diff --git a/[refs] b/[refs]
index 353830fd84a9..183044274a25 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6d558a52ba295fc1c281c671d7daab2f74ddb4f2
+refs/heads/master: 6c59f56978c3dffd447176d218bc5852842c9ce9
diff --git a/trunk/drivers/net/usb/hso.c b/trunk/drivers/net/usb/hso.c
index 94c41bbedee9..35a7772cf1a6 100644
--- a/trunk/drivers/net/usb/hso.c
+++ b/trunk/drivers/net/usb/hso.c
@@ -2725,7 +2725,7 @@ static int hso_mux_submit_intr_urb(struct hso_shared_int *shared_int,
 }
 
 /* operations setup of the serial interface */
-static struct tty_operations hso_serial_ops = {
+static const struct tty_operations hso_serial_ops = {
 	.open = hso_serial_open,
 	.close = hso_serial_close,
 	.write = hso_serial_write,