K 10
svn:author
V 2
ae
K 8
svn:date
V 27
2020-11-11T15:53:36.486771Z
K 7
svn:log
V 404
Fix possible NULL pointer dereference.

lagg(4) replaces if_output method of its child interfaces and expects
that this method can be called only by child interfaces. But it is
possible that lagg_port_output() could be called by children of child
interfaces. In this case ifnet's if_lagg field is NULL. Add check that
lp is not NULL.

Obtained from:	Yandex LLC
MFC after:	1 week
Sponsored by:	Yandex LLC

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