migration: Remove section_id parameter from vmstate_load

Everything else assumes that we always load a device from its own
savevm handler.
Signed-off-by: NJuan Quintela <quintela@redhat.com>
Reviewed-by: NLaurent Vivier <lvivier@redhat.com>
Reviewed-by: NPeter Xu <peterx@redhat.com>
Reviewed-by: NDr. David Alan Gilbert <dgilbert@redhat.com>

migration/savevm.c

@@ -746,13 +746,13 @@ void vmstate_unregister(DeviceState *dev, const VMStateDescription *vmsd,
     }
 }
 
-static int vmstate_load(QEMUFile *f, SaveStateEntry *se, int version_id)
+static int vmstate_load(QEMUFile *f, SaveStateEntry *se)
 {
     trace_vmstate_load(se->idstr, se->vmsd ? se->vmsd->name : "(old)");
     if (!se->vmsd) {         /* Old style */
-        return se->ops->load_state(f, se->opaque, version_id);
+        return se->ops->load_state(f, se->opaque, se->load_version_id);
     }
-    return vmstate_load_state(f, se->vmsd, se->opaque, version_id);
+    return vmstate_load_state(f, se->vmsd, se->opaque, se->load_version_id);
 }
 
 static void vmstate_save_old_style(QEMUFile *f, SaveStateEntry *se, QJSON *vmdesc)
@@ -1882,7 +1882,7 @@ qemu_loadvm_section_start_full(QEMUFile *f, MigrationIncomingState *mis)
         return -EINVAL;
     }
 
-    ret = vmstate_load(f, se, se->load_version_id);
+    ret = vmstate_load(f, se);
     if (ret < 0) {
         error_report("error while loading state for instance 0x%x of"
                      " device '%s'", instance_id, idstr);
@@ -1915,7 +1915,7 @@ qemu_loadvm_section_part_end(QEMUFile *f, MigrationIncomingState *mis)
         return -EINVAL;
     }
 
-    ret = vmstate_load(f, se, se->load_version_id);
+    ret = vmstate_load(f, se);
     if (ret < 0) {
         error_report("error while loading state section id %d(%s)",
                      section_id, se->idstr);