usb: dwc3: gadget: correct return from ep_queue

Its better to return from each if condition as they are mutually
exclusive.
Signed-off-by: Pratyush Anand <pratyush.anand@st.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

drivers/usb/dwc3/gadget.c

@@ -1097,6 +1097,7 @@ static int __dwc3_gadget_ep_queue(struct dwc3_ep *dep, struct dwc3_request *req)
 		if (ret && ret != -EBUSY)
 			dev_dbg(dwc->dev, "%s: failed to kick transfers\n",
 					dep->name);
+		return ret;
 	}
 
 	/*
@@ -1113,6 +1114,7 @@ static int __dwc3_gadget_ep_queue(struct dwc3_ep *dep, struct dwc3_request *req)
 		if (ret && ret != -EBUSY)
 			dev_dbg(dwc->dev, "%s: failed to kick transfers\n",
 					dep->name);
+		return ret;
 	}
 
 	return 0;