Index: sys/dev/usb/usb_dev.c
===================================================================
--- sys/dev/usb/usb_dev.c
+++ sys/dev/usb/usb_dev.c
@@ -1687,7 +1687,7 @@
 			err = priv_check(curthread, PRIV_DRIVER);
 			if (err)
 				break;
-			usb_template = *(int *)data;
+			usb_set_template(*(int *)data);
 			break;
 		default:
 			err = ENOTTY;
Index: sys/dev/usb/usb_device.h
===================================================================
--- sys/dev/usb/usb_device.h
+++ sys/dev/usb/usb_device.h
@@ -315,6 +315,7 @@
 struct usb_endpoint *usb_endpoint_foreach(struct usb_device *udev, struct usb_endpoint *ep);
 void	usb_set_device_state(struct usb_device *, enum usb_dev_state);
 enum usb_dev_state usb_get_device_state(struct usb_device *);
+void	usb_set_template(int);
 
 uint8_t	usbd_enum_lock(struct usb_device *);
 #if USB_HAVE_UGEN
Index: sys/dev/usb/usb_device.c
===================================================================
--- sys/dev/usb/usb_device.c
+++ sys/dev/usb/usb_device.c
@@ -232,6 +232,19 @@
 	usb_trigger_reprobe_on_off(1);
 }
 
+void
+usb_set_template(int val)
+{
+
+	usb_template = val;
+
+	if (usb_template < 0) {
+		usb_trigger_reprobe_on_off(0);
+	} else {
+		usb_trigger_reprobe_all();
+	}
+}
+
 static int
 sysctl_hw_usb_template(SYSCTL_HANDLER_ARGS)
 {
@@ -242,13 +255,7 @@
 	if (error != 0 || req->newptr == NULL || usb_template == val)
 		return (error);
 
-	usb_template = val;
-
-	if (usb_template < 0) {
-		usb_trigger_reprobe_on_off(0);
-	} else {
-		usb_trigger_reprobe_all();
-	}
+	usb_set_template(val);
 
 	return (0);
 }