On Tue, Feb 13, 2024 at 3:26 PM Steve Sistare <steven.sistare@xxxxxxxxxx> wrote: > > If a vdpa device is not in state DRIVER_OK, then there is no driver state > to preserve, so no need to call the suspend and resume driver ops. > > Suggested-by: Eugenio Perez Martin <eperezma@xxxxxxxxxx>" > Signed-off-by: Steve Sistare <steven.sistare@xxxxxxxxxx> Reviewed-by: Eugenio Pérez <eperezma@xxxxxxxxxx> Please include a changelog from previous versions for the next series. Thanks! > --- > drivers/vhost/vdpa.c | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c > index bc4a51e4638b..aef92a7c57f3 100644 > --- a/drivers/vhost/vdpa.c > +++ b/drivers/vhost/vdpa.c > @@ -595,6 +595,9 @@ static long vhost_vdpa_suspend(struct vhost_vdpa *v) > const struct vdpa_config_ops *ops = vdpa->config; > int ret; > > + if (!(ops->get_status(vdpa) & VIRTIO_CONFIG_S_DRIVER_OK)) > + return 0; > + > if (!ops->suspend) > return -EOPNOTSUPP; > > @@ -615,6 +618,9 @@ static long vhost_vdpa_resume(struct vhost_vdpa *v) > const struct vdpa_config_ops *ops = vdpa->config; > int ret; > > + if (!(ops->get_status(vdpa) & VIRTIO_CONFIG_S_DRIVER_OK)) > + return 0; > + > if (!ops->resume) > return -EOPNOTSUPP; > > -- > 2.39.3 >
