tree 616e2f91b5f2a938454536a55f688769a847f774
parent 307d8e6f248558b184a2513593dbbeb08406a4fa
author Dan Williams <dan.j.williams@intel.com> 1466444672 -0700
committer Dan Williams <dan.j.williams@intel.com> 1466615956 -0700

um: track 'parent' device in a local variable

In preparation for the removal of 'driverfs_dev' from 'struct gendisk'
use a local variable to track the parented vs un-parented case in
ubd_disk_register().

Cc: Jeff Dike <jdike@addtoit.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Bart Van Assche <bart.vanassche@sandisk.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>