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-rw-r--r--drivers/usb/class/cdc-acm.c2
-rw-r--r--drivers/usb/gadget/serial.c2
-rw-r--r--drivers/usb/serial/usb-serial.c2
3 files changed, 3 insertions, 3 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index ca90326f2f5..71288295df2 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1120,7 +1120,7 @@ static struct usb_driver acm_driver = {
* TTY driver structures.
*/
-static struct tty_operations acm_ops = {
+static const struct tty_operations acm_ops = {
.open = acm_tty_open,
.close = acm_tty_close,
.write = acm_tty_write,
diff --git a/drivers/usb/gadget/serial.c b/drivers/usb/gadget/serial.c
index b893e3118e1..489a85e58bc 100644
--- a/drivers/usb/gadget/serial.c
+++ b/drivers/usb/gadget/serial.c
@@ -271,7 +271,7 @@ static unsigned int use_acm = GS_DEFAULT_USE_ACM;
/* tty driver struct */
-static struct tty_operations gs_tty_ops = {
+static const struct tty_operations gs_tty_ops = {
.open = gs_open,
.close = gs_close,
.write = gs_write,
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 0222d92842b..8006e51c34b 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -1015,7 +1015,7 @@ void usb_serial_disconnect(struct usb_interface *interface)
dev_info(dev, "device disconnected\n");
}
-static struct tty_operations serial_ops = {
+static const struct tty_operations serial_ops = {
.open = serial_open,
.close = serial_close,
.write = serial_write,