Author: adrian
Date: Thu Aug 21 00:57:32 2014
New Revision: 270254
URL: http://svnweb.freebsd.org/changeset/base/270254
Log:
Add missing locking.
Whilst here, assert that the lock is held when calling epstop().
Tested:
ep0: <3com Megahertz 574B>
Modified:
head/sys/dev/ep/if_ep.c
Modified: head/sys/dev/ep/if_ep.c
==============================================================================
--- head/sys/dev/ep/if_ep.c Wed Aug 20 23:37:44 2014 (r270253)
+++ head/sys/dev/ep/if_ep.c Thu Aug 21 00:57:32 2014 (r270254)
@@ -343,7 +343,9 @@ ep_attach(struct ep_softc *sc)
EP_FSET(sc, F_RX_FIRST);
sc->top = sc->mcur = 0;
+ EP_LOCK(sc);
epstop(sc);
+ EP_UNLOCK(sc);
return (0);
}
@@ -1000,6 +1002,9 @@ epwatchdog(struct ep_softc *sc)
static void
epstop(struct ep_softc *sc)
{
+
+ EP_ASSERT_LOCKED(sc);
+
CSR_WRITE_2(sc, EP_COMMAND, RX_DISABLE);
CSR_WRITE_2(sc, EP_COMMAND, RX_DISCARD_TOP_PACK);
EP_BUSY_WAIT(sc);
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