diff options
Diffstat (limited to 'sys/netinet/ip_output.c')
| -rw-r--r-- | sys/netinet/ip_output.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sys/netinet/ip_output.c b/sys/netinet/ip_output.c index 0241479..0a43b2d 100644 --- a/sys/netinet/ip_output.c +++ b/sys/netinet/ip_output.c @@ -291,9 +291,11 @@ again: ip->ip_src = IA_SIN(ia)->sin_addr; } + IN_MULTI_LOCK(); IN_LOOKUP_MULTI(ip->ip_dst, ifp, inm); if (inm != NULL && (imo == NULL || imo->imo_multicast_loop)) { + IN_MULTI_UNLOCK(); /* * If we belong to the destination multicast group * on the outgoing interface, and the caller did not @@ -302,6 +304,7 @@ again: ip_mloopback(ifp, m, dst, hlen); } else { + IN_MULTI_UNLOCK(); /* * If we are acting as a multicast router, perform * multicast forwarding as if the packet had just |
