Otherwise, if the _dahdi_assign_span call fails, the dahdi_device will never be removed from the dahdi_devices virtual bus and the board drivers will not be reloadable. Signed-off-by: Shaun Ruffell <sruffell@digium.com> git-svn-id: http://svn.asterisk.org/svn/dahdi/linux/trunk@10331 a0bf4364-ded3-4de4-8d8a-66a801d63aff