pr-poll-loop: Do not add FD when events is empty

Signed-off-by: Jan Friesse <jfriesse@redhat.com>

diff --git a/qdevices/pr-poll-loop.c b/qdevices/pr-poll-loop.c
index c39774584d8304cecde7337d0951cf3c30ff7d4f..d92cf5264429e14d3aa287532519fb4e5b0adfed 100644 (file)
--- a/qdevices/pr-poll-loop.c
+++ b/qdevices/pr-poll-loop.c
@@ -279,6 +279,13 @@ int prepare_poll_array(struct pr_poll_loop *poll_loop)
                        return (-2);
                }
 
+               if (events == 0) {
+                       /*
+                        * Empty events -> do not add entry
+                        */
+                       res = -1;
+               }
+
                switch (res) {
                case 0:
                        /*