Dan Carpenter 9a991600e3 drm/tegra: return -EFAULT if copy_from_user() fails
copy_from_user() returns the number of bytes remaining if it fails, but
we want to return -EFAULT here.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2013-12-03 10:14:03 +01:00
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