K 10
svn:author
V 6
stevek
K 8
svn:date
V 27
2017-06-06T22:17:55.325735Z
K 7
svn:log
V 315
When the input parameter node is NULL, memory is allocated to it.
To later free the memory, introduce a new variable lnode to track when
this happens.

Submitted by:	Thomas Rix <trix@juniper.net>
Reviewed by:	emax
Approved by:	sjg (mentor)
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D9878

END