diff --git a/[refs] b/[refs]
index 888f952db64b..3214c882ae97 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 79dc4386aec655ad829f320ab90888bacbc7037b
+refs/heads/master: 2c04ddb707b4d50c314186249f466b6720ee4289
diff --git a/trunk/net/netlink/genetlink.c b/trunk/net/netlink/genetlink.c
index 61d65569e2be..457a2873bb03 100644
--- a/trunk/net/netlink/genetlink.c
+++ b/trunk/net/netlink/genetlink.c
@@ -184,7 +184,7 @@ int genl_register_mc_group(struct genl_family *family,
 	}
 
 	err = netlink_change_ngroups(genl_sock,
-				     sizeof(unsigned long) * NETLINK_GENERIC);
+				     mc_groups_longs * BITS_PER_LONG);
 	if (err)
 		goto out;