diff --git a/drivers/staging/emxx_udc/emxx_udc.c b/drivers/staging/emxx_udc/emxx_udc.c
index 1d3135a332586375cee786a404d8e8a3eb4a21c5..bd70ea05708b599f803d917416784c51e385ee5c 100644
--- a/drivers/staging/emxx_udc/emxx_udc.c
+++ b/drivers/staging/emxx_udc/emxx_udc.c
@@ -3117,6 +3117,7 @@ static int nbu2ss_gad_wakeup(struct usb_gadget *pgadget)
 static int nbu2ss_gad_set_selfpowered(struct usb_gadget *pgadget,
 					int is_selfpowered)
 {
+	struct nbu2ss_udc       *udc;
 	unsigned long		flags;
 
 /*	INFO("=== %s()\n", __func__); */
@@ -3126,6 +3127,8 @@ static int nbu2ss_gad_set_selfpowered(struct usb_gadget *pgadget,
 		return -EINVAL;
 	}
 
+	udc = container_of(pgadget, struct nbu2ss_udc, gadget);
+
 	spin_lock_irqsave(&udc->lock, flags);
 	pgadget->is_selfpowered = (is_selfpowered != 0);
 	spin_unlock_irqrestore(&udc->lock, flags);