vDPA/ifcvf: a vendor driver should not set _CONFIG_S_FAILED

VIRTIO_CONFIG_S_FAILED indicates the guest driver has given up
the device due to fatal errors. So it is the guest decision,
the vendor driver should not set this status to the device.

Signed-off-by: Zhu Lingshan <lingshan.zhu@intel.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20230526145254.39537-6-lingshan.zhu@intel.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c b/drivers/vdpa/ifcvf/ifcvf_main.c
index 5b71562..6e47ac2 100644 (file)
--- a/drivers/vdpa/ifcvf/ifcvf_main.c
+++ b/drivers/vdpa/ifcvf/ifcvf_main.c
@@ -426,9 +426,7 @@ static void ifcvf_vdpa_set_status(struct vdpa_device *vdpa_dev, u8 status)
            !(status_old & VIRTIO_CONFIG_S_DRIVER_OK)) {
                ret = ifcvf_request_irq(vf);
                if (ret) {
-                       status = ifcvf_get_status(vf);
-                       status |= VIRTIO_CONFIG_S_FAILED;
-                       ifcvf_set_status(vf, status);
+                       IFCVF_ERR(vf->pdev, "failed to request irq with error %d\n", ret);
                        return;
                }
        }