[gtk/wip/alexl/broadway7: 83/87] broadway: Add warning for unexpected roundtrip delays

[Alexander Larsson <alexl src gnome org>]

commit 54167ec3fad033b1db0366a9c1f9f217b04c60fa
Author: Alexander Larsson <alexl redhat com>
Date:   Fri Mar 29 11:07:21 2019 +0100

    broadway: Add warning for unexpected roundtrip delays

 gdk/broadway/broadway-server.c | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)
---
diff --git a/gdk/broadway/broadway-server.c b/gdk/broadway/broadway-server.c
index dc6f965db0..d52decbeab 100644
--- a/gdk/broadway/broadway-server.c
+++ b/gdk/broadway/broadway-server.c
@@ -703,12 +703,19 @@ parse_input_message (BroadwayInput *input, const unsigned char *message)
 
         if (rt->id == msg.roundtrip_notify.id &&
             rt->tag == msg.roundtrip_notify.tag)
-          {
-            server->outstanding_roundtrips = g_list_delete_link (server->outstanding_roundtrips, l);
-            g_free (rt);
-            break;
-          }
+          break;
       }
+
+    if (l == NULL)
+      g_warning ("Got unexpected rountrip reply for id %d, tag %d\n", msg.roundtrip_notify.id, 
msg.roundtrip_notify.tag);
+    else
+      {
+        BroadwayOutstandingRoundtrip *rt = l->data;
+
+        server->outstanding_roundtrips = g_list_delete_link (server->outstanding_roundtrips, l);
+        g_free (rt);
+      }
+
     break;
 
   case BROADWAY_EVENT_SCREEN_SIZE_CHANGED: