freebsd-dev/sys/dev/ep
Adrian Chadd f8cdacdd18 Add missing locking.
Whilst here, assert that the lock is held when calling epstop().

Tested:

ep0: <3com Megahertz 574B>
2014-08-21 00:57:32 +00:00
..
if_ep_eisa.c
if_ep_isa.c
if_ep_mca.c
if_ep_pccard.c
if_ep.c
if_epreg.h
if_epvar.h