ret should be -1 when lwp_park returns
ret should be -1 when lwp_park returns

Signed-off-by: Scott Weiss <c131bbdcbdcedaee666cc960f646505569f0b8f5@emc.com>

deferpanic/gorump,deferpanic/gorump,deferpanic/gorump,deferpanic/gorump,deferpanic/gorump,deferpanic/gorump,deferpanic/gorump,deferpanic/gorump