diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c index c3173dced870..16bfd50cd3fe 100644 --- a/drivers/scsi/virtio_scsi.c +++ b/drivers/scsi/virtio_scsi.c @@ -956,6 +956,10 @@ static void virtscsi_remove(struct virtio_device *vdev) #ifdef CONFIG_PM_SLEEP static int virtscsi_freeze(struct virtio_device *vdev) { + struct Scsi_Host *sh = virtio_scsi_host(vdev); + struct virtio_scsi *vscsi = shost_priv(sh); + + unregister_hotcpu_notifier(&vscsi->nb); virtscsi_remove_vqs(vdev); return 0; } @@ -964,8 +968,17 @@ static int virtscsi_restore(struct virtio_device *vdev) { struct Scsi_Host *sh = virtio_scsi_host(vdev); struct virtio_scsi *vscsi = shost_priv(sh); + int err; - return virtscsi_init(vdev, vscsi); + err = virtscsi_init(vdev, vscsi); + if (err) + return err; + + err = register_hotcpu_notifier(&vscsi->nb); + if (err) + vdev->config->del_vqs(vdev); + + return err; } #endif