Sam Leffler b5b47bc6fa Fix ipip_output() to always set *mp to NULL on failure, even if 'm'
is NULL, otherwise ipsec4_process_packet() may try to m_freem() a
bad pointer.

In ipsec4_process_packet(), don't try to m_freem() 'm' twice; ipip_output()
already did it.

Obtained from:	netbsd
2004-01-20 22:45:10 +00:00
..
2004-01-20 22:44:21 +00:00