Author: maxim
Date: Wed Jul 27 07:02:33 2011
New Revision: 224466
URL: http://svn.freebsd.org/changeset/base/224466
Log:
MFC r223846 by thompsa: grab the rlock before checking if our
interface is enabled.
Approved by: thompsa
Modified:
stable/8/sys/net/if_lagg.c
Modified: stable/8/sys/net/if_lagg.c
==============================================================================
--- stable/8/sys/net/if_lagg.c Wed Jul 27 04:23:26 2011 (r224465)
+++ stable/8/sys/net/if_lagg.c Wed Jul 27 07:02:33 2011 (r224466)
@@ -1213,14 +1213,15 @@ lagg_input(struct ifnet *ifp, struct mbu
struct lagg_softc *sc = lp->lp_softc;
struct ifnet *scifp = sc->sc_ifp;
+ LAGG_RLOCK(sc);
if ((scifp->if_drv_flags & IFF_DRV_RUNNING) == 0 ||
(lp->lp_flags & LAGG_PORT_DISABLED) ||
sc->sc_proto == LAGG_PROTO_NONE) {
+ LAGG_RUNLOCK(sc);
m_freem(m);
return (NULL);
}
- LAGG_RLOCK(sc);
ETHER_BPF_MTAP(scifp, m);
m = (*sc->sc_input)(sc, lp, m);
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