> > > - still leaks mbufs in the cases of ENOBUF?
> > 
> > 	no, we loss "m" due to pullup.
> 
> m will be lost, but m->m_nextpkt isn't.

it seems that you already fixed it.  sorry for noise.

however, with keysock.c rev.1.34,
kp_queue will be stamped in the case of !canwait && ENOBUFS.
i think that it's better to always consult kp_queue first.
(ie. "if (canwait)" -> "if (1)".)

YAMAMOTO Takashi