_serial_port *port)
 static void cp210x_close(struct usb_serial_port *port)
 {
         usb_serial_generic_close(port);
-
-        mutex_lock(&port->serial->disc_mutex);
-        if (!port->serial->disconnected)
-                cp210x_set_config_single(port, CP210X_IFC_ENABLE, UART_DISABLE);
-        mutex_unlock(&port->serial->disc_mutex);
+        cp210x_set_config_single(port, CP210X_IFC_ENABLE, UART_DISABLE);
 }
 
 /*