On Wed, 6 Nov 2024 at 16:05, Stefano Garzarella <sgarz...@redhat.com> wrote: > >+fail_iotlb: > >+ hdev->vhost_ops->vhost_set_iotlb_callback(hdev, false); > > fail_start: > >+ hdev->vhost_ops->vhost_dev_start(hdev, false); > > This should go before the fail_start label, since it should not be > called when vhost_dev_start() fails.
* I see, okay. > Also we need to check if that callback is defined. * That check is already done while reaching the 'goto fail_iotlb;' statement, no? OR maybe we only check for: hdev->vhost_ops->vhost_dev_start() function? > >* Looking at the vhost_vdpa_dev_start(), when it is called with > >'started=false' parameter, it calls the vdpa_suspend, vdpa_stop etc. > >functions. ie. probably other ->vhost_dev_start() and > >->vhost_set_iotlb_callback() functions need to take appropriate action > >when called with 'started/enabled=false' parameter. > > We already call them in vhost_dev_stop(), so I guess we are fine. * I meant vhost device functions like vhost_user_dev_start() and vhost_user_set_iotlb_callback() need to take action when called with a 'false' parameter. Thank you. --- - Prasad