cfm: cfm_configure() only update when necessary.
authorEthan Jackson <ethan@nicira.com>
Fri, 1 Apr 2011 20:22:44 +0000 (13:22 -0700)
committerEthan Jackson <ethan@nicira.com>
Fri, 1 Apr 2011 20:36:38 +0000 (13:36 -0700)
Calling cfm_configure often could cause timers to be reset
resulting in unexpected behavior.  This commit only updates when
cfm configuration actually changed.

Bug #5244.


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