drm/vc4: Fix a couple error codes in vc4_cl_lookup_bos()
authorDan Carpenter <dan.carpenter@oracle.com>
Thu, 13 Oct 2016 08:54:31 +0000 (11:54 +0300)
committerEric Anholt <eric@anholt.net>
Mon, 17 Oct 2016 17:00:11 +0000 (10:00 -0700)
commitb2cdeb19f16ad984eb5bb9193f793d05a8101511
treecbad29c7d537e3c72755377460a7b5222f7a35d3
parent1001354ca34179f3db924eb66672442a173147dc
drm/vc4: Fix a couple error codes in vc4_cl_lookup_bos()

If the allocation fails the current code returns success.  If
copy_from_user() fails it returns the number of bytes remaining instead
of -EFAULT.

Fixes: d5b1a78a772f ("drm/vc4: Add support for drawing 3D frames.")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
drivers/gpu/drm/vc4/vc4_gem.c