Add VMState support for variable sized arrays

This patch add supports for variable sized arrays whose size is
another field of the state.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/savevm.c b/savevm.c
index 9df198cde3..0290c2e7e9 100644
--- a/savevm.c
+++ b/savevm.c
@@ -997,6 +997,8 @@ int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd,
 
             if (field->flags & VMS_ARRAY) {
                 n_elems = field->num;
+            } else if (field->flags & VMS_VARRAY) {
+                n_elems = *(size_t *)(opaque+field->num_offset);
             }
             if (field->flags & VMS_POINTER) {
                 base_addr = *(void **)base_addr;
@@ -1031,6 +1033,8 @@ void vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd,
 
         if (field->flags & VMS_ARRAY) {
             n_elems = field->num;
+        } else if (field->flags & VMS_VARRAY) {
+            n_elems = *(size_t *)(opaque+field->num_offset);
         }
         if (field->flags & VMS_POINTER) {
             base_addr = *(void **)base_addr;