1 files changed, 8 insertions, 2 deletions

diff --git a/net/rxrpc/input.c b/net/rxrpc/input.c
index b5fd6381313d..608d078a4981 100644
--- a/net/rxrpc/input.c
+++ b/net/rxrpc/input.c
@@ -1278,8 +1278,14 @@ void rxrpc_data_ready(struct sock *udp_sk)
                         call = NULL;
                 }
 
-                if (call && sp->hdr.serviceId != call->service_id)
-                        call->service_id = sp->hdr.serviceId;
+                if (call) {
+                        if (sp->hdr.serviceId != call->service_id)
+                                call->service_id = sp->hdr.serviceId;
+                        if ((int)sp->hdr.serial - (int)call->rx_serial > 0)
+                                call->rx_serial = sp->hdr.serial;
+                        if (!test_bit(RXRPC_CALL_RX_HEARD, &call->flags))
+                                set_bit(RXRPC_CALL_RX_HEARD, &call->flags);
+                }
         } else {
                 skew = 0;
                 call = NULL;