Xiang Li 979f531261 auth: refactor updateRole
We will return error if revoke or grant fails to update the role.
No need to check if revoke or grant is nil or not.
2015-06-22 15:16:10 -07:00
..
2015-06-15 18:18:50 -04:00
2015-06-22 15:16:10 -07:00