[patch] i915: return -EFAULT if copy_to_user fails

[Chris Wilson]

On Wed, 23 Jun 2010 19:03:01 +0200, Dan Carpenter <error27 at gmail.com> wrote:
> copy_to_user() returns the number of bytes remaining to be copied and
> I'm pretty sure we want to return a negative error code here.
> 
> Signed-off-by: Dan Carpenter <error27 at gmail.com>
Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>

-- 
Chris Wilson, Intel Open Source Technology Centre