Make save function optional

(Ian Jackson)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4749 c046a42c-6fe2-441c-8c8c-71466251a162

diff --git a/vl.c b/vl.c
index d759fde9acb27eeaf4e5eb2e05457ca77cf31bc2..37301b02fde18ea4d4d589561c8e59b19ee1a455 100644 (file)
--- a/vl.c
+++ b/vl.c
@@ -5987,6 +5987,10 @@ static int qemu_savevm_state(QEMUFile *f)
     qemu_put_be64(f, 0); /* total size */
 
     for(se = first_se; se != NULL; se = se->next) {
+       if (se->save_state == NULL)
+           /* this one has a loader only, for backwards compatibility */
+           continue;
+
         /* ID string */
         len = strlen(se->idstr);
         qemu_put_byte(f, len);