From 5714aaddcbc313e63da435a253d9d472984d7b49 Mon Sep 17 00:00:00 2001
From: libai <libai12@huawei.com>
Date: Thu, 14 Dec 2023 11:22:54 +0800
Subject: [PATCH] vdpa: correct param passed in when unregister save

The idstr passed in the unregister_savevm function is inconsisten
with the idstr passed in when register_savevm_live registration.
Needs to be modified, otherwise migration will fail after hotunplug
all vdpa devices.

Signed-off-by: libai <libai12@huawei.com>
---
 hw/virtio/vdpa-dev-mig.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/virtio/vdpa-dev-mig.c b/hw/virtio/vdpa-dev-mig.c
index b889dd4715..1d299019da 100644
--- a/hw/virtio/vdpa-dev-mig.c
+++ b/hw/virtio/vdpa-dev-mig.c
@@ -404,6 +404,6 @@ void vdpa_migration_register(VhostVdpaDevice *vdev)
 void vdpa_migration_unregister(VhostVdpaDevice *vdev)
 {
     migration_remove_notifier(&vdev->migration_state);
-    unregister_savevm(VMSTATE_IF(&vdev->parent_obj.parent_obj), "vdpa", DEVICE(vdev));
+    unregister_savevm(NULL, "vdpa", DEVICE(vdev));
     qemu_del_vm_change_state_handler(vdev->vmstate);
 }
-- 
2.27.0