K 10
svn:author
V 8
melifaro
K 8
svn:date
V 27
2012-04-24T10:20:24.549867Z
K 7
svn:log
V 245
MFC r226186

Free mbuf in case when protocol in unknown in ng_ipfw_rcvdata().
This change fixes (theoretically) possible mbuf leak introduced in
r225586. Reorder code a bit and change return codes to be more specific

Approved by:    ae(mentor)

END