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Span registration is the last step in during initialization and it should be the first on unregistration. I also was hit by this when looking at adding other members to the span and made the assumption that the span was in a consistent state during unregistration. Signed-off-by: Shaun Ruffell <sruffell@digium.com> Acked-by: Kinsey Moore <kmoore@digium.com> Acked-By: Russ Meyerriecks <rmeyerriecks@digium.com> git-svn-id: http://svn.asterisk.org/svn/dahdi/linux/trunk@9536 a0bf4364-ded3-4de4-8d8a-66a801d63aff