diff options
Diffstat (limited to 'freebsd/sys/net/ieee8023ad_lacp.c')
| -rw-r--r-- | freebsd/sys/net/ieee8023ad_lacp.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/freebsd/sys/net/ieee8023ad_lacp.c b/freebsd/sys/net/ieee8023ad_lacp.c index 20288926..5172ad54 100644 --- a/freebsd/sys/net/ieee8023ad_lacp.c +++ b/freebsd/sys/net/ieee8023ad_lacp.c @@ -586,10 +586,20 @@ lacp_req(struct lagg_softc *sc, caddr_t data) { struct lacp_opreq *req = (struct lacp_opreq *)data; struct lacp_softc *lsc = LACP_SOFTC(sc); - struct lacp_aggregator *la = lsc->lsc_active_aggregator; + struct lacp_aggregator *la; - LACP_LOCK(lsc); bzero(req, sizeof(struct lacp_opreq)); + + /* + * If the LACP softc is NULL, return with the opreq structure full of + * zeros. It is normal for the softc to be NULL while the lagg is + * being destroyed. + */ + if (NULL == lsc) + return; + + la = lsc->lsc_active_aggregator; + LACP_LOCK(lsc); if (la != NULL) { req->actor_prio = ntohs(la->la_actor.lip_systemid.lsi_prio); memcpy(&req->actor_mac, &la->la_actor.lip_systemid.lsi_mac, |