--- drivers/media/usb/uvc/uvc_driver.c.orig	2015-06-06 22:48:39.375283516 +0900
+++ drivers/media/usb/uvc/uvc_driver.c	2015-06-06 22:48:08.371766829 +0900
@@ -1496,7 +1496,8 @@
 	if (entity == NULL) {
 		uvc_trace(UVC_TRACE_DESCR, "Found reference to "
 			"unknown entity %d.\n", id);
-		return -EINVAL;
+//		return -EINVAL;
+return 0;
 	}

 	*_entity = entity;
@@ -1518,7 +1519,8 @@
 		if (entity->chain.next || entity->chain.prev) {
 			uvc_trace(UVC_TRACE_DESCR, "Found reference to "
 				"entity %d already in chain.\n", entity->id);
-			return -EINVAL;
+//			return -EINVAL;
+return 0;
 		}

 		/* Process entity */