1 files changed, 15 insertions, 1 deletions

diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c
index a22caf9e5a18..2dfb492a7c94 100644
--- a/net/tipc/bearer.c
+++ b/net/tipc/bearer.c
@@ -697,6 +697,9 @@ static int __tipc_nl_add_bearer(struct tipc_nl_msg *msg,
                 goto prop_msg_full;
         if (nla_put_u32(msg->skb, TIPC_NLA_PROP_WIN, bearer->window))
                 goto prop_msg_full;
+        if (bearer->media->type_id == TIPC_MEDIA_TYPE_UDP)
+                if (nla_put_u32(msg->skb, TIPC_NLA_PROP_MTU, bearer->mtu))
+                        goto prop_msg_full;
 
         nla_nest_end(msg->skb, prop);
 
@@ -979,12 +982,23 @@ int __tipc_nl_bearer_set(struct sk_buff *skb, struct genl_info *info)
 
                 if (props[TIPC_NLA_PROP_TOL]) {
                         b->tolerance = nla_get_u32(props[TIPC_NLA_PROP_TOL]);
-                        tipc_node_apply_tolerance(net, b);
+                        tipc_node_apply_property(net, b, TIPC_NLA_PROP_TOL);
                 }
                 if (props[TIPC_NLA_PROP_PRIO])
                         b->priority = nla_get_u32(props[TIPC_NLA_PROP_PRIO]);
                 if (props[TIPC_NLA_PROP_WIN])
                         b->window = nla_get_u32(props[TIPC_NLA_PROP_WIN]);
+                if (props[TIPC_NLA_PROP_MTU]) {
+                        if (b->media->type_id != TIPC_MEDIA_TYPE_UDP)
+                                return -EINVAL;
+#ifdef CONFIG_TIPC_MEDIA_UDP
+                        if (tipc_udp_mtu_bad(nla_get_u32
+                                             (props[TIPC_NLA_PROP_MTU])))
+                                return -EINVAL;
+                        b->mtu = nla_get_u32(props[TIPC_NLA_PROP_MTU]);
+                        tipc_node_apply_property(net, b, TIPC_NLA_PROP_MTU);
+#endif
+                }
         }
 
         return 0;