drm/vmwgfx: return -EFAULT for copy_to_user errors
authorDan Carpenter <error27@gmail.com>
Fri, 4 Jun 2010 10:24:13 +0000 (12:24 +0200)
committerDave Airlie <airlied@redhat.com>
Mon, 7 Jun 2010 23:33:41 +0000 (09:33 +1000)
commit9b8eb4d14767209c83087063352cd04266ecdfd1
tree7b98bf40cd556d29c0a673a1c3d141d08635b455
parente902a358c753b93245083201c02312a580cf13d4
drm/vmwgfx: return -EFAULT for copy_to_user errors

copy_to/from_user() returns the number of bytes remaining to be copied
but we want to return a negative error code here.  This gets returned to
userspace.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
drivers/gpu/drm/vmwgfx/vmwgfx_resource.c