diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 0ff0feddfd1f9df26a59ac62cc4be07b16c37f6b..318bb3b966879644644126062fb4c33b1392a6ef 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -210,7 +210,7 @@ static void usbdev_vm_close(struct vm_area_struct *vma)
 	dec_usb_memory_use_count(usbm, &usbm->vma_use_count);
 }
 
-static struct vm_operations_struct usbdev_vm_ops = {
+static const struct vm_operations_struct usbdev_vm_ops = {
 	.open = usbdev_vm_open,
 	.close = usbdev_vm_close
 };