diff options
| author | David Edmondson <dme@sun.com> | 2008-09-21 23:59:04 -0700 |
|---|---|---|
| committer | David Edmondson <dme@sun.com> | 2008-09-21 23:59:04 -0700 |
| commit | eff61088b42cee37cf1b09bac8888793f28230e6 (patch) | |
| tree | f54d9d865d70b2d09b603ea881d072080f757947 | |
| parent | 076d97abc78bcba2f2216859fe2c6913cc7aff32 (diff) | |
| download | illumos-joyent-eff61088b42cee37cf1b09bac8888793f28230e6.tar.gz | |
6741794 vnic_bcast_send() needs to learn to deal with empty broadcast groups
| -rw-r--r-- | usr/src/uts/common/io/vnic/vnic_bcast.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/usr/src/uts/common/io/vnic/vnic_bcast.c b/usr/src/uts/common/io/vnic/vnic_bcast.c index bd3252b9af..28ba800fd5 100644 --- a/usr/src/uts/common/io/vnic/vnic_bcast.c +++ b/usr/src/uts/common/io/vnic/vnic_bcast.c @@ -19,12 +19,10 @@ * CDDL HEADER END */ /* - * Copyright 2007 Sun Microsystems, Inc. All rights reserved. + * Copyright 2008 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ -#pragma ident "%Z%%M% %I% %E% SMI" - #include <sys/types.h> #include <sys/sysmacros.h> #include <sys/conf.h> @@ -139,11 +137,15 @@ vnic_bcast_send(void *arg1, void *arg2, mblk_t *mp_chain) uint64_t gen; uint_t i; mblk_t *mp_chain1; - vnic_mac_t *vnic_mac = grp->vbg_vnics[0]->vn_vnic_mac; + vnic_mac_t *vnic_mac; VNIC_BCAST_GRP_REFHOLD(grp); rw_enter(grp_lock, RW_READER); + if (grp->vbg_nvnics == 0) + goto bail; + vnic_mac = grp->vbg_vnics[0]->vn_vnic_mac; + /* * Pass a copy of the mp chain to every VNIC except the sender * VNIC, if the packet was not received from the underlying NIC. |