diff options
Diffstat (limited to 'pimd/pim_sock.c')
| -rw-r--r-- | pimd/pim_sock.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/pimd/pim_sock.c b/pimd/pim_sock.c index 8f8f4f191f..4312fe73b2 100644 --- a/pimd/pim_sock.c +++ b/pimd/pim_sock.c @@ -113,6 +113,7 @@ pim_socket_bind (int fd, struct interface *ifp) int pim_socket_mcast(int protocol, struct in_addr ifaddr, int ifindex, u_char loop) { + struct ip_mreqn mreq; int fd; fd = pim_socket_raw(protocol); @@ -214,8 +215,10 @@ int pim_socket_mcast(int protocol, struct in_addr ifaddr, int ifindex, u_char lo return PIM_SOCK_ERR_LOOP; } + memset (&mreq, 0, sizeof (mreq)); + mreq.imr_ifindex = ifindex; if (setsockopt(fd, IPPROTO_IP, IP_MULTICAST_IF, - (void *) &ifaddr, sizeof(ifaddr))) { + (void *) &mreq, sizeof(mreq))) { zlog_warn("Could not set Outgoing Interface Option on socket fd=%d: errno=%d: %s", fd, errno, safe_strerror(errno)); close(fd); |