Feature negotiation should be done first, since some fields in the
config area can depend on the negotiated features and thus should
rather be read afterwards.
Signed-off-by: Thomas Huth <th...@redhat.com>
---
pc-bios/s390-ccw/virtio.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/pc-bios/s390-ccw/virtio.c b/pc-bios/s390-ccw/virtio.c
index 4e85a2eb82..0e92e994df 100644
--- a/pc-bios/s390-ccw/virtio.c
+++ b/pc-bios/s390-ccw/virtio.c
@@ -262,10 +262,6 @@ void virtio_setup_ccw(VDev *vdev)
rc = run_ccw(vdev, CCW_CMD_WRITE_STATUS, &status, sizeof(status), false);
IPL_assert(rc == 0, "Could not write DRIVER status to host");
- IPL_assert(
- run_ccw(vdev, CCW_CMD_READ_CONF, &vdev->config, cfg_size, false) == 0,
- "Could not get block device configuration");
-
/* Feature negotiation */
for (i = 0; i < ARRAY_SIZE(vdev->guest_features); i++) {
feats.features = 0;
@@ -278,6 +274,9 @@ void virtio_setup_ccw(VDev *vdev)
IPL_assert(rc == 0, "Could not set features bits");
}
+ rc = run_ccw(vdev, CCW_CMD_READ_CONF, &vdev->config, cfg_size, false);
+ IPL_assert(rc == 0, "Could not get block device configuration");
+
for (i = 0; i < vdev->nr_vqs; i++) {
VqInfo info = {
.queue = (unsigned long long) ring_area + (i * VIRTIO_RING_SIZE),
--
2.31.1
