Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph...

[firefly-linux-kernel-4.4.55.git] / drivers / usb / serial / cp210x.c

diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index 4747d1c328ffbdc13e1ca4337dc11a6c557711f5..2c659553c07c01df5dc1a65be8341809939fc6f4 100644 (file)
--- 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);
 }
 
 /*