From fd4d52deab2b1e13c559fd8e4ed4d5eb515f30cb Mon Sep 17 00:00:00 2001
From: Juan Quintela <quintela@redhat.com>
Date: Thu, 10 Sep 2009 03:04:31 +0200
Subject: vmstate: Add pre_load() hook

Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
---
 savevm.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'savevm.c')

diff --git a/savevm.c b/savevm.c
index 38f9946..8ae8d16 100644
--- a/savevm.c
+++ b/savevm.c
@@ -1028,6 +1028,11 @@ int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd,
     if  (version_id < vmsd->minimum_version_id) {
         return vmsd->load_state_old(f, opaque, version_id);
     }
+    if (vmsd->pre_load) {
+        int ret = vmsd->pre_load(opaque);
+        if (ret)
+            return ret;
+    }
     while(field->name) {
         if (field->version_id <= version_id) {
             void *base_addr = opaque + field->offset;
-- 
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