1 files changed, 1 insertions, 1 deletions

diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 777ed733b2d7..85947eae5bf7 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -337,7 +337,7 @@ int ndisc_mc_map(struct in6_addr *addr, char *buf, struct net_device *dev, int d
                 ipv6_arcnet_mc_map(addr, buf);
                 return 0;
         case ARPHRD_INFINIBAND:
-                ipv6_ib_mc_map(addr, buf);
+                ipv6_ib_mc_map(addr, dev->broadcast, buf);
                 return 0;
         default:
                 if (dir) {