commit b47d3af7559b6fe17a2a86a1f0bf69f386873753
author Juan Quintela <quintela@redhat.com> Mon Jan 11 12:40:22 2016 +0000
committer Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Sat Jan 16 12:01:23 2016 +0000
tree 6adc1f3a61e3457ff0c229ba9f1e7df32646c9e2
parent 551747491d6677e4cc6cac8750462887a09bc722

vmstate: Introduce VMSTATE_VARRAY_MULTPLY

This allows to send a partial array where the size is another
structure field multiplied by a constant.

Signed-off-by: Juan Quintela <quintela@redhat.com>
[PMM: updated to current master]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>

migration/vmstate.c

diff --git a/migration/vmstate.c b/migration/vmstate.c
index f70fe59..a7ad7f2 100644
--- a/migration/vmstate.c
+++ b/migration/vmstate.c
@@ -28,6 +28,10 @@
         n_elems = *(uint8_t *)(opaque+field->num_offset);
     }
 
+    if (field->flags & VMS_MULTIPLY_ELEMENTS) {
+        n_elems *= field->num;
+    }
+
     return n_elems;
 }