[PATCH] block/sed: Fix opal user range check and unused variables

[Scott Bauer]

On Mon, Mar 06, 2017 at 08:41:04AM -0700, Jon Derrick wrote:
> Fixes check that the opal user is within the range, and cleans up unused
> method variables.
> 
> Signed-off-by: Jon Derrick <jonathan.derrick at intel.com>
Reviewed-by: Scott Bauer <scott.bauer at intel.com>