migration/rdma: Don't moan about disconnects at the end

If we've already finished the migration or something has
already gone wrong, don't moan about the migration stream disconnecting.

Signed-off-by: Dr. David Alan Gilbert <[email protected]>
Message-Id: <20190913163507[email protected]>
Reviewed-by: Peter Xu <[email protected]>
Signed-off-by: Dr. David Alan Gilbert <[email protected]>

diff --git a/migration/rdma.c b/migration/rdma.c
index 78e6b72bacd746b37a0184a7247103dd15643377..0fcf02f48e01953c73bbb5e68c57c830acd7afe2 100644 (file)
--- a/migration/rdma.c
+++ b/migration/rdma.c
@@ -3253,10 +3253,14 @@ static void rdma_cm_poll_handler(void *opaque)
 
     if (cm_event->event == RDMA_CM_EVENT_DISCONNECTED ||
         cm_event->event == RDMA_CM_EVENT_DEVICE_REMOVAL) {
-        error_report("receive cm event, cm event is %d", cm_event->event);
-        rdma->error_state = -EPIPE;
-        if (rdma->return_path) {
-            rdma->return_path->error_state = -EPIPE;
+        if (!rdma->error_state &&
+            migration_incoming_get_current()->state !=
+              MIGRATION_STATUS_COMPLETED) {
+            error_report("receive cm event, cm event is %d", cm_event->event);
+            rdma->error_state = -EPIPE;
+            if (rdma->return_path) {
+                rdma->return_path->error_state = -EPIPE;
+            }
         }
 
         if (mis->migration_incoming_co) {