kern/156978: [lagg][patch] Take lagg rlock before checking flags

[linimon at FreeBSD.org]

Synopsis: [lagg][patch] Take lagg rlock before checking flags

Responsible-Changed-From-To: freebsd-bugs->freebsd-net
Responsible-Changed-By: linimon
Responsible-Changed-When: Thu May 12 14:36:20 UTC 2011
Responsible-Changed-Why: 
Over to maintainer(s).

http://www.freebsd.org/cgi/query-pr.cgi?pr=156978