-From e1d56edafff76ade96b5dce25e7cf1300213929b Mon Sep 17 00:00:00 2001
+From efbaf42dfcaca937a67b560884a74e04ade66dd9 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Thu, 17 Dec 2015 15:36:28 +0300
Subject: [PATCH] drm/vc4: copy_to_user() returns the number of bytes remaining